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ANSYS Fluent Tutorial Guide.pdf
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a.Retain the default values of (0, 0, 1) for X, Y, and Z in the Rotation-Axis Direction group box.

b.Click OK to close the Fluid dialog box.

11.4.7.Boundary Conditions

Setup Boundary Conditions

 

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Setup and Solution

1. Enter rotor-inlet into the Zone field to filter the zone list.

Setup Boundary Conditions rotor-inlet Edit...

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a.Enter 1.0 atm for Gauge Total Pressure.

b.Enter 0.9 atm for Supersonic/Initial Gauge Pressure.

For information about the Supersonic/Initial Gauge Pressure, see the Fluent User's Guide.

c.Click the Thermal tab and enter 288 K for Total Temperature.

 

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Setup and Solution

d. Click OK to close the Pressure Inlet dialog box.

2.Enter stator-outlet into the Zone field to filter the zone list.

Setup Boundary Conditions stator-outlet Edit...

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a.Enter 1.08 atm for Gauge Pressure.

b.Enable Radial Equilibrium Pressure Distribution.

c.Click the Thermal tab and enter 288 K for Backflow Total Temperature.

 

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Setup and Solution

d. Click OK to close the Pressure Outlet dialog box.

Note

The momentum settings and temperature you input at the pressure outlet will be used only if flow enters the domain through this boundary. It is important to set reasonable values for these downstream scalar values, in case flow reversal occurs at some point during the calculation.

3. Retain the default boundary conditions for all wall zones.

Setup Boundary Conditions rotor-blade-1 Edit...

Note

For wall zones, ANSYS Fluent always imposes zero velocity for the normal velocity component, which is required whether or not the fluid zone is moving. This condition is all

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