hello
i want to ask you some questions about tubulair heat exchanger ( 2 f fuilds with counter courant)
whene we say Q= mCp( T2 - T1 )
what Cp we should take Cp related with T1 or T2?
2/ whats the simple meaning of DTLM?
3/whats the calorique temperature?
4/ what is the proper transfer coefficient ( Up )??
thank you