康泉胜;赵丽丽;李振明;曹飞;

• 1:浙江工业大学安全科学与工程系

摘要(Abstract)：

采用数值模拟方法研究典型型号公交车的火灾发展过程,探讨车门打开对火情发展和人员逃生的影响。通过描述火源、公交车的结构及其内饰物的属性,研究车厢内关键位置的温度分布、能见度及CO和O2体积分数的变化规律,以揭示公交车的火灾发展、烟气运动过程及对人员安全逃生的影响。结果表明:车门打开后由于供氧充足,明显加速了火势的蔓延和烟气扩散,并使得燃烧温度显著提高;打开车门后20 s内,车门附近能见度和O2体积分数显著增高,CO体积分数有所降低,是乘客逃生的关键时间。

关键词(KeyWords)： 安全学;公交车火灾;数值模拟;火灾特性;人员逃生

Abstract:

Keywords:

基金项目(Foundation): 浙江省自然科学基金项目(LQ12E06001)

作者(Authors): 康泉胜;赵丽丽;李振明;曹飞;

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