Multiphase: Fuel Tank Exercise 5—Assigning Boundary Conditions
Specifying Inlet Boundary Conditions
1. Under Boundary Conditions, for General Boundaries select Nozzle_Fuel_Inlet.
2. In the Properties panel click the Model tab.
3. For Flow set the following values:
◦ Mixture—Specified Volumetric Flux
◦ Value—0.00095 m3/s
4. For Multiphase set the following values:
◦ Mixture—Specified Value
◦ For Component fuel set the following values:
▪ Value—1
▪ Output—User Select
▪ Area—No
▪ Normal—No
▪ Mass Flux—Yes
▪ Volumetric Flux—Yes
◦ For Component air set the following values:
▪ Value—0
▪ Output—User Select
▪ Area—No
▪ Normal—No
▪ Mass Flux—Yes
▪ Volumetric Flux—Yes
Specifying Outlet Boundary Conditions
1. Under Boundary Conditions, for General Boundaries press CTRL and select Nozzle_Air_Outlet and Tank_Air_Outlet.
2. In the Properties panel click the Model tab.
3. For Flow set the following values:
◦ Mixture—Specified Pressure Outlet
◦ Pressure—101325 Pa
◦ Velocity Profile—User Specified
4. For Multiphase set the following values:
◦ Mixture—Specified Value
◦ For Component fuel set the following values:
▪ Value—0
▪ Output—User Select
▪ Area—No
▪ Normal—No
▪ Mass Flux—Yes
▪ Volumetric Flux—Yes
◦ For Component air set the following values:
▪ Value—1
▪ Output—User Select
▪ Area—No
▪ Normal—No
▪ Mass Flux—Yes
▪ Volumetric Flux—Yes