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Question: i a finnedtube crossflow heat exchanger is to use the...

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I. A finned-tube, cross-flow heat exchanger is to use the exhaust of a gas turbine to heat pressurized water. Laboratory measurements are performed on a prototype version of the exchanger, which has a surface area of 10 m2, to determine the overall heat transfer coefficient as a function of operating conditions. Measurements made under particular conditions, for which m 2 kg/s, Thi 325 °C, mc 0.5 kg/s, and Te 25 °C, reveal a water outlet temperature of Too 150 °C. What is the overall heat transfer coefficient of the exchanger using the NTU method?
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