Air cooler design or rating

4 Air cooler design or rating It is better to use a computer software, such as HTRl. 

Ac Required heat transfer area for clean service, ft2. 

Uc overall heat transfer coefficient for clean service, btu/hr-ft2- F. Uf overall heat transfer coefficient for dirty service, btu/hr-ft2- F. W fluid flow rate, Ib/hr. 

How to size and select your heat exchanger, Bas Tex Corporation (Koch Heat Transfer Company). 

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