受限空间竖向开口流动理论与模拟研究

Study and Simulation of Flow Theory of Limited Opening Space Vertical

导出

摘要通过火灾烟气质量、能量守恒定律及理想气体状态方程,求解受限空间竖向开口中性层位置及通过开口的气体质量流率表达式,分析影响烟气开口流动因素,并运用FDS进行数值模拟。结果表明,着火房间热释放速率、开口宽度及高度、房间尺寸等均影响烟气层温度、高度及烟气开口流动;理论中性面位置较FDS模拟结果偏高。

作者刘洪义宁湘钢张奇志钮佳丽刘顶立

机构地区湖南省邵阳市消防支队

出处《中外建筑》 2014年第12期114-115,共2页 Chinese & Overseas Architecture

关键词受限空间竖向开口烟气流动中性层FDS

参考文献7

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中外建筑

2014年第12期

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