Ansys Learning Forum Forums Discuss Simulation Fluids How molecular weight is defined using incompressible ideal gas in species model? Reply To: How molecular weight is defined using incompressible ideal gas in species model?

jcooper
Ansys Employee

Hi: Dato:

The molecular weight for a mixture is calculated as the mass fraction weighted value of component molecular weights, so the equation in 8.3.6 still applies.

Regards,

Judy