Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion

CIESC Journal ›› 2010, Vol. 18 ›› Issue (1): 164-169.

Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion

庞磊, 张奇

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

收稿日期:2009-06-17 修回日期:2009-10-16 出版日期:2010-02-28 发布日期:2010-12-30
通讯作者: PANG Lei, E-mail: panglei0525@163.com
作者简介:
基金资助:
Supported by the National Natural Science Foundation of China(10772029);the Ph.D Programs Foundation of Ministry of Education of China(20050007029);the Independent Research Subject of State Key Laboratory of Explosion Science and Technology(ZDKT08-02)

Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion

PANG Lei, ZHANG Qi

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

Received:2009-06-17 Revised:2009-10-16 Online:2010-02-28 Published:2010-12-30
Supported by:
Supported by the National Natural Science Foundation of China(10772029);the Ph.D Programs Foundation of Ministry of Education of China(20050007029);the Independent Research Subject of State Key Laboratory of Explosion Science and Technology(ZDKT08-02)

摘要/Abstract

摘要： In order to analyze the influence of vapor cloud shape on temperature field effect of unconfined vapor cloud explosion(UVCE) and obtain creditable prediction method of explosion temperature effect,the transient temperature fields of cylindrical and hemispherical UVCEs with same methane concentration and mass were numerically studied by computational fluid dynamics(CFD) technology.According to numerical simulation results, the concepts of UVCE's temperature-near-field and temperature-far-field were proposed,the corresponding ranges were given,and the temperature attenuation laws and differences in corresponding regions with different vapor cloud shapes were presented.Through comparing with Baker fireball model,the accuracy and visualizability in acquisition of entire temperature effect based on numerical simulation were further validated.The functional relations among maximum temperature,horizontal distance,initial temperature and vapor cloud mass in temperature-near-field and temperature-far-field were deduced by means of data fitting,respectively.These conclusions provided quantitative basis for forecast and protection of UVCE disaster.

关键词: unconfined vapor cloud explosion, fireball injury, temperature field, numerical simulation, safety evaluation

Abstract: In order to analyze the influence of vapor cloud shape on temperature field effect of unconfined vapor cloud explosion(UVCE) and obtain creditable prediction method of explosion temperature effect,the transient temperature fields of cylindrical and hemispherical UVCEs with same methane concentration and mass were numerically studied by computational fluid dynamics(CFD) technology.According to numerical simulation results, the concepts of UVCE's temperature-near-field and temperature-far-field were proposed,the corresponding ranges were given,and the temperature attenuation laws and differences in corresponding regions with different vapor cloud shapes were presented.Through comparing with Baker fireball model,the accuracy and visualizability in acquisition of entire temperature effect based on numerical simulation were further validated.The functional relations among maximum temperature,horizontal distance,initial temperature and vapor cloud mass in temperature-near-field and temperature-far-field were deduced by means of data fitting,respectively.These conclusions provided quantitative basis for forecast and protection of UVCE disaster.

Key words: unconfined vapor cloud explosion, fireball injury, temperature field, numerical simulation, safety evaluation

庞磊, 张奇. Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion[J]. CIESC Journal, 2010, 18(1): 164-169.

PANG Lei, ZHANG Qi. Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion[J]. , 2010, 18(1): 164-169.

参考文献

1 Oggero, A.O., Darbra, R.M., “A survey of accidents occurring during the transport of hazardous substances by road and rail”, Journal of Hazardous Materials, A133 (1), 1-7 (2006).
2 Bi, M.S., Wang, S.L., Ding, X.W., “Experimental study on explosion pressures of unrestricted gas cloud explosions”, Journal of Chemical Industry and Engineering (China), 52 (1), 68-71 (2001). (in Chinese)
3 Yang, G.G., Xue, D.L., “Simulation and experimental study onunconfined flammable vapor cloud explosion”, Chemical Engineer, 7, 17-19 (2007). (in Chinese)
4 Jing, G.X., Qiao, K.H., Wang, Z.J., “The fireball effect of injury in gas explosion”, Industrial Safety and Environmental Protection, 35 (3), 37-38 (2009). (in Chinese)
5 Bi, M.S., Ding, X.W., Wang, S.L., “Numerous simulation of semispherical flammable gas cloud explosion”, Natural Gas Industry, 23 (4), 86-89 (2003). (in Chinese)
6 Bi, M.S., Yao, M., “Explosion impulse of spherical vapor cloud built-in barriers”, Chinese Journal of Energetic Materials, 14 (1), 8-11 (2006). (in Chinese)
7 Xu, S.L., Mi, Z.C., Tang, M.J., “Numerical simulation of blast generated by unconfined volume cloud explosion”, Journal of Nanjing University of Science and Technology, 5, 1-7 (1994). (in Chinese)
8 Luo, Z.H., Zhan, X.L., Ding, X.W., “Experimental investigation into deflagration of small-volume combustible vapour clouds”, Journal of Zhejiang University (Engineering Science), 36 (1), 105-108 (2002). (in Chinese)
9 Jerketvedt, D.B., Bakke, J.R., Wingerden, K.V., “Gas explosion handbook”, Journal of Hazardous Materials, 52 (1), 1-150 (1997).
10 Yang, G.G., Yue, D.T., Bi, M.S., “Experimental and numerical study on cylindrical flammable gas cloud explosion”, Journal of Chemical Industry and Engineering (China), 59 (11), 2954-2959 (2008). (in Chinese)
11 Yu, D.M., Feng, C.G., Zeng, Q.X., “Thermal radiation damage criteria and pool fire damage radius”, China Safety Science Journal, 6 (2), 5-10 (1996). (in Chinese)
12 He, Z.G., Chen, W.H., Peng, J.H., “Study on fireball temperature and thermal radiation effect of twice FAE”, Journal of Safety and Environment, 4, 183-185 (2004). (in Chinese)
13 Kan, J.L., Liu, J.C., Zeng, X.L., “Fireball characteristics of a thermal-baric Explosive”, Chinese Journal of Explosives & Propellants, 30 (2), 55-58 (2007). (in Chinese)
14 Jiang, W.W., Li, Q., Li, J.J., “The introduction of the BLEVE fireball thermal radiation and its impact assessment model”, Industrial Safety and Environmental Protection, 33 (5), 23-24 (2007). (in Chinese)
15 Wang, S.M., Jiang, J.C., “Studies on mechanism and correlative theoretic models of boiling liquid expending vapor explosion”, Industrial Safety and Environmental Protection, 27 (7), 30-34 (2001). (in Chinese)
16 Baker, W.E., Cox, P.A., Westine, P.S., Kulesz, J.J., Strehlow, R.A., Explosion Hazards and Evaluation, Elsevier Scientific Publishing Company, New York (1983).
17 Guo, X.Y., Li, B., Xie, L.F., “Study on thermal damage of thermobaric explosive”, Chinese Journal of Explosives & Propellants, 31 (1), 16-19 (2008). (in Chinese)
18 Guo, X.Y., Li, B., Wang, L.J., “Measurement of blast temperature field and study of thermal radiation effect for thermo-baric explosive”, Journal of Projectiles, Rockets, Missiles and Guidance, 28 (5), 119-124 (2008). (in Chinese)

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Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion

Influence of Vapor Cloud Shape on Temperature Field of Unconfined Vapor Cloud Explosion

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