Updated on 2022/03/29

写真a

 
IIZUKA Satoru
 
Organization
Graduate School of Environmental Studies Department of Environmental Engineering and Architecture Environmental and Safety Management Professor
Graduate School
Graduate School of Environmental Studies
Undergraduate School
School of Engineering Architecture
Title
Professor
Contact information
メールアドレス

Degree 3

  1. Doctor of Philosophy in Engineering ( 2000.3   The University of Tokyo ) 

  2. Master of Engineering ( 1997.3   The University of Tokyo ) 

  3. 学士(建築学) ( 1994.3   早稲田大学 ) 

Research Interests 6

  1. Thermal Environment

  2. Air Quality

  3. Urban Environment

  4. Outdoor Environment

  5. Indoor Environment

  6. Computational Fluid Dynamics

Research Areas 3

  1. Others / Others  / Architectural Environment/Equipment

  2. Others / Others  / Environmental Dynamic Analysis

  3. Others / Others  / Fluidics

Current Research Project and SDGs 3

  1. Simulations on Urban Weather and Climate

  2. Simulations on Thermal and Wind Environments in City-blocks / around Buildings

  3. Simulations on Indoor Thermal and Airflow Environments

Research History 2

  1. National Institute of Advanced Industrial Science and Technology / Researcher   Researcher

    2001.4 - 2008.3

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    Country:Japan

  2. National Institute for Resources and Environment / Researcher   Researcher

    2000.4 - 2001.3

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    Country:Japan

Education 3

  1. The University of Tokyo   Graduate School, Division of Engineering   Department of Architecture

    1997.4 - 2000.3

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    Country: Japan

  2. The University of Tokyo   Graduate School, Division of Engineering   Department of Architecture

    1995.4 - 1997.3

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    Country: Japan

  3. Waseda University   Faculty of Science and Engineering   Department of Architecture

    1990.4 - 1994.3

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    Country: Japan

Professional Memberships 2

  1. Architectural Institute of Japan

  2. 空気調和・衛生工学会

Committee Memberships 41

  1. 日本建築学会 日本建築学会賞選考委員会論文部会   専門委員  

    2020.10   

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    Committee type:Academic society

  2. 日本建築学会 日本建築学会賞選考委員会技術部会   委員  

    2020.6   

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    Committee type:Academic society

  3. ISO TC163/SC2/WG16   expert  

    2020.5   

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    Committee type:Other

  4. 日本建築学会 環境工学委員会 空気環境運営委員会   委員  

    2019.6   

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    Committee type:Academic society

  5. 日本建築学会 地球環境委員会 適応都市検討小委員会   主査  

    2019.4   

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    Committee type:Academic society

  6. 日本建築学会 地球環境本委員会   委員  

    2019.4   

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    Committee type:Academic society

  7. 日本建築学会 日本建築学会賞選考委員会論文部会   専門委員  

    2018.11 - 2019.3   

  8. 国立研究開発法人科学技術振興機構(JST)研究開発戦略センター 研究開発の俯瞰報告書   原稿作成協力者  

    2018.7 - 2018.11   

  9. 日本建築学会 日本建築学会奨励賞選考委員会   委員  

    2018.6 - 2019.5   

  10. 日本建築学会 日本建築学会賞選考委員会論文部会   専門委員  

    2017.11 - 2018.3   

  11. 日本建築学会 日本建築学会奨励賞選考委員会   幹事  

    2017.6 - 2018.5   

  12. 日本建築学会 日本建築学会賞選考委員会論文部会   専門委員  

    2016.11 - 2017.3   

  13. 日本建築学会 技術報告集委員会   部門幹事  

    2016.6 - 2018.5   

  14. 日本建築学会 環境工学委員会 空気環境運営委員会 屋外空気環境小委員会 検証用ベンチマーク実施WG   委員  

    2016.4   

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    Committee type:Academic society

  15. The Fifth International Conference on Human-Environment System(ICHES2016)組織委員会   委員  

    2015.5 - 2017.3   

  16. The Fifth International Conference on Human-Environment System(ICHES2016)プログラム委員会   幹事  

    2015.5 - 2017.3   

  17. 日本建築学会 地球環境委員会 適応都市検討小委員会   幹事  

    2015.4 - 2019.3   

  18. 日本建築学会 地球環境委員会 適応都市検討小委員会 気候変動モデリングWG   主査  

    2015.4 - 2019.3   

  19. 科学技術交流財団 空力応用技術の活用分野拡大と風洞施設利用研究会   委員  

    2015.4 - 2017.3   

  20. The 2nd Asia Conference of International Building Performance Simulation Association(ASim2014)組織委員会   委員  

    2014.1 - 2014.11   

  21. The 2nd Asia Conference of International Building Performance Simulation Association(ASim2014)プログラム委員会   委員  

    2014.1 - 2014.11   

  22. 国際建物シミュレーション協会日本支部   副会長  

    2013.11   

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    Committee type:Academic society

  23. 愛知学院大学名城公園キャンパス低炭素化推進プロジェクトWG3   主査  

    2013.11 - 2017.3   

  24. 日本風工学会 都市の風影響評価研究会   委員  

    2013.4   

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    Committee type:Academic society

  25. IEA EBC Annex59   メンバー  

    2012.4 - 2015.10   

  26. 日本建築学会 地球環境委員会 都市と気候適応小委員会 GCMを活用した近未来標準気象データ作成WG   委員  

    2012.4 - 2015.3   

  27. 2012年度日本建築学会大会(東海)実行委員会   委員  

    2011.7 - 2012.9   

  28. 日本建築学会 企画刊行運営委員会   幹事  

    2011.4 - 2015.3   

  29. 日本建築学会 企画刊行運営委員会 建築学会環境基準作成小委員会   幹事  

    2011.4 - 2015.3   

  30. 日本流体力学会 中部支部   役員  

    2010.4 - 2011.3   

  31. 日本建築学会 環境工学本委員会   幹事  

    2009.4 - 2011.3   

  32. 日本風工学会 風工学用語研究会   委員  

    2008.4 - 2010.3   

  33. 大気環境学会 関東支部 予測・計画・評価部会 CFDモデル環境アセス適用性研究会   委員  

    2006.11 - 2012.3   

  34. 日本流体力学会 年会2007実行委員会   幹事  

    2006.11 - 2007.8   

  35. 日本建築学会 空気環境運営委員会 屋外空気環境の予測・評価小委員会 市街地の通風・拡散予測WG   幹事  

    2006.4 - 2008.3   

  36. 日本流体力学会 学会誌「ながれ」編集委員会   委員  

    2006.1 - 2008.12   

  37. ヒートアイランド対策国際ワークショップ国内幹事会   副幹事  

    2005.11 - 2006.8   

  38. 日本建築学会 環境工学委員会 空気環境運営委員会 屋外空気環境小委員会   委員  

    2005.6   

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    Committee type:Academic society

  39. 土木学会 応用力学委員会 計算力学小委員会   委員  

    2005.6 - 2016.3   

  40. 日本流体力学会 第19回数値流体力学シンポジウム実行委員会   委員  

    2005.5 - 2005.12   

  41. 日本風工学会 広域風環境研究会   幹事  

    2002.4 - 2006.3   

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Awards 4

  1. The Prize of AIJ 2016

    2016.5   Architectural Institute of Japan  

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    Country:Japan

  2. 一般社団法人建築設備技術者協会 第6回カーボンニュートラル賞

    2018.6   一般社団法人建築設備技術者協会   愛知学院大学名城公園キャンパスにおける次世代型エコキャンパスのロールモデル構築

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    Country:Japan

  3. 空気調和・衛生工学会 第31回振興賞技術振興賞

    2017.6   空気調和・衛生工学会  

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    Country:Japan

  4. 空気調和・衛生工学会 第28回振興賞技術振興賞

    2014.6   空気調和・衛生工学会  

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    Country:Japan

 

Papers 114

  1. 日本はどこまで暑くなるのか。そのとき、建築や都市はどうあるべきか。 Invited

    飯塚悟

    建築雑誌     page: 3 - 6   2021.5

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    Authorship:Lead author, Corresponding author   Language:Japanese  

  2. Environmental impact assessment of introducing compact city models by downscaling simulations Reviewed

    Iizuka, S., Xuan, Y., Takatori, C., Nakaura, H., Hashizume, A.

    Sustainable Cities and Society   Vol. 63   2020.12

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.scs.2020.102424

    Web of Science

  3. Development of Hybrid-Vehicle Energy-Consumption Model for Transportation Applications-Part I: Driving-Power Equation Development and Coefficient Calibration Reviewed

    Pitanuwat, S., Aoki, H., Iizuka, S., Morikawa, T.

    Energies   Vol. 13 ( 2 )   2020.1

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    Language:English  

    DOI: 10.3390/en13020476

    Web of Science

  4. Development of hybrid vehicle energy consumption model for transportation applications, Part II: Traction force-speed based energy consumption modeling Reviewed

    Pitanuwat, S., Aoki, H., Iizuka, S., Morikawa, T.

    World Electric Vehicle Journal   Vol. 10 ( 2 )   2019.6

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    Language:English   Publishing type:Research paper (scientific journal)  

  5. Adaptation measures of the existing residential buildings in Hanoi to counteract the effects of future urban warming Reviewed

    Andhang, R. T., Sumida, K., Kubota, T., Lee, H. S., Iizuka, S.

    Proceedings of PLEA 2018     page: 1-2   2018.12

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    Language:English  

  6. Future environmental assessment and urban planning by downscaling simulations Invited Reviewed

    Iizuka, S.

    Journal of Wind Engineering and Industrial Aerodynamics   Vol. 181   page: 69 - 78   2018.10

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jweia.2018.08.015

    Web of Science

  7. Development of traction force-speed based fuel consumption prediction model for hybrid vehicles Reviewed

    Pitanuwat, S., Aoki, H., Iizuka, S., Morikawa, T.

    Proceedings of the 31st International Electric Vehicles Symposium & Exhibition (EVS 31) and International Electric Vehicle Technology Conference 2018 (EVTeC 2018)     2018.10

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    Language:English  

  8. 将来の温暖化対応を軸としたまちづくり・都市づくりの提案と課題 Invited

    飯塚悟

    環境工学研究   Vol. 335   page: 7 - 13   2018.9

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    Authorship:Lead author, Corresponding author   Language:Japanese  

  9. Modification techniques for residential buildings to adapt to future urban warming in growing cities of Southeast Asia: A case study in Hanoi City Reviewed

    Andhang, R. T., Sumida, K., Kubota, T., Lee, H. S., Iizuka, S.

    Proceedings of the International Workshop on Wind-Related Disasters and Mitigation (WRDM)     page: 1-7   2018.3

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  10. Future environmental assessment and urban planning by downscaling simulations Invited Reviewed

    Iizuka, S.

    Proceedings of the International Workshop on Wind-Related Disasters and Mitigation (WRDM)     page: 1-13   2018.3

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    Authorship:Lead author   Language:English  

  11. Adaptation Measures of the Existing Residential Buildings in Hanoi to Counteract the Effects of Future Urban Warming

    Trihamdani Andhang R., Sumida Kento, Kubota Tetsu, Lee Han Soo, Iizuka Satoru

    SMART AND HEALTHY WITHIN THE TWO-DEGREE LIMIT (PLEA 2018), VOL 3     page: 956 - 958   2018

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  12. Impacts of land use changes from the Hanoi Master Plan 2030 on urban heat islands: Part 2. Influence of global warming Reviewed

    Lee, H. S., Trihamdani, A. R., Kubota, T., Iizuka, S., Phuong, T. T. T.

    Sustainable Cities and Society   Vol. 31   page: 95-108   2017.5

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    Hanoi City, Vietnam, presented the Hanoi Master Plan 2030 in 2011 to cope with rapid population growth and urbanisation. The main objective of this two-part study was to investigate the impacts of land use changes brought by the master plan on urban heat islands in Hanoi by 2030. This paper analyses the contributions of land use changes and global warming to the future increase in urban temperatures in Hanoi by the 2030s. Firstly, numerical simulations using Weather Research and Forecasting (WRF) were conducted for the present land use as well as the land use condition of the master plan under the same weather conditions to detect only the impact of land use changes. Secondly, WRF simulations were conducted for the land use condition of the master plan under the influence of global warming in the 2030s utilising the climate data projected by a Global Climate Model (GCM), Model for Interdisciplinary Research on Climate Version 5 (MIROC5), via a direct dynamical downscaling method. In the 2030s, the average air temperature increase in existing urban areas was projected to be up to 2.1 °C, of which up to 1.5 and 0.6 °C are attributable to global warming and land use changes, respectively.

    DOI: 10.1016/j.scs.2017.02.015

  13. 自然通風の積極的な利用に向けたシミュレーション検討 Invited

    飯塚悟

    伝熱   Vol. 56 ( 235 ) page: 3-8   2017.4

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    Authorship:Lead author   Language:Japanese  

  14. Impact assessment of the introduction of a city master plan for Vinh city, Vietnam on future thermal environment in the urban districts Reviewed

    Ito, T., Iizuka, S., Xuan, Y., Miyata, M., Watanabe, K.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 82 ( 733 ) page: 265-272   2017.3

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    In this study, future projections of the thermal environment in the urban districts in Vinh city, Vietnam were performed by a regional atmospheric model, the Weather Research and Forecasting (WRF) model, combined with a pseudo global warming method. The target period was a month of June (hottest month) in the 2030s. A city master plan for the city which targets the year of 2030 with a population of 900,000 and covers an area of approximately 250 km2 was introduced in the future projections, and the impact of the introduction of the proposed plan on the future thermal environment (air temperature and heat stress index) in the urban districts was assessed. Moreover, two modified city master plans by changing the arrangement (northern or southern concentration) of the new urban districts were introduced, and the effects of the modifications on the future thermal environment in the urban districts were also investigated.

    DOI: 10.3130/aije.82.265

  15. 建築・都市環境工学分野における温暖化ダウンスケーリングシミュレーションの応用 Invited

    飯塚悟

    ながれ   Vol. 36 ( 1 ) page: 19-24   2017.2

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    Authorship:Lead author   Language:Japanese  

  16. A numerical investigation on active use of natural ventilation based on a coupled analysis of CFD and human thermal model Reviewed

    Matsui, N., Iizuka, S., Xuan, Y., Sakoi, T., Saito, T., Kuno, S.

    Proceedings of the Fifth International Conference on Human-Environment System (ICHES2016 Nagoya)     page: 1-10   2016.11

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    In this study, we focused on natural ventilation in a model house and its effects on the indoor airflow and thermal environments and human thermophysiological responses. Natural ventilation is one of the passive energy saving techniques to achieve low-energy and zero-energy houses. However, it is not always useful because of inappropriate (too low or too fast) airflow or high inflow temperature which makes people feel discomfort. The aim of the present and future studies is to quantitatively investigate the maximum availability of natural ventilation from the viewpoints of indoor airflow and thermal environments and human thermophysiological responses using a coupled analysis of computational fluid dynamics (CFD) model and human thermal model. We tested twelve cases by giving different conditions of the incoming flow (Temporal velocity pattern: 0.0-2.0 m/s, 0.8-1.2 m/s, and 1.0 m/s (constant) with 20° inflow angle; Temperature: 28 °C, 30 °C, 32 °C, and 34 °C) for natural ventilation in a model house. In the cases with the same inflow temperature, instantaneous skin temperature and heat losses of a human body change according to the inflow velocity patterns; however, their time-averaged values are almost the same because the time-averaged inflow velocities in the three velocity patterns are equal (1.0 m/s). Finally, the maximum availability of the natural ventilation is quantitatively discussed by adopting a finding from a subjective experiment under natural ventilation in a model house conducted by Saito et al. (2014). The subjective experiment indicates that the skin temperature (averaged over selected certain segments) without feeling discomfort is 34.5 °C or less. Judging from the experimental finding, the inflow temperature for the natural ventilation targeted in this study can be allowed up to 32.6 °C.

  17. A field study on the thermal environment in passage spaces at two train stations in summer Reviewed

    Aiba, C., Saito, T., Iizuka, S., Xuan, Y., Kumano, M.

    Proceedings of the Fifth International Conference on Human-Environment System (ICHES2016 Nagoya)     page: 1-9   2016.10

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  18. Development of a seamless merging method of mesoscale/regional meteorological models and engineering LES models (Part 2) A proposal of imposing the continuity condition on artificially generated inflow turbulence for LES and its application for the analysis of a plane boundary layer flow Reviewed

    Iizuka, S., Xuan, Y.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 81 ( 727 ) page: 811-817   2016.9

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    The generation of appropriate velocity fluctuations at the inflow boundary (inflow turbulence) for large eddy simulation (LES) is a critical and challenging issue, particularly when coupling mesoscale/regional meteorological models and engineering LES models. The authors have previously tested an artificial generation method of inflow turbulence based on the Cholesky decomposition of the Reynolds stresses in the LES analysis of a plane boundary layer flow. However, the well-generated inflow turbulence was rapidly and unphysically attenuated when it flowed downstream. We concluded that this was mainly caused by the dissatisfaction of the governing equations, i.e., continuity and momentum equations. In this study, an approach to imposing the continuity condition on the artificially generated inflow turbulence was proposed and, in the LES analysis of a plane boundary layer flow, its effects were examined by comparing the results with those without the continuity condition and using periodic inlet-outlet boundary condition. As a result, the attenuation of the turbulent kinetic energy near the inflow boundary was slightly improved by imposing the continuity condition on the artificially generated inflow turbulence.

    DOI: 10.3130/aije.81.811

  19. Impacts of disaster mitigation/prevention urban structure models on future urban thermal environment Reviewed

    Iizuka, S., Xuan, Y., Kondo, Y.

    Sustainable Cities and Society   Vol. 19   page: 414-420   2015.12

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    The possibility of a huge earthquake and the following disasters, such as tsunami and ground liquefaction, in the near future has been pointed out in the third largest metropolitan area (Nagoya metropolitan area) in Japan. In the region including the Nagoya metropolitan area, a huge earthquake of magnitude 8 class has occurred every 100-150 years. The last huge earthquake in the region happened in 1944. Therefore, the viewpoint of disaster mitigation/prevention against an expected huge earthquake is crucial for future urban planning in the Nagoya metropolitan area. On the other hand, the population in the Nagoya metropolitan area is expected to decrease in the future. Such a decrease in population usually leads to a reduction of the urban area. In this study, three disaster mitigation/prevention urban structure models were designed for future urban planning of the 2050s (the target period in which about 100 years will have passed since the last huge earthquake) in the Nagoya metropolitan area considering a reduction in the urban area according to a projected decrease in population. Subsequently, the impacts of the introduction of the three disaster mitigation/prevention models, i.e., (1) a tsunami damage mitigation/prevention model, (2) a strong motion damage mitigation/prevention model, and (3) a ground liquefaction damage mitigation/prevention model, on the future (the 2050s) thermal environment were quantitatively investigated using a regional atmospheric model, the Weather Research and Forecasting (WRF) model. Moreover, an urban structure model that combined the three disaster mitigation/prevention models was constructed, and the effect of the combined model on the future thermal environment was also evaluated.

    DOI: 10.1016/j.scs.2015.06.008

  20. 地球温暖化研究の概要 Invited

    飯塚悟

    日本風工学会誌   Vol. 40 ( 4 ) page: 375-379   2015.10

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    Authorship:Lead author   Language:Japanese  

  21. Future projection of electricity demand and thermal comfort for august in Nagoya city by WRF-CM-BEM Reviewed

    Takane, Y., Aoki, S., Kikegawa, Y., Yamakawa, Y., Hara, M., Kondo, H., Iizuka, S.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 80 ( 716 ) page: 973-983   2015.10

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    Extreme high temperature events occur frequently in Nagoya city of Japan, and have been of great concern recently because they bring risks to the energy supply, public health, and more. In this study, changes in electricity demand and thermal comfort in Nagoya city with future climate change were projected by WRF-CM-BEM which coupled a multi-layer urban canopy model CM, and a building energy model BEM in a regional climate model WRF. The results showed that summer time daily mean electric demand and human thermal comfort (SET*) in Nagoya city were projected to increase by about +4.9 W/floor m2 and 2.8 ºC in the 2070s, respectively. However, sensitivity experiments indicated that urban greening adaptation strategy have the potential to reduce by 33% and 10% of above projected values, respectively. In comparison with urban greening, anthropogenic heat reduction strategy was estimated to have smaller influence to improve future electric demand and human thermal comfort in Nagoya city.

    DOI: 10.3130/aije.80.973

  22. Study on energy simulation coupling with CFD for HVAC system (Part 3) A proposal of operation scheme for a multi-split air-conditioning system during a power-saving period in summer Reviewed

    Matsunaga, H., Iizuka, S., Yoon, G., Okumiya, M., Niwa, H.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 80 ( 715 ) page: 775-783   2015.9

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    In this study, a coupled analysis of computational fluid dynamics (CFD) and heating, ventilation, and air-conditioning (HVAC) system simulations was applied to a multi-split air-conditioning system in the operation phase during a power-saving period in summer. Two different forced operation schemes for the indoor units, i.e., a regular rotation control and a lowest reference temperature control for switching cooling and fan modes, were designed, and the effects of the two operation schemes on the indoor thermal environment were investigated. When the reference temperature points for the indoor units were located at a height of the occupied zone, the lowest reference temperature control was better than the regular rotation control from the viewpoint of creating a more uniform thermal environment in the occupied zone.

    DOI: 10.3130/aije.80.775

  23. 名古屋都市圏の将来暑熱環境への適応 Invited

    飯塚悟

    生活と環境   Vol. 60 ( 7 ) page: 45-49   2015.7

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    Authorship:Lead author   Language:Japanese  

  24. Impacts of a future city master plan on thermal and wind environments in Vinh city Reviewed

    Iizuka, S., Ito, T., Miyata, M.

    Proceedings of the 9th International Conference on Urban Climate (ICUC8) jointly with the 12th Symposium on the Urban Environment     page: 1-4   2015.7

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    In this study, future projections of the thermal and wind environments in June (hottest month) of the 2030s in Vinh city were performed by introducing a city master plan proposed by Nikken Sekkei Civil Engineering Ltd. The projections were carried out using a regional atmospheric model, the Weather Research and Forecasting (WRF) model (Skamarock et al. 2008), combined with the pseudo global warming method proposed by Kimura and Kitoh (2007). By comparing with the present land use case, the effects of introducing the city master plan on the future thermal and wind environments in Vinh city were quantitatively investigated. Additional cases with the change in urban structure (northern or southern concentration of the new urban districts) were conducted, and the effects of the modifications of the city master plan on the future thermal and wind environments were also studied.

  25. Development of urban meteorological LES model for thermal environment at city scale Reviewed

    Ikeda, R., Kusaka, H., Iizuka, S., Boku, T., Takahashi, K.

    Proceedings of the 9th International Conference on Urban Climate (ICUC8) jointly with the 12th Symposium on the Urban Environment     page: 1-5   2015.7

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  26. A numerical investigation for city block design by utilizing vertical ventilation paths (Part 2) Estimation of the effects of vertical geometric parameters of buildings on the thermal and wind environments in city blocks Reviewed

    Hashimoto, K., Iizuka, S., Xuan, Y.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 80 ( 711 ) page: 415-424   2015.5

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    In this study, the effects of introducing vertical ventilation paths on the thermal and wind environments in city blocks were investigated using computational fluid dynamics (CFD) simulations. In particular, the effects of two vertical geometric parameters of the buildings, i.e., the average height of the buildings and the standard deviation of the building heights, in the windward region on the pedestrian thermal and wind environments in both the windward and leeward regions were quantitatively evaluated. In the windward region, the standard deviation of the building heights in the region was more effective for improving the pedestrian thermal environment. On the other hand, the average height of the buildings in the windward region affected the pedestrian thermal environment in the leeward region more than did the standard deviation of the building heights in the windward region. Furthermore, the correlations between the space-averaged air temperature and wind velocity at the pedestrian level were different in the windward and leeward regions. In the windward region, the correlation became negative, while a positive correlation was observed in the leeward region.

    DOI: 10.3130/aije.80.415

  27. A numerical analysis of indoor thermal environment and human thermophysiological responses under natural ventilation Reviewed

    Iizuka, S., Sakoi, T., Saito, T., Kuno, S.

    Proceedings of the 2st Asia Conference of International Building Performance Simulation Association (ASim2014)     page: 1-8   2014.11

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  28. A numerical investigation on the effect of operation control of a multi-split air-conditioning system on indoor thermal environment Reviewed

    Matsunaga, H., Iizuka, S., Okumiya, M., Yoon, G., Niwa, H.

    Proceedings of the 2st Asia Conference of International Building Performance Simulation Association (ASim2014)     page: 1-8   2014.11

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  29. Impact assessment of urbanization on the urban thermal and wind environments Reviewed

    Miyata, M., Watanabe, K., Iizuka, S.

    The International Symposium on City Planning 2014 Abstracts     page: 1-11   2014.11

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  30. Impacts of disaster-mitigation/prevention type urban structure models Reviewed

    Iizuka, S., Xuan, Y., Kondo, Y.

    Proceedings of the Third International Conference on Countermeasures to Urban Heat Island     page: 1-9   2014.10

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  31. Numerical study on thermal environment in the Nagoya metropolitan area by using WRF (Part 5) Introduction of disaster-mitigation/prevention type urban structure models and their impacts on thermal environment Reviewed

    Iizuka, S., Kondo, Y., Xuan, Y.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 79 ( 704 ) page: 883-889   2014.10

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    In this study, future projections of the thermal environment in the summer of the 2050s in the Nagoya metropolitan area were carried out by using a regional atmospheric model, Weather Research and Forecasting (WRF). Three disaster-mitigation/prevention type urban structure models were introduced for the future projections. A tsunami-damage mitigation/prevention model, a strong-motion damage mitigation/prevention model, and a liquefaction-damage mitigation/prevention model were designed as the future urban structure models considering a reduction of the urban area according to a projected decrease in population. By comparing with the results obtained from the present land-use model, their impacts on the future thermal environment were quantitatively investigated.

  32. Urban climate projections using future urban planning/structure scenarios

    Iizuka, S., Xuan, Y.

    Proceedings of the 7th Japanese-German Meeting on Urban Climatology     page: 1-6   2014.10

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  33. Numerical investigation on different operation controls of a multi-split air-conditioning system during a power-saving period Reviewed

    Matsunaga, H., Iizuka, S., Okumiya, M., Yoon, G., Niwa, H., Xuan, Y.

    Proceedings of the 13th International Conference on Indoor Air Quality and Climate (Indoor Air 2014)     page: 1-8   2014.7

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  34. Effects of introducing electric vehicles on the urban thermal environment in the summer and winter seasons of the 2050s Reviewed

    Shibata, S., Iizuka, S., Xuan, Y., Kondo, Y.

    Proceedings of International Symposium on Computational Wind Engineering (CWE2014)     page: 1-8   2014.6

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  35. A numerical investigation on the impacts of future urban planning/structure on thermal environment Reviewed

    Iizuka, S., Xuan, Y., Kondo, Y.

    Proceedings of International Symposium on Computational Wind Engineering (CWE2014)     page: 1-6   2014.6

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  36. Effects of imposing the continuity condition on artificially generated inflow turbulence for LES Reviewed

    Xuan, Y., Iizuka, S.

    Proceedings of International Symposium on Computational Wind Engineering (CWE2014)     page: 1-8   2014.6

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  37. Effects of anthropogenic heat release locations on thermal environment in city blocks Reviewed

    Hashimoto, K., Iizuka, S., Xuan, Y., Okumiya, M.

    Proceedings of International Symposium on Computational Wind Engineering (CWE2014)     page: 1-6   2014.6

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  38. 都市環境学のoverview-都市気象・気候研究における理工学融合に向けて- Invited Reviewed

    飯塚悟

    天気   Vol. 61 ( 5 ) page: 338-342   2014.5

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  39. Association between sleep and residential environments in the summertime in Japan Reviewed

    Kayaba, M., Ihara, T., Kusaka, H., Iizuka, S., Miyamoto, K., Honda, Y.

    Sleep Medicine   Vol. 15 ( 5 ) page: 556-564   2014.5

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  40. Numerical study on thermal environment in the Nagoya metropolitan area by using WRF (Part 4) Impacts of future urban planning/structure on thermal environment Reviewed

    Kondo, Y., Iizuka, S.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 78 ( 694 ) page: 957-963   2013.12

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    In this study, we carried out future projections of the thermal environment in the summer of the 2050s in the Nagoya metropolitan area by introducing scenarios of urban planning/structure in addition to the effect of future global warming, and we investigated the impacts of future urban planning/structure on the thermal environment. Here, three urban planning/structure models (centralized and decentralized models, and a plan to avoid tsunami damage) were introduced. Furthermore, for the future urban planning/structure models, we considered the reduction of urban areas due to the predicted decrease in population, and investigated the change of the thermal environment with the reduction of urban areas.

  41. 4D-GISを用いた地区統合環境性能評価モデルの構築 Reviewed

    森田紘圭, 杉本賢二, 加藤博和, 村山顕人, 飯塚悟, 柴原尚希, 林良嗣

    土木学会論文集D3(土木計画学)   Vol. 69 ( 5 ) page: 297-308   2013.12

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  42. Large-eddy simulation of the turbulent boundary layer using generated inflow turbulence with estimated statistics Reviewed

    Kikumoto, H., Ooka, R., Iizuka, S.

    Proceedings of the Eighth Asia-Pacific Conference on Wind Engineering (APCWE8)     page: 1-9   2013.12

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  43. A numerical investigation of the effects of vertical geometric parameters of buildings on thermal and wind environments in city blocks Reviewed

    Iizuka, S., Hashimoto, K., Xuan, Y.

    Proceedings of the Eighth Asia-Pacific Conference on Wind Engineering (APCWE8)     page: 1-7   2013.12

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  44. CMIP3-GCMからの力学的ダウンスケール実験と問題比較型影響評価手法による健康影響評価:2070年代8月を対象とした東京・名古屋・大阪における熱中症および睡眠困難の将来予測 Reviewed

    日下博幸, 飯島奈津美, 井原智彦, 原政之, 髙根雄也, 飯塚悟

    日本建築学会環境系論文集   Vol. 78 ( 693 ) page: 873-881   2013.11

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  45. Environmental performance evaluation of district using 4D-GIS Reviewed

    Morita, H., Sugimoto, K., Kato, H., Murayama, A., Iizuka, S., Shibahara, N., Hayashi, Y.

    Conference papers of 13th International Conference on Computers in Urban Planning and Urban Management (CUPUM 2013)     page: 1-21   2013.7

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  46. A numerical investigation for city block design by utilizing vertical ventilation paths (Part 1) Assessment of the effects of introducing vertical ventilation paths on thermal and wind environments in the windward and leeward regions of city blocks Reviewed

    Kato, T., Iizuka, S.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 78 ( 689 ) page: 569-577   2013.7

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    Recently, vertical ventilation paths are receiving considerable attention as promising countermeasures to hot environment in summer. Vertical ventilation paths channel cooler upper winds into city blocks by using vertical turbulent diffusion enhanced by the vertical heterogeneity of building shapes. However, their effectiveness is limited because the temperature of the flow gradually becomes higher and the momentum of the flow for vertical ventilation paths gradually decreases. In this study, we investigated the effects of introducing vertical ventilation paths in city blocks by using CFD simulations. We examined the effects of the vertical heterogeneity of building shapes in the windward region on the thermal and wind environments in both the windward and leeward regions based on a heat balance analysis, space-averaged temperatures, and a proposed evaluation method using the turbulent kinetic energy profile.

  47. Cross comparisons of CFD results of wind and dispersion fields for MUST experiment: Evaluation exercises by AIJ Reviewed

    Tominaga, Y., Iizuka, S., Imano, M., Kataoka, H., Mochida, A., Nozu, T., Ono, Y., Shirasawa, T., Tsuchiya, N., Yoshie, R.

    Journal of Asian Architecture and Building Engineering   Vol. 12 ( 1 ) page: 117-124   2013.5

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    In order to apply Computational Fluid Dynamics (CFD) techniques to estimate pollutant dispersion in urban areas, it is important to assess the performance of numerical models used to estimate these phenomena. Recently, the MUST (Mock Urban Setting Test) has often been adopted as a test case for evaluating numerical models for micro-scale urban meteorology. This paper presents the results of model evaluation exercises carried out using MUST based on the Architectural Institute of Japan (AIJ) experience. The results of model evaluation exercises conducted by AIJ are broadly consistent with the results obtained by the COST group. However, the variety of results by each computation can be minimized by setting standard computational conditions. All computations including both RANS and LES show good agreement with wind experiment data. In general, LES cases show comparable accuracy to RANS in predicting U and W. However, LES shows better agreement than RANS in TKE and concentration.

  48. Observational study and numerical prediction experiments on wet-bulb globe temperature in Tajimi, Gifu prefecture: Consideration of uncertainty with a physics parameterization scheme and horizontal resolution of the weather research and forecasting model Reviewed

    Takane, Y., Kusaka, H., Takaki, M., Okada, M., Abe, S., Nagai, T., Fuji, Y., Iizuka, S.

    Geographical Review of Japan   Vol. 86 ( 1 ) page: 14-37   2013.1

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  49. A coupled analysis of CFD and HVAC system simulations for a multi-split air-conditioning system in the operation phase Reviewed

    Sasaki, M., Iizuka, S., Yoon, G., Niwa, H., Okumiya, M.

    Proceedings of the 1st Asia Conference of International Building Performance Simulation Association (ASim2012)     page: 1-8   2012.11

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  50. A sensitivity analysis on mixing energy loss in air-conditioned rooms by using CFD Reviewed

    Iizuka, S., Shiba, S., Sasaki, M., Okumiya, M.

    Proceedings of the 1st Asia Conference of International Building Performance Simulation Association (ASim2012)     page: 1-8   2012.11

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  51. A sensitivity analysis of the factors in high temperatures in Tajimi by using WRF Reviewed

    Ito, S., Iizuka, S., Kuroki, M.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 77 ( 680 ) page: 779-787   2012.10

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    Tajimi, a city located in Gifu Prefecture, experienced the record high temperature in Japan (40.9 °C) on August 16, 2007. The problems associated with high temperatures in summer are very serious in the city. It is considered that various factors such as topographic basin effect and heat island around Nagoya affect high temperatures in Tajimi. However, each contribution of those factors is not clear enough. In this study, a sensitivity analysis of the factors in high temperatures in Tajimi for recent five years was conducted by using a regional atmospheric model, WRF (Weather Research and Forecasting). Here, we investigated the effects of urban heat islands in Tajimi and Nagoya and topographical effects on the thermal environment in Tajimi.

  52. Development of a seamless merging method of mesoscale/regional meteorological models and engineering LES models (Part 1) An investigation of artificial generation methods of inflow turbulence for LES based on the Cholesky decomposition of Reynolds stresses Reviewed

    Kondo, A., Iizuka, S.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 77 ( 678 ) page: 661-669   2012.8

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    For merging of mesoscale/regional meteorological models and engineering large-eddy simulation (LES) models seamlessly, to generate appropriate velocity fluctuations at the inflow boundary (inflow turbulence) for engineering LES models is a very essential issue. In this study, we introduced three artificial generation methods of inflow turbulence based on the Cholesky decomposition of Reynolds stresses in the LES analysis of a plane boundary layer flow, and assessed the performance of those methods by comparing their results with those from a LES computation with periodic inlet-outlet conditions. In particular, we investigated the effects of space and/or time correlations of the generated inflow turbulence on the downstream turbulence characteristics.

  53. Numerical study on thermal environment in the Nagoya metropolitan area by using WRF (Part 3) Comparison of future projections of thermal and wind environments in the Nagoya metropolitan area in the summers of the 2030s, the 2050s, the 2070s, and the 2090s based on two IPCC SRES scenarios Reviewed

    Kuroki, M., Iizuka, S., Ito, S., Kusaka, H., Hara, M.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 77 ( 678 ) page: 689-697   2012.8

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    Future projections of thermal and wind environments in the summers of the 2030s, the 2050s, the 2070s, and the 2090s in the Nagoya metropolitan area were carried out by using a regional atmospheric model, WRF. In the future projections, the pseudo-global warming method proposed by Kimura et al. (2007) was introduced to consider the effects of global warming as background data. Here, we used IPCC SRES A2 and B1 scenarios to represent the effects of future global warming. We also performed a present prediction (2010) and compared the differences between the present and future projections. Furthermore, the differences between the results obtained with IPCC SRES A2 and B1 scenarios were investigated.

  54. Development of parallelized urban meteorological model based on LES model Reviewed

    Ikeda, R., Kusaka, H., Iizuka, S., Boku, T., Akimoto, Y.

    Proceedings of the 8th International Conference on Urban Climate (ICUC8)     page: 1-3   2012.8

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  55. Impacts of future urban planning/structure on thermal environment Reviewed

    Iizuka, S., Kondo, Y., Ito, S., Kusaka, H., Hara, M.

    Proceedings of the 8th International Conference on Urban Climate (ICUC8)     page: 1-4   2012.8

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  56. 未来の風を予測する Invited

    飯塚悟, 近藤由美, 伊藤奨

    日本風工学会誌   Vol. 37 ( 3 ) page: 178-183   2012.7

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  57. Reynolds応力のコレスキー分解に基づく人工的な流入変動風を用いた平板境界層流のLES Invited Reviewed

    近藤亮彦, 飯塚悟, Ndione Jacques

    ながれ   Vol. 31 ( 2 ) page: 125-130   2012.4

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  58. Study on energy simulation coupling with CFD for HVAC system (Part 2) Estimation of mixing energy loss in an air-conditioned room by a coupled analysis of CFD and HVAC system simulations Reviewed

    Kondo, J., Iizuka, S., Yoon, G., Sakai, Y., Sasaki, M., Okumiya, M.

    Journal of Environmental Engineering, Transactions of AIJ   Vol. 77 ( 672 ) page: 81-87   2012.2

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    A coupled analysis of CFD and HVAC system simulations was carried out to assess the mixing energy loss in an air-conditioned office room where heating and cooling operate in the perimeter and interior zones simultaneously. To evaluate the mixing energy loss, we conducted two simulations; one was the case with the airflow mixing between the perimeter and interior zones and the other was the case without the airflow mixing. By comparing the required coil loads between the cases with and without the airflow mixing, the mixing energy loss was estimated. The accuracy of the coupled analysis was assessed by comparing the results with those from an experiment by Ito (1988).

  59. Coupling strategy of HVAC system simulation and CFD, Part 1: Study on the design phase of an under floor air distribution system Reviewed

    Yoon, G., Kondo, J., Sakai, Y., Watanabe, T., Iizuka, S., Okumiya, M.

    Proceedings of Building Simulation 2011: 12th Conference of International Building Performance Simulation Association     page: 1997-2003   2011.11

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  60. Coupling strategy of HVAC system simulation and CFD, Part 2: Study on mixing energy loss in an air-conditioned room Reviewed

    Iizuka, S., Sasaki, M., Yoon, G., Okumiya, M., Kondo, J., Sakai, Y.

    Proceedings of Building Simulation 2011: 12th Conference of International Building Performance Simulation Association     page: 2096-2101   2011.11

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  61. Estimation of the effects of vertical ventilation paths in city blocks based on the analysis of mean kinetic energy balance Reviewed

    Kondo, A., Iizuka, S., Kato, T., Ndione, J.

    Proceedings of the 13th International Conference on Wind Engineering (ICWE13)     page: 1-8   2011.7

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  62. A long-term projection of the thermal environment in the summer of the 2070s in the Nagoya metropolitan area Reviewed

    Iizuka, S., Kato, T., Kinbara, K., Kuroki, M., Ito, S., Ndione, J., Kusaka, H., Hara, M.

    Proceedings of the 13th International Conference on Wind Engineering (ICWE13)     page: 1-8   2011.7

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  63. Cross comparisons of CFD results of wind and dispersion fields for MUST Experiment: Evaluation exercises by AIJ Reviewed

    Tominaga, Y., Iizuka, S., Imano, M., Kataoka, H., Mochida, A., Nozu, T., Ono, Y., Shirasawa, T., Tsuchiya, N., Yoshie, R.

    Proceedings of the 13th International Conference on Wind Engineering (ICWE13)     page: 1-8   2011.7

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  64. Numerical study on thermal environment in the Nagoya metropolitan area by using WRF (Part 2) A long-term projection of a thermal environment in summer of the 2070s Reviewed

      Vol. 76 ( 662 ) page: 425-430   2011.4

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  65. Up-scaling CWE models to include mesoscale meteorological influences Reviewed

    Mochida, A., Iizuka, S., Tominaga, Y., Lun, I. Y. F.

    Journal of Wind Engineering and Industrial Aerodynamics   Vol. 99   page: 187-198   2011.4

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    The current status and remaining issues of coupling CWE models with mesoscale meteorological models (MMM) are reviewed from the view point of computational wind engineers. By way of three examples to demonstrate the typical application areas where the coupling approaches are needed, the governing equations considered, and the difficulties to couple the models despite the different spatial and temporal scales are described. Next, recent attempts of single-model up-scaling of CWE models to meteorological scale wind flow and thermal environment are shown. The need to upgrade existing CWE models for appropriate up-scaling and the issues that require to be solved by the collaboration with meteorologists are pointed out. Finally, the recent achievements attained by other researchers are reviewed and the future directions of CWE studies are discussed. Emphasis is placed on coupling LES with MMM.

  66. Development of local meteorological model based on CFD model

    Ikeda, R., Kusaka, H., Iizuka, S., Boku, T.

    Proceedings of 5th International Symposium on Wind Effects on Buildings and Urban Environment     page: 1-5   2011.3

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  67. Development of a sophisticated downscaling model using feedback parameterizations

    Iizuka, S., Inagaki, A., Ihara, T., Kanda, M., Kusaka, H., Kondo, H., Tsugawa, M., Yoshikane, T.

    Proceedings of 5th International Symposium on Wind Effects on Buildings and Urban Environment     page: 1-3   2011.3

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  68. Study on energy simulation coupling with CFD for HVAC system (Part 1) Case study in design phase for air conditioning using under-floor Reviewed

    Yoon, G., Kondo, J., Sakai, Y., Takeshima, T., Iizuka, S., Watanabe, T., Okumiya, M.

      Vol. 75 ( 658 ) page: 1069-1076   2010.12

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  69. Flow and turbulence near the edge of a forest canopy: Wind tunnel and numerical experiment Reviewed

    Kondo, H., Hori, A., Sakai, R., Iizuka, S., Mutou, K.

    29th Conference on Agricultural and Forest Meteorology 19th Symposium on Boundary Layers and Turbulence, Ninth Symposium on the Urban Environment     page: 1-6   2010.8

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  70. A numerical investigation of the heat balance structures of present and future thermal environments in the Nagoya Metropolitan Area Reviewed

    Iizuka, S., Kuroki, M., Kinbara, K., Kusaka, H., Hara, M., Akimoto, Y.

    Proceedings of the 5th International Symposium on Computational Wind Engineering (CWE2010)     page: 1-8   2010.5

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    A numerical investigation of present (2006) and future (the 2070s) thermal environments in summer in the Nagoya Metropolitan Area was conducted using the Weather Research and Forecasting (WRF) model. In the future projection, a pseudo-global warming method was incorporated to consider the effects of global warming as background data. Based on the simulation results, analyses of heat balance structures at several locations were also carried out using an urban heat balance model. The heat balance structures between the present and future projections were compared, and the differences in the heat transfer mechanisms between the present and future statuses were investigated.

  71. Up-scaling CWE models to include mesoscale meteorological influences Invited Reviewed

    Mochida, A., Iizuka, S., Tominaga, Y., Lun, I. Y. F.

    Proceedings of the 5th International Symposium on Computational Wind Engineering (CWE2010)     page: 1-20   2010.5

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    The current status and remaining issues of coupling CWE models with mesoscale meteorological models (MMM) are reviewed from the view point of computational wind engineers. By way of three examples to demonstrate the typical application areas where the coupling approaches are needed, the governing equations considered, and the difficulties to couple the models despite the different spatial and temporal scales are described. Next, recent attempts of single-model up-scaling of CWE models to meteorological scale wind flow and thermal environment are shown. The need to upgrade existing CWE models for appropriate up-scaling and the issues that require to be solved by the collaboration with meteorologists are pointed out. Finally, the recent achievements attained by other researchers are reviewed and the future directions of CWE studies are discussed. Emphasis is placed on coupling LES with MMM.

  72. Investigation of the applicability of DiMCFD to atmospheric environmental assessment Reviewed

    Mizuno, T., Kondo, H., Horiuchi, K., Hirano, Y., Maeyama, N., Ogata, K., Iizuka, S.

    Proceedings of the 5th International Symposium on Computational Wind Engineering (CWE2010)     page: 1-7   2010.5

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    The activity of a taskforce to make a guideline for a Diffusion Model based on Computational Fluid Dynamics (DiMCFD) to use for the atmospheric environmental impact assessment is reported. The taskforce was established in 2006 by the Japan Society for Atmospheric Environment. The applicability of DiMCFD to environmental impact assessment may be very large; however, the results sometimes diverge if conditions are not specified adequately. In the first stage, we limited our efforts to the problems of short distance dispersion in urban areas under neutral stability. The consensuses and some results are shown.

  73. Merging WRF and LES models for the analysis of a wind environment in an urban area Reviewed

    Kinbara, K., Iizuka, S., Kuroki, M., Kondo, A.

    Proceedings of the 5th International Symposium on Computational Wind Engineering (CWE2010)     page: 1-6   2010.5

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    A WRF-LES computation was carried out for the analysis of a wind environment in the summer in the Nagoya Metropolitan Area, which is located in the central part of Japan. We also performed a single WRF computation with no LES capability and compared the results between the WRF-LES and single WRF computations. The WRF-LES computation predicted a larger magnitude of wind velocity than the single WRF computation. In addition, we are now conducting other WRF-LES computations using the "LES-within-LES" method proposed by Moeng et al. (2007) and using our homemade LES software with an artificial generation method of inflow turbulence.

  74. A numerical simulation of current status of summer and an attempt to project a future thermal environment combined with pseudo global warming data Reviewed

      Vol. 75 ( 647 ) page: 87-93   2010.1

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  75. Large-eddy simulation of turbulent flow and dispersion over complex terrain Invited

      Vol. 34 ( 4 ) page: 410-415   2009.10

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  76. An attempt to project a future thermal environment in the Nagoya metropolitan area combined with pseudo global warming data Reviewed

    Iizuka, S., Kinbara, K., Kusaka, H., Hara, M., Akimoto, Y.

    Proceedings of the 7th International Conference on Urban Climate     page: 1-4   2009.7

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  77. Attempt to make guideline to use CFD model for atmospheric environmental assessment in urban area in Japan Reviewed

    Kondo, H., Horiuchi, K., Hirano, Y., Maeyama, N., Ogata, K., Iizuka, S., Mizuno, T.

    Proceedings of the 7th International Conference on Urban Climate     page: 1-4   2009.7

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  78. 複雑地形上の大気拡散物質の局所予測 Invited

    飯塚悟

    計算工学   Vol. 14 ( 1 ) page: 31-33   2009.1

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  79. Influence of air velocity on local effective thermal insulation provided by clothing Reviewed

    Tsuzuki, K., Sakoi, T., Kondo, H., Iizuka, S.

    Proceedings of 11th International Conference on Indoor Air Quality and Climate     page: -   2008.8

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  80. A LES/RANS hybrid simulation of canopy flows Reviewed

    Iizuka, S., Kondo, H.

    International Colloquium on Bluff Bodies Aerodynamics & Applications     page: 1-7   2008.7

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  81. Transportation of CO2 on complex terrain suggested by microscale numerical simulation

    Kondo, H., Murayama, S., Saigusa, N., Iizuka, S.

    2nd International Symposium of 21st COE Program "Satellite Ecology" at Gifu University "Integrating and scaling processes for plot to landscape ecosystem study"     page: 42-43   2008.7

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  82. A wind-tunnel study on gaseous diffusion around a building within two different atmospheric boundary layers Reviewed

    Iizuka, S., Kondo, H., Mutou, K., Hori, A., Kitabayashi, K., Mizuno, T.

    Proceedings of 4th International Conference on Advances in Wind and Structures     page: 1051-1057   2008.5

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  83. The influence of a large-scale polluted air mass on pollution in an urban street canyon Reviewed

    Kondo, H., Tomizuka, T., Iizuka, S.

    Proceedings of 4th International Conference on Advances in Wind and Structures     page: 1058-1062   2008.5

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  84. Scaling up/down of CO2 transportation in the atmosphere with a numerical analysis

    Kondo, H., Saigusa, N., Murayama, S., Iizuka, S.

    Proceedings of 2008 Seoul workshop: Upscaling from plot based carbon data to regional scale: Current status and perspectives     page: 92-95   2008.2

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  85. LES/RANS hybrid simulation of turbulent flow within and above a plant canopy

    Iizuka, S., Kondo, H.

    Proceedings of Third Asian-Pacific Congress on Computational Mechanics   Vol. MS41-1-2   page: 1-6   2007.12

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  86. Wind-tunnel and CFD studies on gaseous diffusion from a stack attached to a building Reviewed

    Iizuka, S., Maeyama, N., Kondo, H., Hori, A., Mutou, K., Sakamoto, S., Mizuno, T.

    12th International Conference on Wind Engineering, Conference Preprints   Vol. 1   page: 575-582   2007.7

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  87. Large-eddy simulations of turbulent flow over complex terrain using modified static eddy viscosity models Reviewed

    Iizuka, S., Kondo, H.

    Atmospheric Environment   Vol. 40   page: 925-935   2006.2

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  88. Large-eddy simulation of a turbulent flow over complex terrain using a scale-dependent dynamic SGS model Reviewed

    Iizuka, S., Kondo, H.

    Proceedings of The Sixth Asia-Pacific Conference on Wind Engineering     page: 1512-1523   2005.9

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  89. Long-term CO2 flux measurement at Takayama site

    Kondo, H., Saigusa, N., Murayama, S., Iizuka, S., Yamamoto, S.

    Proceedings of AsiaFlux Workshop 2005 (International Workshop on Advanced Flux Network and Flux Evaluation)     page: 11   2005.8

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  90. 複雑地形上流れのLES(その3)モデル係数のscale-dependenceを考慮したdynamic SGSモデルの適用 Reviewed

    飯塚悟, 近藤裕昭

    日本建築学会環境系論文集   Vol. 594   page: 31-37   2005.8

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  91. 複雑地形上の大気中CO2輸送のLES(その1)大気安定度の違いが乱流場やCO2濃度場に及ぼす影響 Reviewed

    飯塚悟, 近藤裕昭

    日本建築学会環境系論文集   Vol. 592   page: 23-28   2005.6

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  92. CFDと風力開発

    石原孟, 飯塚悟

    ターボ機械   Vol. 33 ( 2 ) page: 52-56   2005.2

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  93. Performance of various sub-grid scale models in large-eddy simulations of turbulent flow over complex terrain Reviewed

    Iizuka, S., Kondo, H.

    Atmospheric Environment   Vol. 38   page: 7083-7091   2004.12

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    Turbulent flow over a two-dimensional steep hill was analyzed by large-eddy simulations (LES). Here, six LES computations were carried out using four different sub-grid scale (SGS) models and two different ground surface conditions. The accuracy of these computations was assessed by comparing the results with those from an experiment by Ishihara et at. (2001).

  94. Large eddy simulation of CO2 transport in a turbulent flow over complex terrain Reviewed

    Iizuka, S., Kondo, H.

    Proceedings of 5th International Colloquium on Bluff Body Aerodynamics and Applications     page: 579-582   2004.7

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  95. 複雑地形上流れのLES(その2)壁面減衰関数を必要としない静的SGSモデルの適用とその最適化の一方策 Reviewed

    飯塚悟, 近藤裕昭

    日本建築学会環境系論文集   Vol. 576   page: 23-28   2004.2

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  96. Numerical analysis of CO2 transportation over complex terrain using LES

    Iizuka, S., Kondo, H.

    Proceedings of Synthesis Workshop on the Carbon Budget in Asian Monitoring Network     page: 86-88   2003.10

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  97. Large eddy simulations of turbulent flow over complex terrain Reviewed

    Iizuka, S., Kondo, H.

    Proceedings of 11th International Conference on Wind Engineering   Vol. 2   page: 2689-2696   2003.6

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  98. 複雑地形上流れのLES(その1)Dynamic SGSモデルの問題点とハイブリッドモデルの適用 Reviewed

    飯塚悟, 近藤裕昭

    日本建築学会環境系論文集   Vol. 568   page: 41-48   2003.6

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  99. 非等温室内気流のLESデータベースに基づくレイノルズ応力、乱流熱流束の収支構造の解析 Reviewed

    土屋直也, 飯塚悟, 大岡龍三, 村上周三, 加藤信介

    日本建築学会計画系論文集   Vol. 550   page: 47-54   2001.12

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  100. 生成された変動風を流入境界条件とする2次元角柱周辺流れのLES

    飯塚悟, 村上周三, 持田灯, 土屋直也

    生産研究, 東京大学生産技術研究所所報   Vol. 52 ( 1 ) page: 71-74   2000.1

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  101. CFD analysis of turbulent flow past square cylinder using dynamic LES Reviewed

    Murakami, S., Iizuka, S., Ooka, R.

    Journal of Fluids and Structures   Vol. 13   page: 1097-1112   1999.10

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  102. LES of flow past 2D cylinder with imposed inflow turbulence Reviewed

    Iizuka, S., Murakami, S., Tsuchiya, N., Mochida, A.

    Proceedings of 10th International Conference on Wind Engineering   Vol. 2   page: 1291-1298   1999.6

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  103. Wind-tunnel test of gaseous diffusion in street canyon with thermal stratification Reviewed

    Ooka, R., Murakami, S., Iizuka, S., Uehara, K.

    Proceedings of 10th International Conference on Wind Engineering   Vol. 2   page: 781-786   1999.6

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  104. Dynamic LESによる2次元角柱周辺流れの解析(第3報)Dynamic SmagorinskyモデルへのLagrangian型安定化手法の導入とその効果 Reviewed

    飯塚悟, 村上周三, 持田灯, 富永禎秀, 小林光, Squires, K. D.

    日本建築学会計画系論文集   Vol. 511   page: 39-43   1998.9

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  105. Dynamic LESによる上向き冷風吹出を持つ室内気流解析

    飯塚悟, 村上周三, 大岡龍三, 小杉茂樹

    生産研究, 東京大学生産技術研究所所報   Vol. 50 ( 1 ) page: 37-40   1998.1

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  106. LES analysis of turbulent flow past a square cylinder using various SGS models Reviewed

    Murakami, S., Iizuka, S., Mochida, A., Tominaga, Y.

    ERCOFTAC Series, Direct and Large-Eddy Simulation 2     page: 385-395   1997.10

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  107. Dynamic LESによる2次元角柱周辺流れの解析(第2報)Dynamic Mixed SGSモデルの適用 Reviewed

    富永禎秀, 持田灯, 村上周三, 飯塚悟

    日本建築学会計画系論文集   Vol. 492   page: 57-62   1997.2

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  108. 波数空間の3次元エネルギースペクトルに基づくLESのための流入変動風の生成

    飯塚悟, 村上周三, 持田灯, 李相山

    生産研究, 東京大学生産技術研究所所報   Vol. 49 ( 1 ) page: 27-30   1997.1

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  109. LES analysis on turbulent flow past 2D square cylinder using various dynamic SGS models

      Vol. 49 ( 1 ) page: 39-45   1997.1

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  110. 波数空間の3次元エネルギースペクトルに基づくLESのための流入変動風の生成 Reviewed

    飯塚悟, 持田灯, 村上周三, 李相山, 近藤宏二

    第14回風工学シンポジウム論文集     page: 223-226   1996.12

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  111. Lagrangian型の安定化手法を用いたDynamic LESによる2次元角柱周辺流れの解析 Reviewed

    富永禎秀, 持田灯, 村上周三, 飯塚悟

    第14回風工学シンポジウム論文集     page: 233-238   1996.12

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  112. LES analysis on turbulent flow past 2D square cylinder using various dynamic SGS models Reviewed

    Murakami, S., Mochida, A., Tominaga, Y., Iizuka, S.

    The Second ERCOFTAC Workshop on Direct and Large-Eddy Simulation     page: 1-6   1996.9

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  113. New trends in turbulence models for prediction of wind effects on structures Invited

    Murakami, S., Mochida, A., Iizuka, S.

        page: 1-50   1996.8

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  114. Numerical prediction of flow around a building with various turbulence models: Comparison of k-ε EVM, ASM, DSM and LES with wind tunnel tests Reviewed

    Murakami, S., Mochida, A., Ooka, R., Kato, S., Iizuka, S.

    ASHRAE Transactions   Vol. 102 ( 1 ) page: 741-753   1996.1

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Books 8

  1. Sustainable Houses and Living in the Hot-Humid Climates of Asia (Tetsu Kubota, Hom Bahadur Rijal, and Hiroto Takaguchi Editors), Urban climate challenges in Hanoi: Urban heat islands and global warming

    Trihamdani, A. R., Lee, H. S., Kubota, T., Iizuka, S., Phuong, T. T. T.( Role: Joint author)

    Springer  2018.6 

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  2. Sustainable Houses and Living in the Hot-Humid Climates of Asia (Tetsu Kubota, Hom Bahadur Rijal, and Hiroto Takaguchi Editors), Assessment of future urban climate after implementation of the city master plan in Vinh city, Vietnam

    Iizuka, S., Miyata, M., Watanabe K.( Role: Joint author)

    Springer  2018.6 

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    Language:English

  3. Towards the implementation of the new urban agenda: Contributions from Japan and Germany to make cities more environmentally sustainable (Bernhard Muller and Hiroyuki Shimizu Editors), Part II Climate change and urban green, Modeling the current and future urban climate using downscaling techniques

    Iizuka, S., Xuan, Y.( Role: Joint author)

    Springer  2017.12 

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    Language:English

  4. 空気調和衛生工学便覧14版・1基礎編 19.5 各種誤差要因と対策

    飯塚悟, 義江龍一郎( Role: Joint author)

    丸善  2010.2 

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    Language:Japanese

  5. 気象研究ノート・ラージ・エディ・シミュレーションの気象への応用と検証・第1章「LESの基礎」

    飯塚悟, 近藤裕昭( Role: Joint author)

    日本気象学会  2008.11 

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    ラージ・エディ・シミュレーションの基礎方程式系やサブグリッドスケールモデルについての詳しい解説から、今なぜラージ・エディ・シミュレーションが有望なのかについての説明を行う。

  6. いまさら聞けない計算力学の常識・第16話「なぜ必要? 乱流モデル」

    飯塚悟( Role: Joint author)

    丸善  2008.11 

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    空気や水の流れなど、様々な流体現象の解析において、CFD(Computational Fluid Dynamics)手法は強力なツールとなっている。CFD手法は大きく分けて、DNS(Direct Numerical Simulation)、RANS(Reynolds-Averaged Navier-Stokes equations)モデル、LES(Large-Eddy Simulation)の3つがあるが、一般には乱流モデルを導入するRANSやLESが用いられる。乱流モデルをなぜ導入する必要があるのか、また、乱流モデルにはどのようなものがあるのかを解説する。

  7. いまさら聞けない計算力学の常識・第19話「比べてみよう 有限差分法と有限体積法」

    飯塚悟( Role: Joint author)

    丸善  2008.11 

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    流体の運動を記述するナビエ・ストークス(Navier-Stokes)方程式などの偏微分方程式を離散化近似する方法としては、有限差分法、有限体積法、有限要素法の3つが一般的に用いられている。これらのうち、流体解析の分野では有限差分法や有限体積法がよく用いられるが、有限差分法と有限体積法は同義として扱われることも多い。両者の離散化の考え方について、その共通点や相違点を解説する。

  8. 空気浄化テクノロジーの新展開-VOC削減対策に向けて-【基礎編】第2章 空気浄化の基礎-2. 屋内における空気の循環-

    飯塚悟( Role: Joint author)

    シーエムシー出版  2006.7 

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MISC 2

  1. 防護服・作業服の温熱快適性改善

    佐古井智紀, 藏澄美仁, 澤田晋一, 飯塚悟, 堀場洋輔

    第50回熱シンポジウム「建築熱環境を考える:これまでの50年とこれからの50年」     2021.10

  2. 将来の不確実な気候・気象予測はいかに役立つか? Invited

    飯塚悟

    2021年度日本建築学会大会(東海)地球環境部門パネルディスカッション「Sustainable Societyのための建築と都市」     page: 22 - 26   2021.9

Presentations 78

  1. 防護服・作業服の温熱快適性改善

    佐古井智紀, 藏澄美仁, 澤田晋一, 飯塚悟, 堀場洋輔

    第50回熱シンポジウム  2021.10 

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    Event date: 2021.10

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

  2. 将来の不確実な気候・気象予測はいかに役立つか? Invited

    飯塚悟

    日本建築学会大会・地球環境部門パネルディスカッション  2021.9  日本建築学会

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    Event date: 2021.9

    Language:Japanese   Presentation type:Symposium, workshop panel (nominated)  

  3. 市街地火災時における軒裏換気口を介した飛び火に関する火災風洞実験

    大城織人, 吉岡英樹, 飯塚悟

    日本建築学会大会 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  4. 集合住宅火災における排煙戦術のシミュレーション検討(その2)火災発生階の違いが建物内の煙流動に及ぼす影響

    宮田裕貴, 飯塚悟

    日本建築学会大会 

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    Event date: 2021.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  5. 大都市圏における降雨量・雨の強さの将来推移予測

    伊藤ちひろ, 飯塚悟, 高取千佳

    日本建築学会大会 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  6. 将来気候下におけるZEH・ZEB持続可能性のシミュレーション検討(その2)将来2030年代と2050年代の年間予測に基づく検討

    小田健士朗, 飯塚悟

    日本建築学会大会 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  7. Cooling protective clothing utilizing water evaporation International conference

    Sakoi, T., Nagasawa, S., Horiba, Y., Sawada, S., Gao, C., Iizuka, S.

    9th European Conference on Protective Clothing  2021.5 

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    Event date: 2021.5

    Language:English   Presentation type:Oral presentation (general)  

  8. 集合住宅火災における排煙戦術のシミュレーション検討

    宮田裕貴, 飯塚悟, 神長侑磨

    日本建築学会大会 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  9. 将来の高温高湿下における潜熱利用型ヒートアイランド緩和策の導入効果の検討(その3)保水性建材の導入面積や状態の違いが都市街区内暑熱環境や熱的快適性に及ぼす影響評価

    今中啓斗, 飯塚悟, 玄英麗

    日本建築学会大会 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  10. WRFによる名古屋都市圏温熱環境・風環境シミュレーション(その20)温暖化の進行に伴う熱中症搬送者数と救急車出動回数の将来変化の推定

    早川泰弘, 飯塚悟, 玄英麗

    日本建築学会大会 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  11. 将来気候下におけるZEH・ZEB持続可能性のシミュレーション検討

    小田健士朗, 飯塚悟

    日本建築学会大会 

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    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  12. 木造密集市街地の火災延焼シミュレーションと必要消火水量の推定

    神長侑磨, 飯塚悟, 大城織人, 宮田裕貴

    日本建築学会大会 

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    Event date: 2020.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  13. Flow and turbulence near the edge of a forest canopy: Wind tunnel and numerical experiment International conference

    29th Conference on Agricultural and Forest Meteorology 19th Symposium on Boundary Layers and Turbulence, Ninth Symposium on the Urban Environment 

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    Event date: 2010.8

    Language:English   Presentation type:Oral presentation (general)  

  14. Investigation of the applicability of DiMCFD to atmospheric environmental assessment International conference

    5th International Symposium on Computational Wind Engineering (CWE2010) 

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    Event date: 2010.5

    Language:English   Presentation type:Oral presentation (general)  

  15. A numerical investigation of the heat balance structures of present and future thermal environments in the Nagoya Metropolitan Area International conference

    5th International Symposium on Computational Wind Engineering (CWE2010) 

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    Event date: 2010.5

    Language:English   Presentation type:Oral presentation (general)  

  16. Merging WRF and LES models for the analysis of a wind environment in an urban area International conference

    5th International Symposium on Computational Wind Engineering (CWE2010) 

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    Event date: 2010.5

    Language:English   Presentation type:Oral presentation (general)  

  17. Up-scaling CWE models to include mesoscale meteorological influences International conference

    5th International Symposium on Computational Wind Engineering (CWE2010) 

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    Event date: 2010.5

    Language:English   Presentation type:Oral presentation (invited, special)  

  18. WRFによる名古屋都市圏温熱環境・風環境シミュレーション・風環境シミュレーション(その2)2070年代の将来予測の試みと温暖化対策の検討

    飯塚悟, 金原和矢, 日下博幸, 原政之, 秋本祐子

    日本建築学会大会 

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    Event date: 2009.8

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  19. Attempt to make guideline to use CFD model for atmospheric environmental assessment in urban area in Japan International conference

    7th International Conference on Urban Climate 

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    Event date: 2009.7

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  20. An attempt to project a future thermal environment in the Nagoya metropolitan area combined with pseudo global warming data International conference

    7th International Conference on Urban Climate 

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    Event date: 2009.7

    Language:English   Presentation type:Poster presentation  

    Country:Japan  

  21. A wind-tunnel study on gaseous diffusion around a building within two different atmospheric boundary layers

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    Event date: 2008.9

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Country:Japan  

  22. Influence of air velocity on local effective thermal insulation provided by clothing International conference

    11th International Conference on Indoor Air Quality and Climate 

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    Event date: 2008.8

    Language:English  

  23. Transportation of CO2 on complex terrain suggested by microscale numerical simulation International conference

    2nd International Symposium of 21st COE Program "Satellite Ecology" at Gifu University "Integrating and scaling processes for plot to landscape ecosystem study" 

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    Event date: 2008.7

    Language:English  

    Country:Japan  

  24. A LES/RANS hybrid simulation of canopy flows International conference

    International Colloquium on Bluff Bodies Aerodynamics & Applications 

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    Event date: 2008.7

    Language:English   Presentation type:Poster presentation  

  25. The influence of a large-scale polluted air mass on pollution in an urban street canyon International conference

    4th International Conference on Advances in Wind and Structures 

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    Event date: 2008.5

    Language:English  

  26. A wind-tunnel study on gaseous diffusion around a building within two different atmospheric boundary layers International conference

    4th International Conference on Advances in Wind and Structures 

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    Event date: 2008.5

    Language:English  

  27. Scaling up/down of CO2 transportation in the atmosphere with a numerical analysis International conference

    2008 Seoul workshop: Upscaling from plot based carbon data to regional scale: Current status and perspectives 

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    Event date: 2008.2

    Language:English  

  28. LES/RANS hybrid simulation of turbulent flow within and above a plant canopy International conference

    Third Asian-Pacific Congress on Computational Mechanics 

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    Event date: 2007.12

    Language:English  

    Country:Japan  

  29. 植生キャノピー乱流のRANS/LESハイブリッドシミュレーション

    飯塚悟, 近藤裕昭

    第9回非静力学モデルに関するワークショップ 

     More details

    Event date: 2007.9

    Language:Japanese  

    Country:Japan  

  30. 植生キャノピー乱流へのRANS/LESハイブリッドモデル導入の試み

    飯塚悟, 近藤裕昭

    日本流体力学会年会2007 

     More details

    Event date: 2007.8

    Language:Japanese  

    Country:Japan  

  31. 植生キャノピー乱流へのRANS/LESハイブリッドモデル導入の試み

    飯塚悟, 近藤裕昭

    日本建築学会大会 

     More details

    Event date: 2007.8

    Language:Japanese  

    Country:Japan  

  32. Wind-tunnel and CFD studies on gaseous diffusion from a stack attached to a building International conference

    12th International Conference on Wind Engineering 

     More details

    Event date: 2007.7

    Language:English  

  33. CFD and wind-tunnel studies on gaseous diffusion from a stack attached to a building International conference

    11th Annual George Mason University Conference on Atmospheric Transport and Dispersion Modeling 

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    Event date: 2007.7

    Language:English  

  34. モデル係数のスケール依存性を考慮したdynamicモデルによる複雑地形上大気乱流場のLES

    飯塚悟, 近藤裕昭

    日本流体力学会年会2005 

     More details

    Event date: 2005.9

    Language:Japanese  

    Country:Japan  

  35. Large-eddy simulation of a turbulent flow over complex terrain using a scale-dependent dynamic SGS model International conference

    The Sixth Asia-Pacific Conference on Wind Engineering 

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    Event date: 2005.9

    Language:English  

  36. Long-term CO2 flux measurement at Takayama site International conference

    AsiaFlux Workshop 2005 (International Workshop on Advanced Flux Network and Flux Evaluation) 

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    Event date: 2005.8

    Language:English  

    Country:Japan  

  37. Large-eddy simulations of CO2 transport over complex terrain International conference

    9th Annual George Mason University Conference on Atmospheric Transport and Dispersion Modeling 

     More details

    Event date: 2005.7

    Language:English  

  38. LESによる複雑地形上の大気中CO2輸送解析

    飯塚悟, 近藤裕昭

    計算工学講演会 

     More details

    Event date: 2005.6

    Language:Japanese  

    Country:Japan  

  39. scale-dependent dynamic SGSモデルによる複雑地形上流れのLES

    飯塚悟, 近藤裕昭

    日本風工学会年次大会 

     More details

    Event date: 2005.4

    Language:Japanese  

    Country:Japan  

  40. 3次元孤立峰上の大気中CO2輸送のLES

    飯塚悟, 近藤裕昭

    第6回非静力学モデルに関するワークショップ 

     More details

    Event date: 2004.11

    Language:Japanese  

    Country:Japan  

  41. LESによる3次元孤立峰まわりのCO2輸送解析

    飯塚悟, 近藤裕昭

    日本流体力学会年会2004 

     More details

    Event date: 2004.8

    Language:Japanese  

    Country:Japan  

  42. Large eddy simulation of CO2 transport in a turbulent flow over complex terrain International conference

    5th International Colloquium on Bluff Body Aerodynamics and Applications 

     More details

    Event date: 2004.7

    Language:English  

  43. 複雑地形上の大気乱流中CO2輸送のLES

    飯塚悟, 近藤裕昭

    第17回数値流体力学シンポジウム 

     More details

    Event date: 2003.12

    Language:Japanese  

    Country:Japan  

  44. LESによる山岳地形上のCO2輸送解析-中立時と不安定時の比較-

    飯塚悟, 近藤裕昭

    第50回風に関するシンポジウム 

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    Event date: 2003.12

    Language:Japanese  

    Country:Japan  

  45. LESによる山岳地形上のCO2輸送解析-中立時と不安定時の比較-

    飯塚悟, 近藤裕昭

    第5回非静力学モデルに関するワークショップ 

     More details

    Event date: 2003.11

    Language:Japanese  

    Country:Japan  

  46. Numerical analysis of CO2 transportation over complex terrain using LES International conference

    Synthesis Workshop on the Carbon Budget in Asian Monitoring Network 

     More details

    Event date: 2003.10

    Language:English  

    Country:Japan  

  47. Large eddy simulations of turbulent flow over complex terrain International conference

    11th International Conference on Wind Engineering 

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    Event date: 2003.6

    Language:English  

  48. 山岳地形上流れのLES-non-Smagorinsky型渦粘性モデルの適用-

    飯塚悟, 近藤裕昭

    日本風工学会年次大会 

     More details

    Event date: 2003.4

    Language:Japanese  

    Country:Japan  

  49. 各種渦粘性型SGSモデルによる複雑地形上流れのLES

    飯塚悟, 近藤裕昭

    第18回生研NSTシンポジウム 

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    Event date: 2003.3

    Language:Japanese  

    Country:Japan  

  50. Numerical prediction of wind environment over complex terrain International conference

    8th International Conference on Atmospheric Sciences and Applications to Air Quality 

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    Event date: 2003.3

    Language:English  

    Country:Japan  

  51. LESのSGSモデリングの動向(その2)dynamic SGSモデルの問題点とscale-dependenceを考慮したdynamic SGSモデル

    飯塚悟

    日本建築学会関東支部 

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    Event date: 2003.3

    Language:Japanese  

    Country:Japan  

  52. 山岳地形上流れのLES(その2)各種SGSモデルの比較

    飯塚悟, 近藤裕昭

    第4回非静力学モデルに関するワークショップ 

     More details

    Event date: 2002.11

    Language:Japanese  

    Country:Japan  

  53. 各種SGSモデルによる山岳地形上流れのLES

    飯塚悟, 近藤裕昭

    日本流体力学会年会2002 

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    Event date: 2002.7

    Language:Japanese  

    Country:Japan  

  54. CO2排出・吸収問題の最近の動向

    飯塚悟, 近藤裕昭

    日本建築学会関東支部 

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    Event date: 2002.3

    Language:Japanese  

    Country:Japan  

  55. LESのSGSモデリングの動向-dynamic mixedモデルの新しい展開-

    飯塚悟

    日本建築学会関東支部 

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    Event date: 2002.3

    Language:Japanese  

    Country:Japan  

  56. LESによる山岳地形上流れの解析(第2報)-地表面粗度の違いが流れ場に及ぼす影響について-

    飯塚悟, 近藤裕昭

    日本気象学会2001年度秋季大会 

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    Event date: 2001.10

    Language:Japanese  

    Country:Japan  

  57. 山岳地形上流れのLES-地表面粗度の違いが流れ場に及ぼす影響について-

    飯塚悟, 近藤裕昭

    第3回非静力学モデルに関するワークショップ 

     More details

    Event date: 2001.9

    Language:Japanese  

    Country:Japan  

  58. Dynamic LESによる山岳地形上の乱流場解析

    飯塚悟, 近藤裕昭

    日本流体力学会年会2001 

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    Event date: 2001.8

    Language:Japanese  

    Country:Japan  

  59. LESによる山岳地形まわりの複雑乱流場解析(第1報)

    飯塚悟, 近藤裕昭

    日本気象学会2001年度春季大会 

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    Event date: 2001.5

    Language:Japanese  

    Country:Japan  

  60. 非等温室内気流性状のLESデータベース作成に関する研究(その2)2次元閉鎖空間内流れにおけるレイノルズ応力、温度フラックスの収支について

    飯塚悟, 土屋直也, 村上周三, 加藤信介, 大岡龍三

    日本建築学会大会 

     More details

    Event date: 2000.9

    Language:Japanese  

    Country:Japan  

  61. 生成された変動風を流入境界条件とする2次元角柱周辺流れのLES

    飯塚悟, 村上周三, 持田灯, 土屋直也

    第13回数値流体力学シンポジウム 

     More details

    Event date: 1999.12

    Language:Japanese  

    Country:Japan  

  62. 生成された変動風を流入境界条件とする2次元角柱周辺流れのLES

    飯塚悟, 村上周三, 持田灯, 土屋直也

    日本建築学会大会 

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    Event date: 1999.9

    Language:Japanese  

    Country:Japan  

  63. Wind-tunnel test of gaseous diffusion in street canyon with thermal stratification International conference

    10th International Conference on Wind Engineering 

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    Event date: 1999.6

    Language:English  

  64. LES of flow past 2D cylinder with imposed inflow turbulence International conference

    10th International Conference on Wind Engineering 

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    Event date: 1999.6

    Language:English  

  65. Dynamic LESによる非等温室内気流解析(その2)内部に発熱体を有する閉鎖空間内流れの検討

    飯塚悟, 村上周三, 加藤信介, 大岡龍三, 小杉茂樹

    第12回数値流体力学シンポジウム 

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    Event date: 1998.12

    Language:Japanese  

    Country:Japan  

  66. Dynamic LESによるチャンネル流解析-Dynamic Mixedモデルのscale-similarity項に係わる問題点-

    飯塚悟, 大岡龍三, 村上周三, 持田灯, 加藤信介

    日本建築学会大会 

     More details

    Event date: 1998.9

    Language:Japanese  

    Country:Japan  

  67. Dynamic LESによるチャンネル流解析-Dynamic Mixedモデルのscale-similarity項に係わる問題点-

    飯塚悟, 大岡龍三, 村上周三, 持田灯, 加藤信介

    第30回乱流シンポジウム 

     More details

    Event date: 1998.7

    Language:Japanese  

    Country:Japan  

  68. LESにおけるSGSモデリングの最近の動向(その4)Dynamic SGSモデルへのLagrangian型安定化手法の導入

    飯塚悟, 村上周三, 持田灯, 富永禎秀, 小杉茂樹

    日本建築学会関東支部 

     More details

    Event date: 1998.3

    Language:Japanese  

    Country:Japan  

  69. Dynamic LESによる非等温室内気流解析

    飯塚悟, 村上周三, 大岡龍三, 小杉茂樹

    第11回数値流体力学シンポジウム 

     More details

    Event date: 1997.12

    Language:Japanese  

    Country:Japan  

  70. LESによる2次元角柱周辺流れの解析-Grid Stretching Ratioの予測精度に及ぼす影響について-

    飯塚悟, 村上周三, 持田灯

    日本建築学会大会 

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    Event date: 1997.9

    Language:Japanese  

    Country:Japan  

  71. LESによる2次元角柱周辺流れの解析-Grid Stretching Ratioの予測精度に及ぼす影響について-

    飯塚悟, 村上周三, 持田灯

    日本風工学会年次大会 

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    Event date: 1997.4

    Language:Japanese  

    Country:Japan  

  72. LESのための流入変動風の作成法に関する研究-波数空間の3次元エネルギースペクトルに基づく流入変動風を用いた等方性乱流の解析-

    飯塚悟, 持田灯, 村上周三, 李相山

    第10回数値流体シンポジウム 

     More details

    Event date: 1996.12

    Language:Japanese  

    Country:Japan  

  73. Dynamic LESによる2次元角柱周辺流れの解析(第5報)波数空間の3次元エネルギースペクトルに基づく流入変動風の作成

    飯塚悟, 村上周三, 持田灯, 李相山

    日本建築学会大会 

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    Event date: 1996.9

    Language:Japanese  

    Country:Japan  

  74. LES analysis on turbulent flow past 2D square cylinder using various dynamic SGS models International conference

    The Second ERCOFTAC Workshop on Direct and Large-Eddy Simulation 

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    Event date: 1996.9

    Language:English  

  75. New trends in turbulence models for prediction of wind effects on structures International conference

    International Wind Engineering Forum 

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    Event date: 1996.8

    Language:English   Presentation type:Oral presentation (invited, special)  

  76. Dynamic LESによる2次元角柱周辺流れの解析(第2報)Dynamic Mixed SGS Modelの適用

    飯塚悟, 村上周三, 持田灯, 富永禎秀

    日本建築学会大会 

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    Event date: 1995.8

    Language:Japanese  

    Country:Japan  

  77. Vortex shedding past a square cylinder International conference

    Workshop on Large Eddy Simulation of Flows past Bluff Bodies 

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    Event date: 1995.6

    Language:English  

  78. 都心部における屋上空間の居住環境調査と中庭空間の役割に関する研究

    飯塚悟, 尾島俊雄, 他

    日本建築学会関東支部 

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    Event date: 1994.3

    Language:Japanese  

    Country:Japan  

▼display all

Research Project for Joint Research, Competitive Funding, etc. 16

  1. 都市構造物を対象とした気候変動影響予測と適応策の検討と評価

    2020.4

    環境研究総合推進費S-18-4(2) 

    谷川寛樹

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    Authorship:Coinvestigator(s)  Grant type:Competitive

  2. 集約型都市構造モデルの温熱環境予測と費用対効果の検討

    2020.4 - 2021.3

    東京工芸大学・風工学研究拠点共同研究(一般課題研究) 

    飯塚悟

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\200000 ( Direct Cost: \200000 )

  3. 管理・利用・環境機能の総合評価に基づく都市周縁部の緑地計画の提案

    2019.4 - 2021.3

    公益財団法人鹿島学術振興財団2019年度・2020年度研究助成 

    高取千佳

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\1300000 ( Direct Cost: \1300000 )

  4. 格子ボルツマン法に基づく街区・建物スケールLESの実用化手法の開発

    2019.4 - 2020.3

    東京工芸大学・風工学研究拠点共同研究(特定課題研究) 

    飯塚悟

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    Grant type:Competitive

  5. 将来の地球温暖化時代における潜熱利用型ヒートアイランド対策の導入効果の検討

    2018.4 - 2019.3

    東京工芸大学・風工学研究拠点共同研究(特定課題研究) 

    飯塚悟

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    Grant type:Competitive

  6. 格子ボルツマン法と人工的な流入変動風を組み合わせた新しい建築工学LESモデルの開発

    2017.4 - 2018.3

    公益財団法人前田記念工学振興財団・平成29年度研究助成 

    飯塚悟

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    Grant type:Competitive

  7. 成長都市ハノイにおける都市マスタープラン改善案としての水と緑の分散配置による都市高温化緩和策の共同提案

    2015.8 - 2016.3

    国土交通省国土政策局・平成27年度国土政策関係研究支援事業 

    久保田徹

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    Grant type:Competitive

  8. 鉄道駅コンコースの空調方式の最適化

    2015.5 - 2016.6

    国内共同研究 

  9. 市街地向け流入変動風の発生機構に関する研究

    2014.1 - 2014.3

    国内共同研究 

  10. 室内環境・快適性を拘束条件としたZEH(Net Zero Energy House)の可能性の検討

    2012.4 - 2013.3

    公益財団法人日比科学技術振興財団・特別研究課題 

    飯塚悟

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    Grant type:Competitive

  11. 低炭素社会を実現する街区群の設計と社会実装プロセス

    2011.4 - 2014.3

    環境研究総合推進費 

    加藤博和

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    Grant type:Competitive

  12. 名古屋ヒートアイランドと多治見猛暑の相互影響評価と相互の暑熱環境緩和を目指した将来都市計画の提案-大都市と周辺都市間の熱輸送構造の解明-

    2011.4 - 2012.3

    財団法人大林都市研究振興財団・平成22年度研究助成 

    飯塚悟

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    Grant type:Competitive

  13. Development of a sophisticated downscaling model using feedback parameterizations and its applications for adaptations to urban heat islands, extremely hot days, and downpours

    2010.10 - 2015.3

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    Grant type:Competitive

  14. 次世代自動車等低炭素交通システムを実現する都市インフラと制度に関する研究

    2010.4 - 2013.3

    環境研究総合推進費 

    森川高行

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    Grant type:Competitive

  15. 室内温熱環境・気流環境解析のためのCFDモデルと人体温熱生理モデルの連成解析システムの開発

    2010.4 - 2011.3

    平成22年度(第27回)日東学術振興財団・海外派遣研究助成 

    飯塚悟

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    Grant type:Competitive

  16. 局地猛暑の要因解明と街区スケールの猛暑緩和策の提案-岐阜県多治見市を対象として-

    2010.4 - 2011.3

    財団法人前田記念工学振興財団・平成22年度研究助成 

    飯塚悟

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    Grant type:Competitive

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KAKENHI (Grants-in-Aid for Scientific Research) 12

  1. Development of planning methodology for healthy cities and its application to cities in a growing country facing two serious warming issues

    Grant number:20KK0098  2020.10 - 2024.3

    Grants-in-Aid for Scientific Research  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

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    Authorship:Principal investigator 

    Grant amount:\18720000 ( Direct Cost: \14400000 、 Indirect Cost:\4320000 )

  2. 飛び火延焼モデルの開発と木造密集市街地の火災延焼予測・消防水利更新計画への応用

    Grant number:20H02310  2020.4 - 2023.3

    科学研究費助成事業  基盤研究(B)

    飯塚 悟, 廣井 悠, 吉岡 英樹

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    Authorship:Principal investigator 

    Grant amount:\17550000 ( Direct Cost: \13500000 、 Indirect Cost:\4050000 )

    本研究では、愛知県名古屋市内の木造密集市街地を対象とし、新たに開発する「飛び火延焼モデル」を組み込んだCFDベースのシミュレーションモデルによる「火災延焼予測」を行う。飛び火延焼モデルは、飛び火の建物内部侵入の着火過程を確率モデルとして取り扱い、建物内部延焼に関して本研究で行う火災実験や既往の火災実験の結果を基にモデル化して開発する。火災延焼予測では、様々な気象状況を想定し、火元位置や火の粉の発生条件を系統的に変化させたケーススタディを実施する。さらに、名古屋市消防局と協働し、火災延焼予測結果に基づく必要消火水量の推定を行い、大規模火災に対応可能な「消防水利更新計画」を検討・提案する。

  3. 流域レジリエンスに向けた雨水浸透・貯留・流出抑制型緑地管理システムの構築

    Grant number:20H02332  2020.4 - 2023.3

    科学研究費助成事業  基盤研究(B)

    高取 千佳, 田代 喬, 飯塚 悟, 森山 雅雄

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\3640000 ( Direct Cost: \2800000 、 Indirect Cost:\840000 )

    本研究では、名古屋・福岡都市圏を対象とし、流域レジリエンスに向けた雨水浸透・貯留・流出抑制型緑地管理システムの構築を目的とする。具体的には、(1)流域―緑地類型を行い、(2)緑地類型別の三次元構造と管理レベルの相関を分析し、(3)緑地類型別・管理レベルごとの雨水浸透・貯留・流出抑制機能を評価し(4)将来の流域レジリエンスに向けた緑地管理システムを構築する。

  4. ZEBを実現するための現在と近未来の設計用過酷気象データの開発

    Grant number:19H02299  2019.4 - 2023.3

    科学研究費助成事業  基盤研究(B)

    二宮 秀與, 飯塚 悟

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\5239000 ( Direct Cost: \4030000 、 Indirect Cost:\1209000 )

    近年、建築分野では世界的にZEBが指向されており、全ての新築建物のZEB化は国の目標でもある。ZEBの設計ではシミュレーションが活用されるが、その際に用いる気象データはどのような特徴を持つものが適しているか検討されていない。建物の設計用の気象データとしては、世界的に標準年が使用されているが、ZEBの計画に際しては、平均的な気象条件ではなく、むしろ過酷な気象条件での評価が重要になると考えられる。本研究では、真のZEB社会の実現を目指して、ZEBやZEHの評価に適した現在と近未来の設計用苛酷気象データの作成方法を検討し、国内および東南アジアの年間気象データを整理・公開することを目標とする。
    ZEB(ネットゼロエネルギービルディング)におけるエネルギー収支を根拠として、気象の過酷性を検討した。モデル建物による年間のエネルギー収支を時別気象データと1分値気象データで比較して、太陽光発電、照明負荷に若干の差が生じることを明らかにした。その他の空調、動力については差が見られなかった。このことから時別値データを元に気象の過酷性を評価することとした。1分値気象データについては、2011~2020年の10年間のデータ整理を目的として、1分値データに含まれる欠測を補充する方法について検討した。気象要素毎に欠測補充方法と精度を考察し、ホットデック法による補間が有効であることを明らかした。
    将来の過酷気象データについては、温暖化ダウンスケーリングシミュレーションを活用して、2030年代と2050年代の年間の気候予測を行い、その予測結果からエネルギーシミュレーションを実施して空調エネルギー消費量を推定し、その推定結果を基に、ZEH・ZEBの持続可能性を検討した。
    またアメダスへの適用を目的として、時別日射量の推定方法について検討し、日照計の種類毎に係数値を同定して推定精度を確認した。その過程で地震や津波の被害で長期の欠測が見られたので、新たに数値予報データ(MSM)と、ひまわりの衛星画像に着目し、時別日射量と大気放射量の推定方法について検討した。その結果、実用的な精度で推定できることを示した。
    さらにインドネシアで全天日射量と天空日射量,方位別鉛直面日射量と大気放射量を長期観測している。得られたデータを元に、日射の直散分離,斜面日射量の合成方法について、これまでに提案されている手法が適用できるか検討した。その結果、1時間積算値については概ね良く一致したが、瞬時値についてはばらつきが大きく改良が必要であることを明らかにした。
    本研究ではZEBのエネルギー収支をより詳細に検討するため、シミュレーションに用いる気象データとして時別値ではなく、1分値や5分値の利用を条件とした。そのためにまず1分値気象データを整理する必要があり、データに含まれる欠測の補充方法について検討した。気象要素毎に欠測補充方法と精度を考察した結果、ホットデック法による補間が有効であることを明らかした。
    ZEBのモデル建物を対象として、時刻毎のエネルギー収支を時別気象データと1分値気象データで比較した。その結果、太陽光発電、照明負荷に若干の差が生じることを明らかにした。特に日射量が細かく変動するような日は、1時間値と1分値の差が大きくなることがわかった。その他の空調、動力については差が見られなかった。
    将来の過酷気象データについては、温室効果ガス排出シナリオとしてRCP2.6およびRCP8.5を導入したGFDL-CM3の結果を用いて、2030年代と2050年代の名古屋地域(1kmメッシュ)の気象データを整理した。この気象データを用いて、現在のZEB,ZEHが将来に亘って持続できるか確認した。
    日射の直散分離と斜面日射量の合成手法については、インドネシアで日射量を観測しており、一年以上のデータを収集できた。得られたデータを元に、日射の直散分離,斜面日射量の合成方法について、これまでに提案されている手法が適用できるか検討した。その結果、1時間積算値については概ね良く一致したが、瞬時値についてはばらつきが大きく改良が必要であることが分かった。また東南アジアへの展開を考慮して、ひまわりの衛星画像による時別日射量と大気放射量の推定方法について検討した。その結果、実用的な精度で推定できることを示した。
    1分値気象データの欠測補充について、新たにAIの適用を検討する。これまで開発したホットデック法とAIの推定精度を比較して、欠測補充方法を確定する。その結果をもとに国内の日射観測地点について2011~2020年の1分値気象データを整備する。
    過酷気象に関しては、EnergyPlusによるエネルギーシミュレーションを行い、気象データとの関係性を整理し、過酷気象年の選定方法を提案する。そして過酷気象データを用いたシミュレーション結果が、統計的にどの程度の危険率に相当するか明確にする。
    将来の過酷気象データについては、これまでの擬似温暖化手法から直接ダウンスケーリング手法、つまり、全球気候モデルの結果を直に都市スケール等にダウンスケーリングする手法への変更を検討する。擬似温暖化手法は、全球気候モデルによる将来の10~数10年平均気候値と、現在の10~数10年平均気候値の差を、現状の再解析/客観解析データに足し込み、それを都市スケール等の将来気候予測の初期値・境界値に用いるもので、異常気象・極端気象として妥当なものが出現するかどうか疑問がある。この観点から直接ダウンスケーリング手法が有効かどうか検討する。
    熱帯地域での過酷気象データについては、引き続きインドネシアで日射量と大気放射量を観測し、日射の直散分離と斜面日射量の合成方法,および大気放射量の推定方法について検討する。また気象衛星の画像データを用いて、時別日射量と大気放射量の推定方法を検討する。

  5. 都市環境防災のための高解像度気象情報予測プラットフォームの構築

    2012.5 - 2017.3

    科学研究費補助金  基盤研究(S)

    大岡 龍三

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    Authorship:Coinvestigator(s) 

  6. 住居内環境の日変化・年変化に伴う居住者の場所選択行動とその設計への応用

    2012.4 - 2015.3

    科学研究費補助金  基盤研究(A)

    久野 覚

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    Authorship:Coinvestigator(s) 

  7. Evaluation of urban bias and microclimate effects for climate change monitoring in Japan

    2010.4 - 2013.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(B)

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    Authorship:Coinvestigator(s) 

  8. A study on representativeness and aggregation of a tower flux measurement in complex terrain

    2009.4 - 2012.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(A)

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    Authorship:Coinvestigator(s) 

  9. Construction of the physical, physiological and psychological integrated model for unsteady and asymmetric thermal environment

    2008.4 - 2011.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(B)

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    Authorship:Coinvestigator(s) 

  10. Study on standardization for the assessment in atmospheric environment using CFD models

    2007.4 - 2009.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(C)

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    Authorship:Coinvestigator(s) 

  11. A study on subgrid-scale modeling for a next-generation CFD method

    2007.4 - 2009.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists(B)

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    Authorship:Principal investigator 

  12. Study on material transport under stable stratification in a complex terrain using radon as a tracer

    2005.4 - 2009.3

    Grant-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research(A)

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    Authorship:Coinvestigator(s) 

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Teaching Experience (On-campus) 5

  1. 空間エネルギー制御論

    2010

  2. 環境システム設計及び演習

    2010

  3. 空間エネルギー制御論

    2009

  4. 環境システム設計及び演習

    2009

  5. 物理環境工学

    2009

Teaching Experience (Off-campus) 3

  1. 2020.9 Kyushu University)

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    Level:Postgraduate 

  2. 2010.4 - 2011.3 京都大学防災研究所)

  3. 2006.4 - 2007.3 筑波大学大学院)

 

Academic Activities 2

  1. 愛知県 気候変動適応検討委員会

    愛知県  2021.1

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    Type:Scientific advice/Review 

  2. 岐阜市 ぎふメディアコスモス漏水問題検討会議

    岐阜市  2016.7