Multicomponent Mixing using a Nozzle: Exercise 2—Creating Boundaries
1. Under Domains, right-click MIXING_NOZZLE_FLUID and select 
Add Boundary Condition. The Surface Sets dialog box opens.
Add Boundary Condition. The Surface Sets dialog box opens.2. Select the surfaces corresponding to Nozzle_Inlet, as shown in the figure below.
1. Nozzle_Side_Inlet
2. Nozzle_Inlet
3. Fuelpipe_Inlet
3. Click OK. Under General Boundaries, a new entity BC_00001 is created.
4. Under Domains, right-click MIXING_NOZZLE_FLUID and select Add Boundary Condition. The Surface Sets dialog box opens.
Add Boundary Condition. The Surface Sets dialog box opens.5. Select the surfaces corresponding to Fuelpipe_Inlet, as shown in the figure.
6. Click OK. Under General Boundaries, a new entity BC_00002 is created.
7. Under Domains, right-click MIXING_NOZZLE_FLUID and select Add Boundary Condition. The Surface Sets dialog box opens.
Add Boundary Condition. The Surface Sets dialog box opens.8. Select the surfaces corresponding to Nozzle_Side_Inlet, as shown in the figure.
9. Click OK. Under General Boundaries, a new entity BC_00003 is created.
10. Under Domains, right-click MIXING_NOZZLE_FLUID and select Add Boundary Condition. The Surface Sets dialog box opens.
Add Boundary Condition. The Surface Sets dialog box opens.11. Select the surfaces corresponding to Nozzle_Outlet, as shown in the figure below.
Nozzle_Outlet
12. Click OK. Under General Boundaries, a new entity BC_00004 is created.
13. Right-click and rename the following boundary conditions:
◦ BC_00001 as Nozzle_Inlet
◦ BC_00002 as Fuelpipe_Inlet
◦ BC_00003 as Nozzle_Side_Inlet
◦ BC_00004 as Nozzle_Outlet