Consider an ideal Rankine cycle operating between 5 kPa and 10MPa with a maximum cycle temperature of

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Consider an ideal Rankine cycle operating between 5 kPa and 10MPa with a maximum cycle temperature of 750 K. The working fluid is H2O.


A. Plot the cycle in T–s coordinates.


B. Determine the fraction of the total energy imparted to the H2O in the boiler that is associated with the super heater section (i.e., Q̇3-3'/Q̇2-3') in Fig. 9.12.


C. Determine the cycle efficiency.


D. Compare the result from part C to the cycle efficiency for the same cycle, but without superheat. Discuss.



Fig 9.12image

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Thermodynamics Concepts And Applications

ISBN: 9781107179714

2nd Edition

Authors: Stephen R. Turns, Laura L. Pauley

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