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Journal of Applied Mechanics and Technical Physics

2018 year, number 3

Model for Multiphase Fluid Flows with Interphase Interaction Taken into Account

V. A. Balashov, E. B. Savenkov
Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, Russia, 125047
Keywords: квазигидродинамическая система уравнений, многофазная гидродинамика, диффузная граница, quasi-hydrodynamic system of equations, multiphase hydrodynamics, diffuse boundary

Abstract

A quasi-hydrodynamic system of equations describing flows of a heat-conducting viscous compressible multiphase multicomponent fluid is constructed taking into account surface effects. The system was obtained by generalizing the methods of obtaining a single-phase quasi-hydrodynamic system and a multicomponent flow model taking into account the surface effects based on the concept of microforces and microstresses. The equations are derived using the Coleman-Noll procedure. The results of the calculations show that the constructed model is applicable for modeling multiphase multicomponent flows with allowance for surface effects on the interfaces.