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Originally Posted by Incoherent
Question about your prediction Les. What water temperature are you calculating the delta T against? in, out or average.
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Inlet,.or rather, have not included allowance for rise in temp.
Strictly an average should be used.
Probably, as Bill says, the LMTD .
I use the
Wolverine series pdfs for my understanding of heat-exchangers.
ch1_3 covers LMTD.
When sorted out my Excels will post an allowance