渦法によるスリットノズル固気二相噴流の数値シミュレーション

概要

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Slit nozzle gas-particle two-phase jet is numerically simulated by a vortex method, which has been proposed for gas-solid two-phase free turbulent flow by the current authors in a prior paper. The method can take account of the interaction between the two phases by calculating the behavior of the particle and the vortex element of gas-phase through the Lagrangian approach. The mean velocities and turbulent intensities of the two phases are in good agreement with the measured values. The effects of the particle on the velocity decay and momentum diffusion of the gas-phase are also favorably compared with the measurement. These indicate the applicability of the present vortex method to the gas-particle two-phase jet.
日本混相流学会の論文