Multicomponent Mixing using a Nozzle: Exercise 4—Specifying Volume Conditions
For boundary conditions, the fluid behavior and properties are specified at all bounding surfaces of the fluid domain.
1. Under Domains, select MIXING_NOZZLE_2_FLUID.
2. In the Model tab, for Common, select the following values for the options listed:
Component CH4Ideal Gas Law
Minimum Pressure — 10
Molecular Weight — 16
Component O2Ideal Gas Law
Minimum Pressure — 10
Molecular Weight — 32
Component H2OIdeal Gas Law
Minimum Pressure — 10
Molecular Weight — 18
3. In the Model tab, for Multicomponent Mixing, select the following values for the options listed:
For Mixture, set Viscosity to Kinetic Theory.
For Component CH4
Under Lennard-Jones Parameters
Diameter 3.758 A
Energy — 148.6 K
Under Initial Condition, set Value to 0.01.
For Component O2
Under Lennard-Jones Parameters
Diameter — 3.458 A
Energy — 107.4 K
Under Initial Condition, set Value to 0.9
For Component H2O
Under Lennard-Jones Parameters
Diameter — 2.605 A
Energy — 572.4 K
Under Initial Condition, set Value to 0.09.