Rapid phase transitions occurring with a sharp increase in a specific volume can be accompanied by explosive gas-dynamic phenomena. A model is presented for calculating shock waves generated in the atmosphere during an explosion of a liquid gas pressure reservoir, based on the assumption of a thermodynamically equilibrium state of a vapor–liquid mixture in which both vapor and liquid have equal velocities and are in a state of saturation at local pressure. The spherically symmetric expansion of a boiling liquid cloud is calculated, pressure profiles under various initial conditions are compared, and the primary shock wave parameters are validated according to the results of available experimental data. Two-dimensional calculations of shock waves during the fracture of a cylindrical tank near the underlying surface at various degrees of filling are presented.

中文翻译：

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液化气压力储层爆炸冲击波的计算

随着比体积急剧增加而发生的快速相变可能伴随爆炸性气体动力学现象。基于气液混合物的热力学平衡状态的假设，其中蒸气和液体具有相同的速度并处于一个状态，提出了一个模型来计算在液化气压力储层爆炸期间在大气中产生的冲击波。局部压力下的饱和状态。计算了沸腾液体云的球对称膨胀，比较了各种初始条件下的压力分布，并根据可用实验数据的结果验证了一次冲击波参数。