Question: For the flow analysis in Problem 10, consider the situation when temperature is not constant. There is an internal heat source with volumetric rate (Q).

For the flow analysis in Problem 10, consider the situation when temperature is not constant. There is an internal heat source with volumetric rate $Q$. The duct's walls are thermally insulated. Write the RANS heat equation and boundary conditions for temperature. Assume that the turbulent Prandtl number is 1.0 .

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