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4.14 An Investigation of Unsteady Flashing Water Outflow on Pipe Rupture

DOI: 10.1615/ICHMT.1982.AdvCourHeatTransfNucReactSaf.500
pages 777-786

Yu. V. Rzheznikov
All-Union Heat Engineering Institute, Moscow, USSR

M. S. Indurskiy
All-Union Heat Engineering Institute, Moscow, USSR

L. I. Kan
All-Union Heat Engineering Institute, Moscow, USSR

M. M. Ghilinskiy
The Institute of Mechanics, Moscow State University, Moscow, USSR

Abstract

A nonstationary problem on an axisymmetrical equilibrium homogenous flashing water outflow, e.g. in case of pipe rupture, is stated. Formulae accurate and suitable enough for calculations are suggested to approximate relations among medium state parameters. In a computer program Godunov's numerical algorithmic diagram has been used. A calculation is furnished as an illustration. Experiments have been carried out with flashing water outflow from a vessel through a 10 mm bore tube, which was being ruptured. The tube movement after the rupture was close to that obtained by calculation.

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