Step 3: Models

Models

1.   Enable the Eulerian multiphase model.

Models Multiphase Edit...

(a)   Select Eulerian in the Model list.

(b)   Retain the default setting of 2 for Number of Eulerian Phases.

(c)   Click OK to close the Multiphase Model dialog box.

2.   Enable the $k$- $\epsilon$ turbulence model with standard wall functions.

Models Viscous Edit...

(a)   Select k-epsilon (2 eqn) in the Model list.

(b)   Retain the selection of Standard Wall Functions in the Near-Wall Treatment list.

  This problem does not require a particularly fine mesh hence, standard wall functions can be used.

(c)   Select Dispersed in the k-epsilon Multiphase Model list.

  The dispersed turbulence model is applicable in this case because there is clearly one primary continuous phase and the material density ratio of the phases is approximately 2.5. Furthermore, the Stokes number is much less than 1. Therefore, the kinetic energy of the particle will not differ significantly from that of the liquid.

(d)   Click OK to close the Viscous Model dialog box.