Heat and Mass Transfer and Physical Gasdynamics

Two-Fluid Hydrodynamic Model of Bubble Flow

B. L. Kantsyrev^a, A. A. Ashbaev<sup>b

a</sup> All-Russian Scientific Research Institute for Nuclear Power
^b Osh Technological University

Abstract: A computational model of unsteady-state two-fluid flow is proposed on the basis of a set of momentum and continuity equations, which corresponds to one-dimensional flow of a gas-liquid mixture with barotropic components. The model takes into account the Zuber-Findlay relation [1] and includes solutions to the Cauchy problem that are close to the solutions to the drift model. The associated-mass effect on solutions to the characteristic equation corresponding to this model is investigated. It is shown that the associated-mass effect has a pronounced impact on the acoustic characteristics of the set of equations.

UDC: 532.54:532.529.5

Received: 27.12.2000

 English version: High Temperature, 2002, 40:1, 92–99

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