Fluid comes in at ##T_1## and comes out at ##T_2## and I know that heat is exchanged with steam at constant ##T_{steam}##.(adsbygoogle = window.adsbygoogle || []).push({});

If I want to know the Surface of the exchanger then

##US(T_{steam}-T_{fluid}) = \dot m_{fluid} cp_{fluid} (T_2-T_1)##

My question is, since ##T_{fluid}## changes, which value of ##T_{fluid} ##should I use in the above formula?

PS: Since I don't know the surface, I don't know how the exchanges is designed so I have really know clue on what to do

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# Heat exchanger

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