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客运车辆火灾轰燃条件仿真研究

雷兵 王清远 刘应清

雷兵, 王清远, 刘应清. 客运车辆火灾轰燃条件仿真研究[J]. 西南交通大学学报, 2008, 21(2): 182-186.
引用本文: 雷兵, 王清远, 刘应清. 客运车辆火灾轰燃条件仿真研究[J]. 西南交通大学学报, 2008, 21(2): 182-186.
LEI Bing, WANG Qingyuan, LIU Yingqing. Simulation of Flashover Conditions in Passenger Vehicles[J]. Journal of Southwest Jiaotong University, 2008, 21(2): 182-186.
Citation: LEI Bing, WANG Qingyuan, LIU Yingqing. Simulation of Flashover Conditions in Passenger Vehicles[J]. Journal of Southwest Jiaotong University, 2008, 21(2): 182-186.

客运车辆火灾轰燃条件仿真研究

详细信息
    作者简介:

    雷兵(1964- ),男,讲师,博士.研究方向为火灾模拟与防治,E-mail:leienl@126.com

Simulation of Flashover Conditions in Passenger Vehicles

  • 摘要: 基于能量平衡方程建立了热烟气层轰燃模型,经量纲归一化和微分同胚变换,得到属于燕尾突变的势函数.研究了客运车辆火灾的系统控制变量和工况条件的关系.控制变量的突变分叉集空间将火灾分为轰燃区和非轰燃区.在轰然区,可利用势函数的特性曲线和微商图得出火灾的不稳定点,再由不稳定点取值计算轰燃发生时热烟气层的温度.车辆火灾算例表明,车厢内部发生轰燃时的热烟气层平均温度为898.3 K,与实测的数值吻合较好.

     

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出版历程
  • 收稿日期:  2007-01-10
  • 刊出日期:  2008-04-25

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