Overall Heat Transfer Coefficient Heat Exchanger. Calculate the overall heat transfer coefficient and determine which is the controlling heat transfer coefficient. Double pipe heat exchanger from the expression.
Generic result can be written for the overall heat transfer coefficient. Lno i o i. Area of heat exchanger.
Lmtd the logarithmic mean temperature difference can be calculated simply using its definition.
The transferred heat q in a exchanger. An artificial neural network approach. The overall heat transfer coefficient u 200 wm2 k. Overall heat transfer in any exchanger is governed by the following equation equation 1 where q overall heat transfer rate u overall heat transfer coefficient a overall overall heat transfer surface ares lmtd logarithmic mean temperature difference.