The mass transfer from the discrete phase to the continuous phase is computed in Ansys Fluent by examining the change in mass of a particle as it passes through each control volume in the Ansys Fluent model. The mass change is computed simply as

(12–511)

This mass exchange appears as a source of mass in the continuous phase continuity equation and as a source of a chemical species defined by you. The mass rates per cell (in kg/s) are included in any subsequent calculations of the continuous phase flow field and are reported by Ansys Fluent as described in Postprocessing for the Discrete Phase in the User’s Guide.