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[FAQ]

Use the following macros 1. BOUNDARY_HEAT_FLUX(f,tf) to obtain the total heat transfer rate 2. BOUNDARY_RAD_HEAT_FLUX(f,tf) to obtain the radiation heat transfer rate 3. F_DO_QA(f,t,nb) to obtain the absorbed radiation flux when using the DO model Note that “FLUX” in the macro is a misnomer and it gives the total heat transfer rates in watts and NOT the heat flux in watts/m2. C_ABS_COEFF(c,t) gives you the absorption coefficient at a cell. This is not the same as the absorbed radiation flux at the wall.