Counter Flow Heat Exchanger Lmtd

This heat exchanger consists of two concentric pipes of different diameters. It will allow us to make a decision on the flow arrangement type and making the right choice here will also improve your final design and mainly the heat transfer. The logarithmic mean temperature difference also known as log mean temperature difference lmtd is used to determine the temperature driving force for heat transfer in flow systems most notably in heat exchangers the lmtd is a logarithmic average of the temperature difference between the hot and cold feeds at each end of the double pipe exchanger.

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