Thermal sensitivity simulation of wet-type fire suppression sprinkler system

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標題:	Thermal sensitivity simulation of wet-type fire suppression sprinkler system
作者:	Chung-Hwei Su Sheng-Hung Wu Sun-Ju Shen Chi-Min Shu
貢獻者:	職業安全衛生系
關鍵字:	Automatic fire sprinkler system Sprinkler head FDS (fire dynamics simulator) Response time index Heat transfer coefficient
日期:	2009-08-12
上傳時間:	2012-02-23 15:13:57 (UTC+8)
摘要:	An automatic fire sprinkler system is an effective fire extinguishing system in the external fire condition. This study analyzed the thermal sensitivity of a sprinkler head with natural convection flow, and evaluated the capacity of equipment. FDS (fire dynamics simulator) was employed to calculate and to simulate the response time index of an automatic fire sprinkler system with various locations that included distance from the fire source (about 1.0, 2.1, 2.3, 2.6 m), and distance below the ceiling (about 10, 20, 30 cm), etc. The results showed a sprinkler head installed at different locations led to various reaction developments. Nevertheless, the speed of the air stream and a heat transfer coefficient changed under fire situation that influenced the action time of an automatic fire sprinkler system. The sprinkler head needed to be set up below the ceiling about 10 cm distance. The simulation information was necessary and useful to the user as accuracy concept in industries or residential areas.
關聯:	International Conference on Sustainable Energy and Environmental Protection (SEEP2009)，起迄日：2009/8/12~2009/8/15，地點：Dublin
显示于类别:	[職業安全衛生系(含防災所)] 會議論文

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