I am attempting to model hydrogen flowing through a heat exchanger at high speeds and temps (250m/s and 2000K). In order to do this, the change in density of the hydrogen must be taken into account as it travels down the exchanger and heats up. I have been using the conjugate heat transfer model to do this, but it does not seem to be taking into account the density change. Rather, it seems to be modeling it as an incompressible flow. I know that choosing incompressable or compressible flow is an option for the fluid transfer modules, but I have not been able to find it for the conjugate heat transfer module. Does anyone know how enable this function?
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