储罐爆炸事故碎片抛射距离简易预测模型  

A simple prediction model for the flight distance of fragments in storage tank explosions

作　　者：朱明辉 武成杰 ZHU Ming-hui;WU Chen-jie(Institute of NBC Defence,PLA ARMY,Beijing 102205,China)

机构地区：[1]中国人民解放军陆军防化学院,北京102205

出　　处：《消防科学与技术》2022年第6期763-766,共4页Fire Science and Technology

摘　　要：为合理确定液化石油气储罐爆炸事故中爆炸碎片的抛射范围,基于动力学原理和理论分析构建了爆炸碎片抛射距离预测模型,并借鉴某液化石油气爆炸事故案例有关数据进行数值模拟和验证分析。结果表明:模型预测值与事故数据及前人的Monte Carlo数值模拟结果较为吻合,模型对于球罐和柱形储罐爆炸事故都具有很好的适用性。该模型可快速便捷地预测爆炸碎片的危害范围,预测结果可为应急部门救援决策提供技术支持,同时也可为石油化工园区规划建设及风险管控提供理论依据。In order to determine the flight distance of fragments in the explosion accident by liquefied petroleum gas storage tank, the prediction model for the flight distance of fragments in explosion was built based on dynamic principle and theoretical analysis.The numerical simulation and verification analysis were also carried out according to the data from some LPG explosion accident cases. The results show that the predicted values of the model are consistent with the accident data and the previous results of Monte-Carlo numerical simulation, and the model has good applicability to explosion accidents of spherical tank and cylindrical tank. The model can quickly and conveniently predict the damage range of the fragments in explosion.The prediction results can provide technical support for emergency departments to make rescue decisions, and it can also provide theoretical basis for the planning, construction and risk control of petrochemical parks.

关 键 词：沸腾液体膨胀扩展蒸气爆炸 碎片 初始动能 抛射速度 抛射距离 

分 类 号：X932[环境科学与工程—安全科学]