【摘 要】
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This paper deals with the numerical simulation of gas-solid two-phase flows in an Eulerian-Lagrangian scheme.The particle tracks are calculated using a recently
【机 构】
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State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074
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This paper deals with the numerical simulation of gas-solid two-phase flows in an Eulerian-Lagrangian scheme.The particle tracks are calculated using a recently developed exponential Lagrangian scheme, and the approach presently used for the computation of fluid phase is based on a modified Lattice-BGK model. Different from earlier publications,the present study employs a two-way coupling mechanism to handle the interactions between carrier phase and dispersed phase in the model. This new model is applicable to simulating gas-solid two-phase flows. For example, based on the scheme, we have recaptured some phenomena of planar laminar particle-laden flow over a backward-facing step in this research, and found a new interesting phenomenon.
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