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A gas turbine used for power generation is producing 57MW of power. The turbine’s exhaust temperature...

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Mechanical Engineering

A gas turbine used for power generation is producing 57MW ofpower. The turbine’s exhaust temperature is 541°C at a mass flowrate of 132.8 kg/s and is currently emitted to the atmosphere.

Your task is to design a heat exchanger that recovers the wasteheat from the exhaust. The recovered heat is to be used to heatwater from 40°C to 60°C for use in a closed-loop hydronic heatingsystem for an office building. The heat exchanger is to be placedbetween the gas turbine’s exhaust and the attached power generator.To not interfere with the power generator, the pressure drop acrossthe hot flow path should not exceed 600Pa. The maximum gas massflow rate possible through the heat exchanger has been restrictedto 4% of the exhaust gas flow rate of the turbine.

QUESTIONS

1.DO LMTD CALCULATION

2. TEMPERATURE CORRECTION FACTORCALCULATION

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