Heat exchange area of the heat exchanger
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How is the heat exchange area of a heat exchanger calculated? ?
A = Q/Ktm. Here, A represents the heat transfer area, K is the overall heat transfer coefficient, and tm is the average temperature difference. The heat amount is determined based on whether it is a cold or hot medium; thereafter, the appropriate value of the heat transfer coefficient K is obtained from the type of heat exchanger being used. Multiplying this value by the average logarithmic temperature difference gives the unit heat load, and the ratio of the heat amount to the unit heat load constitutes the heat transfer area
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