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浙江大学学报(工学版)
浙江大学学报(工学版)
化学工程     
加氢站高压氢气泄漏爆炸事故模拟及分析
李静媛, 赵永志, 郑津洋
浙江大学 化工机械研究所,浙江 杭州 310027
Simulation and analysis on leakage and explosion of high pressure hydrogen in hydrogen refueling station
LI Jing-yuan, ZHAO Yong-zhi, ZHENG Jin-yang
Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China
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摘要：

运用基于计算流体动力学的FLACS软件模拟上海世博加氢站内高压储氢气瓶发生泄漏并引发爆炸的情况,研究不同环境风速对高压氢气泄漏爆炸事故的影响规律.结果表明：基于FLACS的模拟方法,能够实现高压氢气泄漏爆炸事故全过程的模拟,对爆炸超压波进行实时的三维展示；爆炸强度随障碍区域拥塞度和环境风速的增大而显著增强,危害距离随环境风速的增大呈先减小后增大的趋势.对比危害距离模拟值与经验公式计算值可以发现,计算值略高于模拟结果,经验公式偏保守.
Abstract:

FLACS software based on computational fluid dynamics approach was used for simulation and analysis on the leakage and explosion of high pressure hydrogen storage cylinder in the Shanghai World Expo hydrogen refueling station. The effect of wind speed was analyzed. The whole process of leakage and explosion accident was successfully simulated by FLACS, and the real time three-dimensional display of over-pressure wave was given. Results showed that the explosion intension significantly increased when congestion of obstacle region and wind speed increased. Hazard distance first decreased and then increased when the wind speed increased. The calculation value of hazard distance obtained by empirical formula was slightly higher than the simulation results．
出版日期: 2015-09-10
:  TU 411  
基金资助:

国家”863”高技术研究发展计划资助项目（2012AA051504）；国家自然科学基金资助项目（51206145）
通讯作者: 赵永志, 男, 副教授     E-mail: yzzhao@zju.edu.cn
作者简介: 李静媛(1990-), 女, 硕士生, 从事氢安全的研究. E-mail：li101590@126.com
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李静媛, 赵永志, 郑津洋. 加氢站高压氢气泄漏爆炸事故模拟及分析[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.07.026.

LI Jing-yuan, ZHAO Yong-zhi, ZHENG Jin-yang. Simulation and analysis on leakage and explosion of high pressure hydrogen in hydrogen refueling station. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.07.026.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.07.026    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I7/1389

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