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Difference in methods specifying wall heat transfer |
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November 8, 2022, 18:11 |
Difference in methods specifying wall heat transfer
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Arun Varma
Join Date: Nov 2022
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Hello, I am running an IC engine simulation where initially I specified "Global" heat model in the boundary.in file. I understand that in this case the heat transfer model will be considered from the turbulence.in file and there the default model is the O'Rourke and Amsden model. For the same case, I tried specifying O'Rourke and Amsden model in the boundary.in file itself and I see that there is a significant change in the results with this. Is there any reason why this is so, because the same model, applied in two different ways, should not give such a large difference in results.
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heat model, ic engines |
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