Abstract
This paper proposes a two-dimensional numerical method for gas-particle two-phase free turbulent flow based on a vortex in cell method. The method simultaneously calculates the behavior of vortex element and the particle motion by the Lagrangian approach. The change in the vorticity of the vortex element owing to the particle is simulated through the algorithm for a vortex method proposed by the authors in the prior study. The present method is also applied to calculate a gas-particle two-phase plane mixing layer. It is found that the method allows the calculation with less CPU time than the vortex method. The gas flow field and the particle motion are favorably compared with those simulated by using the vortex method.
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