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January 14, 2012, 13:22 |
combustion in fluent
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#1 |
Member
Boudour
Join Date: Oct 2011
Posts: 34
Rep Power: 14 |
Hi, I am having serious problems with what seems to be a very straight forward problem.
I have 1 inlets and an outlet. Very simple 2-D space model. I am using the diesel/Air mixture . I have a good model with very good residuals under non-reacting conditions. I have an acceptable adapted mesh. Problem: I apply species transport :EDDY DISSIPATION MODEL Solution runs and the temperature increases to 1100K . inindicating combustion Now, the residuals are good but the solution is not. The pressure inside the chamber does not increase with increasing even propellant mass flux. The only way I can increase the internal chamber pressure is by patching pressure inside the chamber . I cant work it out and would be extremely grateful of any assistance. |
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