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Fix density formula and momentum equation #260

Closed imitrichev closed 9 months ago

imitrichev commented 9 months ago

Fix density formula rho=(PM)/(RT)

and momentum equation (A/V is already taken into account in \dot m_s)

Also, please provide a description for \dot w_k, I don't understand what is it and if it is really needed in conservation eq. for fluid species k. I feel like \dot w_k is molar rate of species k formation/consumption, and it is NOT needed in eqs. (4) and (5), due to eqs. are rewritten on MASS basis and this term is simply the same as the one with \dot s_k_j.

imitrichev commented 9 months ago

Dear Ray, thank you for approving this.

Also, thank for explaining about \dot w - it is about gas-phase reactions. Of course, if PFR can account for gas-phase chemistry, these terms should be present in the equations.