For Problem 9.134, determine the change in exergy of the water flow and that of the air
Question:
For Problem 9.134, determine the change in exergy of the water flow and that of the air flow. Use these values to determine the second-law efficiency of the boiler heat exchanger.
Data from Problem 9.134,
Consider the supercritical cycle in Problem 9.30 and assume that the turbine first expands to 3 MPa, followed by a reheat to 500◦C, with a further expansion in the low-pressure turbine to 10 kPa. Find the combined specific turbine work and the total specific heat transfer in the boiler.
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The change in exergy of the water flow can be determined by calculating the exergy of the water at the inlet and outlet of the boiler heat exchanger T...View the full answer
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Related Book For 
Fundamentals Of Thermodynamics
ISBN: 9781118131992
8th Edition
Authors: Claus Borgnakke, Richard E. Sonntag
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