HsEqn ReactingFoam Hypothesis?
Hi, I'm a little confuse with the assumptions under HsEqn implemented in reactingFoam, the energy equation in terms of the sensible enthalpy, can be written as:
My confusion is with two terms:
1. the term associated with the species diffusion:
2, the term associated with the energy dissipation by viscous effects:
The implementation of this equation in reactingFoam is:
On the other hand it is clear that the species diffusion term was neglected, but reviewed bibliography I see that this term ussually is neglected if :
a) if mixture contains only one specie
b) if all species have the same sensible enthalpy.
c) sometimes is set to zero because it is usually negligible compared with
The first assumption in this case is not suitable, I'm confused with the second one, it is applicable in this case or simply is considered the third hypothesis?
if someone could shed some light on this I'll be very grateful
Thanks in advance
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