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Thermophysics and Aeromechanics

2013 year, number 4

An increase of liquid pressure in enclosure under thermal effect through walls

V.Sh. Shagapov1 and Yu.A. Yumagulova2
1 Institute of Mechanics of the Ufa Scientific Center of RAS
2 Birsk branch of the Bashkir State University
Keywords: pressure increase, thermal expansion, vaporization

Abstract

The problem of pressure increase at a thermal effect through a non-deformable wall on a liquid filling an enclosure is considered. The solutions are obtained for the cases of the plane, radially symmetric, and spherically symmetric problem statements, which describe the pressure variation due to thermal expansion and phase transitions. The influence of the initial liquid state and the enclosure shape on the pressure variation pace are analyzed.