I have now removed the fluxes J and enthalpy's H, substituted them for the whole equations and defined the missing functions Cp_sw(T), Cp_dw(T), Psat_sw(T) and Psat_dw(T).
Can you tell me if I did this right? I still do have the same "dae%_initial%_condition%_error" error in the odesolver.
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If I take all Psat's and Cp's as constant, and delete their initial conditions, it again comes up with the error "There are too few equations".
This problem is annoying me haha
EDIT: I tried to change some of the T_sw into T_dw, where the error message changed. I think mathcad does not have enough equations to determine T_dw, but does for T_sw.
