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首页> 外文会议>The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)论文集 >Numerical Simulation and Comparison between Different Ventilation Strategies of Vehicle Fire in Subway Station
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Numerical Simulation and Comparison between Different Ventilation Strategies of Vehicle Fire in Subway Station

机译：地铁车站车辆火灾不同通风策略的数值模拟与比较

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摘要

Two typical ventilation strategies designed for emergency were simulated in three dimensional by numerical method of computational fluid dynamic with Renormalization Group k-ε turbulence model. Temperature field and air velocity in platform and tunnel of each strategy was achieved, as well as smoke distribution. Push-pull and all-exhaust ventilation strategies were evaluated fbr removing heat and smoke. It is shown that emergency fan is not sufficient to obtain enough visibility without UPE and OTE system when fire occurs at the head of subway train. The necessity of UPE and OTE system is improved. The application of numerical simulation method in design of environment control system of metro station is evaluated.
机译：采用重归一化组k-ε湍流模型，通过计算流体动力学数值方法，对二维设计的两种典型的紧急通风策略进行了三维模拟。实现了每种策略的平台和隧道内的温度场和风速，以及烟气的分​​布。对推拉和全排气通风策略进行了评估，以消除热量和烟雾。结果表明，在地铁列车头部发生火灾时，如果没有UPE和OTE系统，应急风扇不足以获得足够的视野。 UPE和OTE系统的必要性得到了改善。评价了数值模拟方法在地铁车站环境控制系统设计中的应用。

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