Calculation of Shock Waves in an Explosion of a Liquid Gas Pressure ReservoirстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 30 декабря 2020 г.
Аннотация:Rapid phase transitions occurring with a sharp increase in a specific volume can beaccompanied by explosive gas-dynamic phenomena. A model is presented for calculating shockwaves 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.