Eulerian granular species: volume fraction and mass fraction contours
 

Hello everyone,

I'm facing a problem related to one granular phase constituted with 2 species. The justification for having two species in my granular phase is because I have to perform a reaction between my primary phase (gas) and my secondary granular phase, and for this, I'm using macros such as DEFINE_HET_RXN_RATE, for the heterogeneous reaction rate, and DEFINE_MASS_TRANSFER, for the mass transfer.

The reaction is C +O2 = CO2

It turns out that my C species, that constitutes my granular phase, is not being consumed by the reaction, although I'm using the macros. It reminded the same value of the patch initialization.

With this, I made another test, just to see the mass fraction of my C species changing with the gas passage, without the reactions. I would expect that volume fraction of my granular matches the mass fraction C species, or at least had been changed, but that didn't happen.

The contours are in attach. As my C species make part of my granular phase, it would not be rational that their contours would be the same?

Could someone help? :confused::confused: