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Calculation of Shock Waves in an Explosion of a Liquid Gas Pressure Reservoir

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

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.

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  1. Institute for Problems in Mechanics, Russian Academy of Science, 119526, Moscow, Russia

    S. E. Yakush

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Yakush, S.E. Calculation of Shock Waves in an Explosion of a Liquid Gas Pressure Reservoir. Combust Explos Shock Waves 56, 444–453 (2020). https://doi.org/10.1134/S0010508220040085

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