基于Helbing模型某化学品船机舱火灾人员逃生仿真研究

Simulation of personnel escape from a certain chemical tanker engine room fire based on Helbing model

基于Helbing模型,对某型化学品船机舱火灾发生时人员逃生进行了三维数值模拟.在考虑火灾探测延时的情况下,计算了火灾综合因素影响下的逃生速度、人数与时间的变化关系.结果表明:在火场内综合因素的影响下,人员逃生速度迅速降低,并且机舱下层平台人员中尚有两人未安全逃生.根据计算结果分析该船机舱布置存在的问题,为类似化学品船的结构布置及机舱消防系统的设计提供参考.

The simulation based on Helbing model was carried out for the engine room fire personnel escape in a certain chemical tanker. Taking into account the delay of fire detection, the relationships between escape velocity, number of escaped people and time were calculated. The result shows that the escape velocity decreased with the influence of fire comprehensive factors, and there were two persons failed to escape at the lower platform. The problem of cabin structure and equipment arrangement is proposed according to the simulation, which provides an important reference for the cabin arrangement and design of fire control system.