Numerical simulation of oscillations of a monodisperse gas-particle mixture in a nonlinear wave field |
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Authors: | A L Tukmakov |
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Institution: | (1) Department of Theoretical Mechanics, Novosibirsk State University of Architecture and Civil Engineering, Novosibirsk, Russia |
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Abstract: | This paper presents a numerical simulation procedure for the dynamics of a monodisperse gas-particle mixture in the nonlinear
wave field of an acoustic resonator using a two-temperature two-velocity model ignoring phase transitions, particle collision,
and possible coagulation. It is assumed that viscosity is present only in the carrier medium described by the Navier-Stokes
equations for a compressible gas. The dispersed phase is described by the equation of conservation of mass, momentum, and
energy. A monotonic solution is obtained by solving the equations of motion for the carrier medium and dispersed phase in
generalized moving coordinates using the explicit McCormack method with splitting in the spatial directions and a conservative
correction scheme. The method can be used to study nonlinear oscillations of two-phase mixtures in the vicinity of the first
three eigenfrequencies in a flat channel. |
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Keywords: | |
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