Organization
Undergraduate School School of Science and Technology Professor
Title
Professor
External link
Research Areas
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Social infrastructure (civil Engineering, architecture,disaster prevention) / Construction environment and equipment
Professional Memberships
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ASHRAE
2019.6
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日本風工学会
2009.1
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空気調和衛生工学会
2007.3
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日本建築学会
2002.12
Committee Memberships
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日本建築学会 環境工学本委員会 幹事
2023.4
Committee type：Academic society
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日本建築学会 論文集委員会 部門幹事
2022.6
Committee type：Academic society
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日本建築学会 脱炭素都市・建築アクションプラン特別調査委員会 幹事
2022.4
Committee type：Academic society
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ASHRAE 日本支部 Board member
2019.6
Committee type：Academic society
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日本建築学会 環境工学委員会 空気環境運営委員会, 幹事
2019.4 - 2022.3
Committee type：Academic society
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日本建築学会 地球環境委員会サステナブルビルトエンバイロメント研究小委員会, 主査
2019.4 - 2021.3
Committee type：Academic society
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日本風工学会 運営・学術委員会，委員
2018.6 - 2022.6
Committee type：Academic society
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日本建築学会 技術報告集委員会, 部門幹事
2018.6 - 2020.5
Committee type：Academic society
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日本風工学会 運営・学術委員会，委員
2018.4
Committee type：Academic society
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日本建築学会 地球環境委員会サステナブル社会移行手法検討小委員会, 主査
2017.4 - 2019.3
Committee type：Academic society
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日本建築学会 会誌編集委員会,幹事
2015.6 - 2017.8
Committee type：Academic society
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空気調和衛生工学会 BIM活用ビジョン検討委員会,幹事
2015.4 - 2018.3
Committee type：Academic society
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日本建築学会 地球環境委員会サステナブル社会移行手法検討小委員会, 幹事
2015.4 - 2017.3
Committee type：Academic society
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日本建築学会 地球環境委員会サステイナブルビルディング評価手法検討小委員会,幹事
2013.4 - 2015.3
Committee type：Academic society
Papers
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Operational performance and environmental satisfaction survey of a university building with large learning commons Reviewed International journal
Tokuwaki Yuma; Kamide Takeru; Hirakawa Satoshi; Maruyama Jun; Hiyama Kyosuke
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING 2024.3
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半円筒型オープンエアダクトの空気搬送距離延伸効果とオフィス空間への適用性の検証 Reviewed
田中 薫, 樋山 恭助, 生田 紀夫, 沢潟 裕一
日本建築学会技術報告集 30 ( 74 ) 216 - 221 2024.2
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Transfer learning for forecasting hourly indoor air temperatures of buildings with electrochromic glass Reviewed International journal
Srisamranrungruang Thanyalak; Hiyama Kyosuke
Japan Architectural Review 7 ( 1 ) e12434 2024.1
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新型コロナ前後における大規模総合大学キャンパスのエネルギー使用実態調査 Reviewed
上出 健, 樋山 恭助
日本建築学会技術報告集 29 ( 71 ) 286 - 291 2023.2
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Trend analysis of CASBEE Wellness Office certified properties Reviewed International journal
Hiyama, Kyosuke; Hayashi, Tatsuya; Kubo, Ryutaro
Japan Architectural Review 6 ( 1 ) e12403 2023.1
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Low-carbon assessment of building facades using dynamic CO2 intensity of electricity generation in Japan Reviewed International journal
Kyosuke Hiyama, Thanyalak Srisamranrungruang
Energy and Buildings ( 278 ) 112637 2023.1
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Application of artificial neural network for natural ventilation schemes to control operable windows Reviewed International journal
Thanyalak Srisamranrungruang, Kyosuke Hiyama
Heliyon 8 ( 11 ) 2022.11
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Regional adaptivity of electrochromic glazing in Japan and operational improvement in energy saving using machine learning Reviewed
Takuma Kobayashi, Kyosuke Hiyama, Yuichi Omodaka, Yutaka Oura, Yukiyasu Asaoka
Japan Architectural Review 5 ( 3 ) 269 - 278 2022.7
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A framework for rapid diagnosis of natural ventilation effect during early design stage using Thermal Autonomy Reviewed International coauthorship International journal
International Journal of Green Energy 20 ( 7 ) 752 - 766 2022.7
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Adaptation of electrochromic glass into an airflow window system and its performance evaluation Reviewed International journal
Yuichi Omodaka, Kyosuke Hiyama, Yutaka Oura, Yukiyasu Asaoka
Japan Architectural Review 5 ( 3 ) 235 - 246 2022.7
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次世代人検知センサを用いた空間温度の推定・制御手法に関する研究 Reviewed
平木 貴之, 樋山 恭助, 沢潟 裕一, 村田 圭介, 関根 賢太郎, 七里 彰俊
日本建築学会環境系論文集 87 ( 796 ) 335 - 346 2022.6
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エアフローウィンドウ中間層における通気経路設計による熱性能への影響の検証 Reviewed
2022.4
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建物のウェルネス性が不動産賃料に与える影響に関する研究 Reviewed
久保 隆太郎, 林 立也, 樋山 恭助
日本建築学会技術報告集 28 ( 68 ) 326 - 331 2022.2
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Operation strategy for engineered natural ventilation using machine learning under sparse data conditions Reviewed
Kyosuke Hiyama, Kenichiro Takeuchi, Yuichi Omodaka, Thanyalak Srisamranrungruang
Japan Architectural Review 5 ( 1 ) 119 - 126 2022.1
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Operation of climate-adaptive building shells utilizing machine learning under sparse data conditions Reviewed International journal
Journal of Building Engineering 2021.11
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低温再生型吸着材を用いた吸着式冷凍機の開発(第4報)吸脱着モデルを用いた解析による冷水出口温度一定化の検討 Reviewed
小金井 真, 山下 哲生, 樋山 恭助, 近藤 武士, 加藤 信介
空気調和・衛生工学会論文集 46 ( 292 ) 1 - 8 2021.7
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Correlations between building performances and design parameters of double‐skin facade utilizing perforated screen Reviewed
Thanyalak Srisamranrungruang, Kyosuke Hiyama
JAPAN ARCHITECTURAL REVIEW 2021.3
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研究所新棟への移転による執務環境の改善と執務者への影響の分析 Reviewed
竹内 健一郎, 樋山 恭助, 掛上 恭
日本建築学会技術報告集 27 ( 65 ) 297 - 302 2021.2
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HIGH PERFORMANCE WINDOW SYSTEM APPLIED DYNAMIC INSULATION TECHNIQUE Reviewed
26 ( 64 ) 1007 - 1012 2020.10
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CASBEE‐Wellness Office: An objective measure of the building potential for a healthily built environment Reviewed
Tatsuya Hayashi, Kyosuke Hiyama, Ryutaro Kubo
JAPAN ARCHITECTURAL REVIEW 4 ( 1 ) 233 - 240 2020.10
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EVALUATION METHOD OF PASSIVE DESIGN ON INTEGRATIVE DESIGN PROCESS:Evaluation of natural ventilation performance applying thermal autonomy Reviewed
( 775 ) 655 - 663 2020.9
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OVERVIEW OF CASBEE-WELLNESS OFFICE DEVELOPMENT AND EVALUATION METHOD Reviewed
26 ( 63 ) 625 - 630 2020.6
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Balancing of natural ventilation, daylight, thermal effect for a building with double-skin perforated facade (DSPF) Reviewed International journal
Thanyalak Srisamranrungruang, Kyosuke Hiyama
Energy and Buildings ( 210 ) 109765 2020.1
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評価指標の選択及び透過特性が自然採光上の最適開口配置に与える影響の検証 Reviewed
樋山 恭助, 長谷川 涼太, 清野 新
日本建築学会環境系論文集 ( 764 ) 937 - 945 2019.10
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熱・換気回路網解析を用いた設計時における自然換気運用計画検討手法の提案 建物利用者及び管理者視点に立った自然換気システムの運用最適化（第1報） Reviewed
樋山 恭助, 竹内 健一郎
日本建築学会環境系論文集 ( 756 ) 161 - 170 2019.2
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低温再生型吸着材を用いた吸着式冷凍機の開発 第3報-冷却水バイパス流路による冷水出口温度一定化の検討 Reviewed
松田祐貴, 小金井真, 山下哲生, 樋山恭助, 近藤武士, 加藤信介
空気調和・衛生工学会論文集 44 ( 262 ) 15 - 21 2019.1
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Understanding the effect of background awareness in urban wind environment visualizations to minimize information entropy Reviewed
Kyosuke Hiyama, Hirotsugu Okada, Ken Matsuda
Sustainable Cities and Society 41 242 - 251 2018.8
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建築設計初期段階における目標自然換気回数地図の整備 Reviewed
樋山恭助, 温麗維
日本風工学会論文集 43 36 - 41 2018.2
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A review: Natural ventilation performance of office buildings in Japan Reviewed
Mika Nomura, Kyosuke Hiyama
RENEWABLE & SUSTAINABLE ENERGY REVIEWS 74 746 - 754 2017.7
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A method for creating maps of recommended window-to-wall ratios to assign appropriate default values in design performance modeling: A case study of a typical office building in Japan Reviewed
Liwei Wen, Kyosuke Hiyama, Makoto Koganei
ENERGY AND BUILDINGS 145 304 - 317 2017.6
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A Review: Simple Tools for Evaluating the Energy Performance in Early Design Stages International journal
Liwei Wen, Kyosuke Hiyama
Procedia Engineering 146 32 - 39 2016.6
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低温再生型吸着材を用いた吸着式冷凍機の開発(第2報)冷却水流路の逆転による吸脱着速度の調整と機器性能の効率化の検討 Reviewed
樋山 恭助, 山下 哲生, 弘中 完典, 小金井 真, 湯澤 秀樹, 杉原 義文, 近藤 武士, 加藤 信介
空気調和・衛生工学会論文集 230 21 - 25 2016.5
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Minimization of information entropy in visualization of urban architectural environment-sensitivity analysis on intuition of urban wind environment to CFD analysis outputs- Reviewed
Hirotsugu Okada, Kyosuke Hiyama, Ken Matsuda, Makoto Koganei
Journal of Wind Engineering 41 ( 2 ) 68 - 78 2016.4
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Verification of daylighting potential in perimeter zone using daylight autonomy Reviewed
Kyosuke Hiyama, Yoshinao Sato
AIJ Journal of Technology and Design 22 ( 50 ) 189 - 193 2016.2
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Rapid response surface creation method to optimize window geometry using dynamic daylighting simulation and energy simulation Reviewed
Kyosuke Hiyama, Liwei Wen
ENERGY AND BUILDINGS 107 417 - 423 2015.11
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低温再生型吸着材を用いた吸着式冷凍機の開発 第1報―試作機による基本性能の把握及び吸着材熱交換器増設の検討 Reviewed
弘中完典,小金井真, 山下哲生,湯澤秀樹,杉原義文,近藤武士,加藤信介
空気調和・衛生工学会論文集 223 2015.10
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Preliminary design method for naturally ventilated buildings using target air change rate and natural ventilation potential maps in the United States Reviewed
Kyosuke Hiyama, Leon Glicksman
ENERGY 89 655 - 666 2015.9
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Thermal Performance Evaluation of a Dynamic Insulation Technology Applied to a Timber Framework House in a Real Environment Reviewed
Aya Yaegashi, Kyosuke Hiyama, Shinsuke Kato, Junichi Tezuka, Satoshi Nikawa
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING 14 ( 1 ) 213 - 218 2015.1
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窓部におけるダイナミックインシュレーション技術の適用 第1報―熱箱及び実測による省エネ性能検証 Reviewed
河原大輔, 加藤信介, 山本哲也, 二川智吏, 朝岡幸康
空気調和・衛生工学会論文集 211 15 - 24 2014.10
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IT複合情報処理施設における外気冷房システムの研究 第2報- 加湿器の使用及び吹出温度の高温化によるエネルギー削減効果の検討 Reviewed
空気調和・衛生工学会論文集 209 21 - 31 2014.8
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The effects of thermal comfort on mere exposure effect
Matsuda Ken, Nakamoto Shunsuke, Morioka Hiroki, Hiyama Kyosuke, Goto Tomonobu, Koganei Makoto, Kusumi Takashi
Proceedings of the Japanese Society for Cognitive Psychology 2014 17 - 17 2014.7
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Dynamic insulation system applied to window frame: Basic performance evaluation using experimental house under real environment Reviewed
Kyosuke Hiyama, Daisuke Kawahara, Shinsuke Kato, Sihwan Lee, Yutaka Oura, Katsuhiko Mori, Yoshikazu Nomura, Satoshi Nikawa, Junichi Tezuka
Journal of Environmental Engineering (Japan) 79 ( 699 ) 435 - 441 2014.5
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A new method for reusing building information models of past projects to optimize the default configuration for performance simulations Reviewed
Kyosuke Hiyama, Shinsuke Kato, Masakazu Kubota, Jensen Zhang
ENERGY AND BUILDINGS 73 83 - 91 2014.4
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Study on Statistical Prediction and Design Method for Indoor Thermal Environment Reviewed
You Zhou, Kyosuke Hiyama, Shinsuke Kato, Weirong Zhang
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING 13 ( 1 ) 255 - 262 2014.1
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Impact Analysis of BIM Spread on Mechanical Design Process Based on Consciousness Survey among Japanese Mechanical Engineers Reviewed International journal
Yunting DIAO, Shisuke KATO, Makoto KOGANEI
the International Journal of High-Rise Buildings 2 ( 2 ) 97 - 104 2013.6
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Air Pollutant Dispersion Phenomena at a Street under a Sky Train Station in Bangkok, Thailand Reviewed International journal
Tomomi HOSHIKO, Tassanee PRUEKSASIT, Shinsuke KATO and Makoto KOGANEI
the International Journal of High-Rise Buildings 2 ( 2 ) .115 - .121 2013.6
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バッチ式デシカント空調システムの住宅への実装と性能評価 第1報―システム概要と冬季加湿暖房時の基本性能評価 Reviewed
空気調和・衛生工学会論文集 194 23 - 30 2013.5
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建築設備設計におけるフロントローディング実現に関する研究 ―海外動向レビューとBIM が果たす機能の考察― Reviewed
加藤信介, 挾間貴雅, 小金井真
日本建築学会関東支部 2012年度 研究発表会審査付き研究報告 129 - 132 2013.5
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Building energy simulation considering spatial temperature distribution for nonuniform indoor environment Reviewed
Weirong Zhang, Kyosuke Hiyama, Shinsuke Kato, Yoshihiro Ishida
BUILDING AND ENVIRONMENT 63 89 - 96 2013.5
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Generation of default configuration for environment simulations: Optimal building design support system utilizing reuse of BIM data Reviewed
Kyosuke Hiyama, Masakazu Kubota, Shinsuke Kato
Journal of Environmental Engineering (Japan) 78 ( 686 ) 367 - 374 2013.4
Books
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Ventilating Cities
（ Role： Joint authorLegal Regulations for Urban Ventilation）
Springer Verlag 2012.1
Presentations
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Application of Dynamic Insulation Technique to Airflow Window System International conference
Yuichi Omodaka, Kyosuke Hiyama, Thanyalak Srisamranrungruang, Yutaka Oura, Yukiyasu Asaoka
Clima 2019 2019.6 REHVA
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Practical natural ventilation performance metric based on thermal autonomy for sustainable building design International conference
75) Kyosuke Hiyama, and Liwei Wen
Clima 2019 2019.5 REHVA
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Thermal Performance Variation of Window Considering Difference between Indoor and Outdoor Temperatures International conference
Yuichi Omodaka, Kyosuke Hiyama, Yutaka Oura, Yukiyasu Asaoka
the 4th Asia Conference of International Building Performance Simulation Association - ASim2018 2018.12
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Comparison of Annual Cooling and Heating Load in Houses with and without Dynamic-Insulation Windows International conference
Masaki Ebihara, Kyousuke Hiyama, Yutaka Oura, Yukiyasu Asaoka
the 4th Asia Conference of International Building Performance Simulation Association - ASim2018 2018.12
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Optimal Facade by applying New Metrics and Materials: Maximization of Daylight Performance Using Materials with Different Transmission Properties Based on Brightness Index International conference
Ryota Hasegawa, Kyosuke Hiyama, Arata Kiyono
the 4th Asia Conference of International Building Performance Simulation Association - ASim2018 2018.12
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Performance Evaluation of City Hall as nearly Zero Energy Building in Japan International conference
Masaki EBIHARA, Kyosuke HIYAMA, Tomohisa TAKEBE, Yoshihide YAMAMOTO
Healthy Buildings 2017 Asia 2017.9
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Assigning physical property of building material to point clouds utilizing 3D laser scanner International conference
Kyosuke Hiyama, Miki Nagamoto
Healthy Buildings 2017 Asia 2017.9
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Influence of Design Conditions on the Distribution of Optimal Window to Wall Ration for a Typical Office Building in Japan International conference
Liwei Wen, Kyosuke Hiyama
Building Simulation and Optimization 2016 2016.9
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Quantitative analysis of lighting energy consumption in a room with light shelf International conference
Kyosuke Hiyama, Kentaro Miyauchi, Yoshinao Sato, Liwei Wen
World Engineering Conference and Convention 2015 (WECC2015) 2015.11
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Challenge to Produce a Lean Architectural Design Process through Student Design Competition International conference
Kyosuke Hiyama, Yshinao Sato, Kentaro Miyauchi, Liwei Wen
World Engineering Conference and Convention 2015 (WECC2015) 2015.11
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Composition of point cloud and global thermal image and its application to urban and architectural environment analysis International conference
Kyosuke Hiyama, Miki Nagamoto, Hirotsugu Okada
World Engineering Conference and Convention 2015 (WECC2015) 2015.11
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Influence of visualization parameter on the intuitive understanding of air flow fields in CFD analysis International conference
Hirotsugu Okada, Kyosuke Hiyama, Kent Matsuda, Makoto Koganei
World Engineering Conference and Convention 2015 (WECC2015) 2015.11
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Investigation of Link between Energy Consumption and New Metric, Thermal Autonomy, for Naturally Ventilated Buildings International conference
Kyosuke Hiyama, Yoshinao Sato, Liwei Wen
World Engineering Conference and Convention 2015 (WECC2015) 2015.11
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Performance Assessment of an Adsorption Refrigerator Driven by Low-temperature Waste Heat
The 25th International Symposium on Transport Phenomena 2014.11
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Investigation of Link between Air Exchange Rate and Operational Frequency of Cooling Systems to Create a Design Target for Natural Ventilation during the Early Stages of Building Design International conference
the 2nd Asia conference of International Building Performance Simulation Association-ASim2014 2014.11
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Low-Energy Effectiveness of Dynamic Insulation System for Windows
Indoor Air2014 2014.7
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Double-Skin System of Room-side Air Gap Applied to Detached House (Part 2):Simulation Analysis To Reduce Cooling Load Through Natural Ventilation In Wall International conference
Togo Yoshidomi
AIVC conference 2013 2013.9
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Double-Skin System of Room-side Air Gap Applied to Detached House (Part 1): Simulation Analysis For Reduction of Cooling Load in the Forced Ventilated Wall of Detached House International conference
Kan Lin
AIVC conference 2013 2013.9
Awards
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空気調和・衛生工学会学会賞論文賞 （技術論文部門）
2023.5 空気調和・衛生工学会
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日本建築学会賞（論文）
2022.5 日本建築学会
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空気調和・衛生工学会学会賞 功績賞
2021.5 空気調和・衛生工学会
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カーボンニュートラル大賞
2018.6 建築設備技術者協会
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空気調和・衛生工学会学会賞技術賞 （建築設備部門）
2018.5 空気調和・衛生工学会
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空気調和・衛生工学会学会賞論文賞 （技術論文部門）
2016.5 空気調和・衛生工学会
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空気調和・衛生工学会学会賞論文賞 （学術論文部門）
2014.5 空気調和・衛生工学会
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日本風工学会出版賞
2013.5 日本風工学会
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生産技術研究奨励会理事長賞
2012.12 生産技術研究奨励会
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空気調和・衛生工学会学会賞論文賞 （学術論文部門）
2012.5 空気調和・衛生工学会
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日本風工学会研究奨励賞
2009.5 日本風工学会
Research Projects
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Integration of building physics models and machine learning models through transfer learning and application to building operations
Grant number：22K04436 2022.4 - 2025.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
Grant amount：\4160000 （ Direct Cost: \3200000 、 Indirect Cost：\960000 ）
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Stabilizing natural ventilation utilizing waste heat optimized by Artificial Neutral Network
Grant number：20F20062 2020.4 - 2023.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for JSPS Fellows
Grant amount：\2300000 （ Direct Cost: \2300000 ）
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Automatic control logic utilizing sparse modeling for natural ventilation operation
Grant number：19K04741 2019.4 - 2023.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
Grant amount：\4420000 （ Direct Cost: \3400000 、 Indirect Cost：\1020000 ）
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BIM Conditions of Fair Exchange of Information for Sound Competetion
Grant number：15K14073 2015.4 - 2016.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research
KATO SHINSUKE, HIYAMA Kyosuke
Grant amount：\3900000 （ Direct Cost: \3000000 、 Indirect Cost：\900000 ）
Information Technology (IT) rationalizes manufacturing dramatically. Building Information Modeling (BIM) as such technology has been grabbing attentions in construction sector. Against this background, this research was carried out with a goal of arranging the information flow in the design and construction processes using BIM. In this work, creating an information flow which promotes strong divisional cooperation between stakeholders in construction projects has a great importance. This research output followings.1)Information detail that should be shared between cooperators.2)Information detail that should be conceals to conserve strength of divisional cooperation.3)Scopes of shared information responsibilities.4)Feedback method how to pass information from downstream to upper stream in construction projects.
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Front Loading based on Information Inheritance of Building Design Genome Utilizing Building Information Modeling
Grant number：25709051 2013.4 - 2018.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A)
Hiyama Kyosuke
Grant amount：\24440000 （ Direct Cost: \18800000 、 Indirect Cost：\5640000 ）
This research was carried out to develop a method to lead appropriate default values to implement a building performance modeling at an early stage of building design. The definition of the default values was discussed first. Then, the method to create the values was proposed. Some case studies were conducted to check the validity in the real building design. Additionally, databases of variable default values for sustainable building designs, e.g. window to wall ration for daylighting design and target air change rate for natural ventilation design, were created.
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Development of a meteorological information platform with high spatial resolution for the urban environment and disaster reduction
Grant number：24226013 2012.5 - 2017.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S)
OOKA RYOZO
Grant amount：\203840000 （ Direct Cost: \156800000 、 Indirect Cost：\47040000 ）
In this research, we have developed a multi-scale / multi-physics high resolution climate information prediction platform. The results during the research period are as follows. (1) Urban parameters were arranged using GIS as a boundary condition of the platform. (2) We carried out the atmospheric observation and made the model of the wind profile necessary for the urban design. (3) Database of turbulence statistics under various temperature stratification for high density urban area by LES was created. (4) We examined inflow turbulence generation method in LES from coarse-grained turbulence statistics. (5) In the meso-scale meteorology, we evaluated the diffusion behavior in urban areas and clarified the mechanism of the local heavy rainfall. (6) Dynamic down-scale method for connecting global climate model to meso-scale model for building heat load was established. (7) We investigated the atmospheric environment of high density urban area with high resolution by moving measurement.
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Turbulent dissipation and pollution emission of bluff body slipstream
Grant number：24360234 2012.4 - 2015.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)
KATO SHINSUKE, OOKA Ryozo, HIYAMA Kyosuke
Grant amount：\18720000 （ Direct Cost: \14400000 、 Indirect Cost：\4320000 ）
Methods to evaluate risk of health hazards by hazardous substances is developed in a cross sectional way from human scale to landscape scale. Air mixing promotion of turbulence condition which is one of characteristics in flow field is focused. Slipstream changes turbulent transition by exfoliation on the moving bluff body boundary in a steady condition. Relational expression to evaluate a turbulence field is developed from the viewpoint of assuming that bluff body virtual work rate equals to energy converted.
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Desiccant air-conditioning system with a normal pressure adsorption refrigeration cycle of household use of cogeneration
Grant number：24656332 2012.4 - 2013.3
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research
KATO Shinsuke, HIYAMA Kyosuke, OOKA Ryouzou
Grant amount：\4030000 （ Direct Cost: \3100000 、 Indirect Cost：\930000 ）
The purpose of this study is to develop a prototype of "normal pressure adsorption refrigeration cycle with desiccant air-conditioning systems for household cogeneration utilization".
In small household desiccant outside control system which is driven by two batch as solar thermal, etc. or a heat source of waste heat of the fuel cell water-air heat exchanger that was attached coating the adsorbent, this study in dry air at normal pressure obtained to develop a prototype system for the home to create a cold water spray with water, air-conditioning ventilation by the desiccant out of control and radiation cooling and heating with hot and cold water. -
Development of HVAC control logic with autonomic adjustment function
Grant number：21686055 2009 - 2011
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A)
HIYAMA Kyosuk
Grant amount：\27430000 （ Direct Cost: \21100000 、 Indirect Cost：\6330000 ）
Indoor air climate has a three-dimensional spatial distribution. However control of air-conditioning systems are usually directed by signals from limited sensors. Thus air-conditioning systems can maintain only the indoor climate at the sensor locations. Against these backgrounds, we developed an air-conditioning control system which can automatically maintain the spatial thermal distribution formed in the room. We use contribution ratio of indoor climate to predict the three-dimensional spatial distribution.
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Development of time response model for contribruattiioon climate(CRI) and its application into energy simulations
Grant number：21246089 2009 - 2011
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)
KATO Shinsuke, OOKA Ryozo, HIYAMA Kyosuke
Grant amount：\45890000 （ Direct Cost: \35300000 、 Indirect Cost：\10590000 ）
In non-uniform indoor environment, there would be a temperature distribution and complex 3-dimensional heat transfer. In this case, because the air temperature of the return air or exhaust is different from the setting temep,erathuernetwork model, which assumes a perfect mixing and does not consider the temperature distribution, is considered to be improper. In this study, we focus on the energy simulation considering temperature distribution for a period -acionrditioning system.
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建築衛生上有害真菌のマイクロ波殺菌技術の開発
Grant number：21656138 2009
日本学術振興会 科学研究費助成事業 挑戦的萌芽研究
加藤 信介, 大剛 龍三, 樋山 恭助
Grant amount：\3300000 （ Direct Cost: \3300000 ）
一般的にマイクロ波の加熱殺菌はよく知られているが、室内環境または設備を対象としても使用可能な非加熱殺菌に関して述べている事例が少ない。本研究では建築衛生上有害真菌をマイクロ波で殺菌する技術を開発する目的で基礎実験を行った。建物の空調設備は建築衛生上重要な役割を担当しているが、環境微生物(真菌や細菌)による汚染の恐れが高い。基礎実験として市販の電子レンジと同じ周波数(2.45GHz)のマイクロ波が照射できる空調ダクトモデルを作り、マイクロ波照射によるダクトの温度測定及び真菌を用いた予備実験を行った。過熱に関してはマイクロ波の出力及び照射時間によってダクトの表面温度が20℃以上上昇するが、空調機を稼働している間には2℃程度の上昇しか観察されなかった。カビセンサー(クロカビ及びスズカビの胞子を用いたセンサー)を対象とした実験では800Wで30分間照射しても殺菌効果が確認できなかった。別途に市販の電子レンジ及び細菌(Bacillus Subtilis)を用いた予備実験からマイクロ波の出力及び照射時間による殺菌効果を検証した。乾燥状態より湿潤状態での殺菌効果が高いが、表面温度も上がった。
真菌を対象としたマイクロ波の殺菌効果はマイクロ波の照射量にもよるが、高温の状態ではない限り細菌より困難である検証された。湿潤状態であると温度の上昇に従って殺菌の可能性が考えられるが、建築衛生環境では温度上昇に注意する必要がある。
建築衛生上マイクロ波の殺菌技術の適用には安全かつ建材や設備に影響がないように注意する必要がある。マイクロ波の加熱効果を精密に調整しながら真菌の殺菌技術として活用することが期待される。 -
多目的遺伝的アルゴリズムによる自然通風・省エネ・室内環境の最適化
Grant number：07J09917 2007 - 2008
日本学術振興会 科学研究費助成事業 特別研究員奨励費
樋山 恭助
Grant amount：\1900000 （ Direct Cost: \1900000 ）
建築室内環境を最適化するための実用的な計算プログラムの開発
空間の3次元空間分を考慮する必要がある解析には,換気回路網解析といったマクロモデルの適応性が低く,3次元CFD解析を用いたミクロな解析が必要となる。しかしながら,マクロモデルと比較し,計算コストは非常に高く,建物内環境の年間性能評価や設計における最適解探索プロセス等の多数ケースの計算が必要とされる検討において,計算コストの大きな3次元CFD解析をそのまま用いることは現実的ではない。
本研究では,この課題を解決する計算プログラムの基盤技術を開発した。このシミュレーション技術はまず流れ場とその流れ場に依存する熱・物質の移流・拡散現象をCED解析や実験により指標化し,速度場を除いて,他の線形に取り扱える要素は,この指標を用いて解析する。ただし,この指標はマクロモデルに組み込む事を想定し,マクロモデルにおける節点間の空気輸送性状を示す設計定数を修正し,マクロモデルにおける空間間の気流シミュレーションの精度を上げると同時に,空調制御時の作動応答や緊急時における比較的短い時間間隔の時系列変動の評価を必要とする解析に対応したものとなる。
この基盤技術を応用したシミュレーション技術は,室内の温度分布を考慮して局所換気による熱負荷削減の効果を見込む空調設計や,風の持つ運動エネルギーにより換気量を増進する通風設計等,完全混合モデルでは解析が困難な高度な環境設計における温熱環境快適性やエネルギー消費量削減効果を,従来の回路網解析と同等の解析コストで解析することを可能とするものとなる。
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