I am trying to model the flow fields of a fluid (air) traveling through an orifice. I have a working model that works great using only the laminar flow module. However, the viscosity of the fluid is always constant as there is no temperature change. So, I want the model to also calculate the temperature change due to the compression of the fluid in the nozzle and then the expansion of the gas following the nozzle. Is there a simple physics to add that will include this temperature change? I would like somthing similar to the high-mach-number flow physics, but without having to use this module as the Mach number does not get above ~0.3. Any help would be great.
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