Nusselt averaging in Unsteady calculation
Hi, I am conducting an unsteady calculation using LES. I have started the statistical data sampling for and realized that my averaging point was not correct. Now I want to restart the averaging. How to do that?
My second question is I want to calculation and show that average Nusselt number on the surface, how to do that? The way I do it is that I calcualte the volume average of the mean static temperature, apply it in the reference values and calculate the surface average Nusselt number. Is this correct, i.e. is the surface temperature used to calculate the Nusselt is the mean surface temperature or the instanteous one.
Thanks alot for the help.
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