[mgc]

Hi all!

cellMixture in multiComponentMixture is defined as:

<<
forAll (i)
{
cellMixture += Y[i] / species[i].W() * speciesData[i]
}
>>

Does anyone know why the mass fracction of i-species is divided by the mol-weight of i-species?

Thanks!
María

[niklas]

Originally Posted by mgc

Hi all!

cellMixture in multiComponentMixture is defined as:

<<
forAll (i)
{
cellMixture += Y[i] / species[i].W() * speciesData[i]
}
>>

Does anyone know why the mass fracction of i-species is divided by the mol-weight of i-species?

Thats because the speciesData is given per moles.

If you are missing the mol-weight of the mixture it doesnt make any difference
if you multiply everything with the same factor

so if it were to read like this
cellMixture += Wtot*Y[i] / species[i].W() * speciesData[i]

you would still get the same results, no matter the value on Wtot, hence you can set Wtot=1.

[mgc]

Have a look at the bug forum