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자료유형
학술대회자료
저자정보
Ohtani, Hideo (Department of Safety Engineering, Yokohama National University) Washimi, Akiko (Department of Safety Engineering, Yokohama National University) Uehara, Yoichi (Department of Safety Engineering, Yokohama National University)
저널정보
한국화재소방학회 한국화재소방학회 심포지움 및 세미나 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
발행연도
1997.1
수록면
550 - 557 (8page)

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Production of so-called Halon fire extinguishing agents has been prohibited since January 1994 because of their ozone depletion potential, To replace them, several hydrofluorocarbons and fluorocarbons have been developed and utilized. A number of studies on flame extinguishing concentrations and flammability peak concentrations of them have been done. Although there was enough information for practical purpose, more knowledge on fire extinguishing characteristics of them should be attained for efficient use of them. In this study, peak concentrations of methane/air mixtures with gaseous halogenated hydrocarbons were measured at elevated temperature, because the former studies were done at room temperature and temperature of a fire room can be higher than usual. Measurement was done at $200^{\circ}C$, because measuring system could not endure higher temperature. This study revealed that peak concentrations of halogenated hydrocarbons differed little at elevated temperature. The halogenated hydrocarbons have almost the same fire extinguishing ability as Halon 1301.

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