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采用蒙特卡罗模拟法对液氨泄漏蒸气云爆炸过程中泄漏源参数的不确定性进行分析,并用Matlab数值计算软件绘出距爆炸中心一定范围内发生各级人员伤害风险的概率曲线图,通过该图可以直观地看出液氨泄漏蒸气云爆炸事故后果的影响范围以及冲击波在一定范围内对人体伤害不同等级发生的概率,这对于定量评估液氨蒸气云爆炸事故风险具有重要意义。
The Monte Carlo simulation method is used to analyze the uncertainty of the leakage source parameters during the liquid ammonia leak steam cloud explosion. The probability curve of the injury risk at all levels within a certain range from the explosion center is drawn by Matlab numerical calculation software. The figure can visually see the impact of the liquid ammonia leakage vapor cloud explosion consequences of the impact range and the shock wave in a certain range of human injury at different levels of probability, which is quantitatively assess the risk of liquid ammonia vapor cloud explosion is of great significance.