Cyclone Separator Exercise 4—Assigning Boundary Conditions

For boundary conditions, the fluid behavior and properties are specified at all bounding surfaces of the fluid domain.

Specifying Inlet Boundary Conditions

1. Under Boundary Conditions, select BC_00001.

2. In the Model tab select the following values for the options listed:

◦ Flow—Specified Velocity

◦ Method—Boundary Normal

▪ Flow Direction—Inflow

▪ Normal Velocity Component—5 m/s

3. In the Model tab for Streamline set Release Particle to Yes

Specifying Outlet Boundary Conditions

1. Under Boundary Conditions, select BC_00002.

2. In the Model tab select the following values for the options listed:

◦ Flow—Specified Pressure Outlet

◦ Pressure—101325 Pa

Specifying Volume Conditions

1. To set the fluid, click

Materials. The Material Selection dialog box opens. The fluid properties are set automatically when you select a new fluid.

2. For fluid domain CYCLONE_4_FLUID_1:Body 1 select air.