Air at 38C and 97% relative humidity is to be cooled to

Chapter 7, Problem 7.41

(choose chapter or problem)

Air at 38C and 97% relative humidity is to be cooled to 18C and fed into a plant area at a rate of 510 m3/min. (a) Calculate the rate (kg/min) at which water condenses. (b) Calculate the cooling requirement in tons (1 ton of cooling = 12,000 Btu/h), assuming that the enthalpy of water vapor is that of saturated steam at the same temperature and the enthalpy of dry air is given by the expression H(kJ/mol) = 0.0291[T(C) - 25]

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