Water at a rate 68kg/min is heated from 35 to 75℃ by an oil having cp=1.9kJ/kg℃. The fluids are use in a counter flow double pipe heat exchanger, and the oil enters the heat exchanger at 110 and leaves at 75℃. The Over-all heat transfer is 320w/?2℃. Calculate the area. ANSWER: 15.84 m2

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Heat Exchangers

Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.

Heat Exchanger

The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.