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eConstThermo Eref, Tref, and Hc with reactinTwoPhaseEulerFoam |
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January 19, 2022, 17:31 |
eConstThermo Eref, Tref, and Hc with reactinTwoPhaseEulerFoam
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New Member
Nik
Join Date: Apr 2021
Posts: 7
Rep Power: 5 |
Hi,
I've been playing around with the wallBoiling tutorial case for reactingTwoPhaseEulerFoam located in $FOAM_TUTORIALS/multiphase/reactingTwoPhaseEulerFoam/RAS/wallBoiling/ Specifically, the thermophysicalProperties.(gas | liquid) - there are a few properties which are relevant to this thread:
Looking at the code of eConstThermoI.H, we see that Es is defined as you might expect: Code:
return Cv_*(T - Tref_) + Esref_ + EquationOfState::E(p, T); Now, my points of confusion:
Point number 1 is most confusing to me - I see no-where else in the code where Eref and Tref are used (except in the Gibb's Free Energy at standard pressure, but that function shouldn't be affected by the example I gave, and regardless, this isn't used anywhere for this case). And yet, the results change unexpectedly. I have had a look at a bunch of different theory books (Fluent theory guide, Versteeg, OpenFoam "Little User Guide"), but I haven't yet found an adequate explanation - so I have given up resolving these questions on my own. I would really appreciate any help with this! Last edited by NLeb; January 20, 2022 at 05:30. |
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