In the present work, the two-dimensional turbulent liquid-particle flow at the particle dilute concentration around a blade-to-blade flow surface of a centrifugal impeller has been simulated by using the K-ε-Ap turbulence model, that is, the k-ε liquid turbulence model combined with the Ap algebraic particulate phase turbulence model. In the present numerical treatment, the finite volume method, based on the SIMPLEC algorithm, is applied in a body fitted coordinate system. The liquid-particle two-phase flow turbulence model used in this study can correctly predict essential features of this flow in centrifugal impellers at dilute concentrations.
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