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Water Running Through Heat Exchanger for Cooling Combustion Products

Question

100,000 pounds per hour of water are to pass through a heat exchanger, which is to raise the water temperature fron1140°F to 200°F. Combustion products (fuel gas) having a specific heat of 0.24 Btu/lbm F are available at 800°F. The overall heat transfer coefficient is 12 Btu/h.f2. °F. If 100,000 Ibm/h of combustion products are available, determine

(a) The exit temperature of the fuel gas.
(b) The required heat transfer area for a counter-flow exchanger.

Summary

The question belongs to Chemical Engineering and the question is about passing 100000 pounds of water per hour through a heat exchanger which needs to raise the temperature of the water. The temperature of the fuel gas and the heat required by the heat exchanger needs to be calculated.

Total Word Count 124

 

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    Giuseppe

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