Question: A condenser is to be designed to condense 1 0 , 0 0 0 kg / h of refrigerant 1 2 ( CCl 2 F

A condenser is to be designed to condense 10,000 kg/h of refrigerant 12(CCl2F2)at 37.8C. A square 25 by 25 array of 12-mm-diameter tubes is to be used, with water f low inside the tubes maintaining the wall temperature at 32.2C. Calculate the length of the tubes. hfg =130 kJ/kg at 37.8C.

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