室内泄漏燃气浓度分布的一个量级估算方法  

A MAGNITUDE ORDER ESTIMATION METHOD FOR FORECASTING CONCENTRATION DISTRIBUTION OF INDOOR EXPLOSION GAS

作　　者：陈力[1] 李德聪[1] 丁雁生[1] 

机构地区：[1]中国科学院力学研究所工程科学部,北京100190

出　　处：《力学与实践》2008年第5期82-85,共4页Mechanics in Engineering

摘　　要：在对室内液化石油气泄漏流动过程进行量级估算分析的基础上,提出了一种预测室内泄漏液化石油气浓度分布的简化方法.并结合一次居民室内液化气爆炸事故,讨论了此方法在实际应用中的简易可行性.In this paper, by analyzing the order of magnitude, the flow process of the leaking LPG is simplified into three independent sub-processes, including the process of LPG sedimentation to floor; spreading to other room and diffusing to roof, then a simplified method for forecasting concentration distribution of indoor explosion gas is put forward. The feasibility and simplicity of this method are discussed by applying it to analyzing an actual LPG explosion hazard.

关 键 词：燃气浓度分布 量级估算方法 液化石油气 非均布燃气爆炸 

分 类 号：X928.7[环境科学与工程—安全科学] TQ051.13[化学工程]