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November 22, 2006, 21:47 |
How do I set scalar boundary condition?
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#1 |
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Hi, everyone..
I have something make me confusing. I am trying to analyze SI engine(of course, with octane) I am using Weller-1 model with conditional enthalpy model. Then, I got 6 scalars (C8H18, N2, O2, CO2, H2O, RVB). I don't know the meaning of RVB but it's not a problem. I have set initial mass fraction of initially charged AIR of scalars like below. (C8H18:0.0637, N2: 0.7183, O2: 0.218, RVB: 1) I've referenced theoretical fuel equivalence ratio of octane and RVB fraction as weller model tutorial. Now, I have a question. When I set boundary scalar mass fraction of the inlet, what value I have to use for RVB? Same as initial field? Anyway, I temporarily setted the inlet RVB mass fraction as 1 and found that combustion was successfully have occured. But I want to get a more precise information about setting RVB mass fraction. Thank you~ |
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