Learning Forum

[Amir]

I am trying to simulate the condensation of humid air in a closed system.

how can I calculate the mass of the condensate(liquid water)?

using "Mass" option and selecting "phase-1"

or 

using mass-weighted integral and selecting "phases" as field variable and choosing phase-1?

are these options the same? they are not returning the same value.

[SRP]

Hi,

The mass of a particular phase is computed by summing the product of phase density, cell volume, and phase volume fraction.

The mass-weighted average of a quantity is computed by dividing the summation of the product of density, cell volume, and the selected field variable by the summation of the product of density and cell volume.

Mass: You can determine the total mass of the mixture phase or an individual phase in the selected fluid zone

You can check ansys theory guide: 26.4.1. Computing Volume Integrals (ansys.com)