ガス分析に基づく火災区画内の流量測定

DOI Web Site 被引用文献1件 参考文献3件

書誌事項

タイトル別名
  • MEASUREMENT OF MASS FLOW RATE IN FIRE COMPARTMENT BASED ON GAS ANALYSIS
  • A study of smoke behavior in a compartment with sprinkler system activation Part 1
  • スプリンクラー設備作動時の区画内煙性状 その1

抄録

Sprinklers generate a jet of downward moving gases from smoke in the upper layer of a two-layer zone within a compartment. It is necessary to determine quantitatively the jet of downward-moving gases and fire plume in order to calculate smoke behavior in a compartment with sprinkler activation. This study proposes a measurement technique of mass flow rate based on the gas analysis method since it is difficult to understand through conventional methods. Experiments were conducted on a full scale and the following results were obtained: the fire plume grows with sprinkler activation and a jet of downward-moving gases grows as the heat release rate decrease and the amount of sprinkler supplied water increases.

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