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

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 thermo...

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Bibliographic Details
Published in:Combustion, explosion, and shock waves explosion, and shock waves, 2020-08, Vol.56 (4), p.444-453
Main Author: Yakush, S. E.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Classical Mechanics
Control
Cylindrical tanks
Dynamical Systems
Engineering
Gas pressure
Initial conditions
Liquefied gases
Phase transitions
Physical Chemistry
Physics
Physics and Astronomy
Reservoirs
Shock waves
Specific volume
Thermodynamic equilibrium
Vibration
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Summary: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.
ISSN:0010-5082
1573-8345
DOI:10.1134/S0010508220040085