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室内火灾危险性分析

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2011-07-15

Journal: 消防科学与技术

Included Journals: ISTIC、PKU

Volume: 30

Issue: 7

Page Number: 602-604

ISSN: 1009-0029

Key Words: FDS;火源位置;烟气层;火灾危险性

Abstract: 利用FDS软件模拟火源在室内不同位置处火灾的危险性,分析火源在不同位置时室内烟气层的温度、氧气体积分数及烟气层高度的变化规律.模拟结果表明:火源在门开口径向方向时,室内1.5 m高度以下空间的烟气层温度较高,氧气体积分数较低,而1.5 m以上情况相反;火源位置距离开口越近,烟气层高度越低,危险性越大.

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