Total Enthalpy does not equal Cp*Total Temperature
 

Hey,

Does anybody have an idea about the difference between Total Enthalpy and (Specific Heat Capacity at Constant Pressure * Total Temperature) ?

In fact, these parameters are supposed to have the same values but I have seen many cases that CFD Post shows different values for these parameters at a specific plane, for example!!

What is the source of this discrepancy?

BR
Sasan Ghomi

Have you done such comparison on a locator which does not require CFD-Post manipulation of the data?

Say Minimum and Maximum value of both variables?

Say a boundary plot of both quantities, if you switch the plotted variable from Total Enthalpy to Total Temperature the plot should be identical except a variable range change.

I am talking about the difference at a specific plane. In fact, I used massFlowAve() function in order to calculate the values.
It is strange to me that what could be the source of the difference!!

Did you do the check as suggested above?

What is the outcome of the check suggested above?