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市街地火災に於ける風下側の熱気流性状の予測に関する研究

Research Project

Project/Area Number 11480101
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Natural disaster science
Research InstitutionKYOTO UNIVERSITY

Principal Investigator

TANAKA Takeyoshi  Kyoto University, Disaster Prev. Research Inst., Professor, 防災研究所, 教授 (70293959)

Co-Investigator(Kenkyū-buntansha) ISHIKAWA Hirohiko  Kyoto University, Disaster Prev. Research Inst,. Associate Professor, 防災研究所, 助教授 (60263159)
MARUYAMA Takashi  Kyoto University, Disaster Prev. Research Inst., Associate Professor, 防災研究所, 助教授 (00190570)
Project Period (FY) 1999 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥13,500,000 (Direct Cost: ¥13,500,000)
Fiscal Year 2001: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 2000: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 1999: ¥8,800,000 (Direct Cost: ¥8,800,000)
Keywordsurban fire / building fire model / urban fire spread model / wind tunnel test / high temperature flow / k-ε turbulent model / simultaneous measuring of wind speed and temperature / 建物延焼モデル / 高温熱気流場 / 風下側熱気流 / 建物火災モデル / 乱流モデル / 地境界層
Research Abstract

There are several models that have been developed for simulating the spread of fire in cities. The earliest one of these models expressed the speed of fire spread as a function of wind velocity and average building-to-building distance, which was constructed statistically based on the investigations of urban fire incidents in the past. Another took into account fire resistance performance of houses. All of these models are basically regarded as empirical models. However, the conditions of urban areas have significantly changed since the model was first established. It is doubtful that the fire damage in contemporary cities could rationally be assessed through the use of these models. Here we tried to develop a system for fire forecasting and damage prediction based on the Physical Model. This new model should be able to account for the interaction between burning houses and the wind flow over a city, because strong winds are known to be a major cause to enlarge the damaged area. Our experimental study using simultaneous measuring of wind speed and temperature seeks to understand the characteristics of the high temperature field behind a fire in the turbulent boundary layer and to obtain the verification data for the numerical simulations. We also reviewed the turbulent model for the numerical simulations of high temperature flow fields. The physically based building fire model and the urban fire spread model are established for the prediction of the urban fire. Using these methods, some sample calculations have been carried out and examined the estimation of the hazard to evacuation due to wind-blown fire flows.

Report

(4 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • 1999 Annual Research Report
  • Research Products

    (24 results)

All Other

All Publications (24 results)

  • [Publications] 丸山 敬, 田中哮義: "乱流境界層内の高温熱流場の気流・温度性状に関する実験的研究"京都大学防災研究所年報. 第44号B-1. 147-157 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 丸山 敬, 田中哮義: "二次元火炎後流の熱気流性状に関する実験的研究"日本建築学会大会学術講演梗概集. 227-228 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 樋本圭祐, 田中哮義: "市街地火災延焼予測のための複数室建物燃焼モデルの研究"平成13年度 研究発表概要集 日本火災学会. 平成13年度. 112-115 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 中尾美穂, 田中哮義: "都市火災避難時における危険度の推定手法に関する研究"平成13年度 研究発表概要集 日本火災学会. 平成13年度. 292-295 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] HIMOTO, keisuke, TANAKA, Takeyoshi: "A Physically-based For Urban Fire Spread"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] NAKAO, Miho, TANAKA, Takeyoshi: "Study on the Estimation of the Hazard to Evacuation due to Wind Blown Fire Flow"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takashi Maruyama and Takeyoshi Tanaka: "Experimental study on the high temperature wind characteristics behind a 2D flame in the turbulent boundary layer"Annuals of the Disaster Prevention Research Institute Kyoto University. No.44 B-1. 89-94 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takashi Maruyama and Takeyoshi Tanaka: "Experimental study on the high temperature wind characteristics behind a 2D flam"Summaries of technical papers of annual meeting architectural institute of Japan. A-2. 227-228 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] HIMOTO, keisuke and TANAKA: "A Multi-Room Building Fire Model to be incorporated into Urban Fire Spread Prediction"Annual Meeting of Japan Association for Fire Science and Engineering Proceedings. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] NAKAO, Miho and TANAKA, Takeyoshi: "Study on the Estimation of the Hazard to Evacuation Due to Wind-blown Fire Flow Induced by Urban Fire"Annual Meeting of Japan Association for Fire Science and Engineering Proceedings. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] HIMOTO, keisuke and TANAKA, Takeyoshi: "A Physically-based For Urban Fire Spread"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] NAKAO, Miho and TANAKA, Takeyoshi: "Study on the Estimation of the Hazard to Evacuation due to Wind Blown Fire Flow"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] 丸山 敬, 田中哮義: "乱流境界層内の高温熱流場の気流・温度性状に関する実験的研究"京都大学防災研究所年報. 第44号B-1. 147-157 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 丸山 敬, 田中哮義: "二次元火炎後流の熱気流性状に関する実験的研究"日本建築学会大会学術講演梗概集. 227-228 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 樋本圭祐, 田中哮義: "市街地火災延焼予測のための複数室建物燃焼モデルの研究"平成13年度 研究発表概要集 日本火災学会. 平成13年度. 112-115 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 中尾美穂, 田中哮義: "都市火災避難時における危険度の推定手法に関する研究"平成13年度 研究発表概要集 日本火災学会. 平成13年度. 292-295 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] HIMOTO, keisuke, TANAKA, Takeyoshi: "A Physically-based For Urban Fire Spread"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] NAKAO, Miho, TANAKA, Takeyoshi: "Study on the Estimation of the Hazard to Evacuation due to Wind Blown Fire Flow"Fire Safety Science, Proc. of 7th International Symposium. (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Tanaka,T.: "Investigation into Rise Time of Buoyant Fire Plume Fronts"International Journal on Engineering Performance-Based Fire Code. Vol.2,No1. 14-25 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Tanaka T.: "In vestigations Into Flow Rates of Opening Jet Plumes from A Fire Space"Fire Safety Science The 6^<th> International Symposium. (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Maruyama: "On the Influence of Turbulence Characteristics at an Inlet Boundary for Large Eddy Simulation of a Turbulent Boundary Layer"Engineering Turbulence Modelling and Experiments. No.4. 217-226 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 丸山勇祐,丸山敬: "人工的に生成した変動風を流入条件とする LES による直方体周りの乱流場の数値計算"日本建築学会構造系論文報告集. 第520号. 37-43 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Ishikawa H.et al.: "Summary of Planetary Boundary Layer Observationin GAME"Tibet, Proceedings of the 1st International workshop on GAME-Tibet. 69-72 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Ishikawa H.,T.Hayashi,K.Tanaka et al.: "Summary of the Planetary Boundary Layer Observation of GAME Tibet"Preprint of the third international scientific conference on the global energy and water cycle. 87-92 (1999)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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