The net power output of an ideal regenerative reheat steam cycle is 80 MW. Steam enters...
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The net power output of an ideal regenerative reheat steam cycle is 80 MW. Steam enters the h.p turbine at 80 bar, 500°C and expands till it becomes saturated vapour. Some of the steam then goes to an open feedwater heater and the balance is reheated to 400°C, after which it expands in the l.p turbine to 0.07 bar. (a) Sketch a (T-s) diagram showing the cycle and clearly label each process. (b) Calculate the reheat pressure. (c) Calculate the dryness fraction. (d) Calculate the feed water fraction. (e) Calculate the cycle efficiency. The net power output of an ideal regenerative reheat steam cycle is 80 MW. Steam enters the h.p turbine at 80 bar, 500°C and expands till it becomes saturated vapour. Some of the steam then goes to an open feedwater heater and the balance is reheated to 400°C, after which it expands in the l.p turbine to 0.07 bar. (a) Sketch a (T-s) diagram showing the cycle and clearly label each process. (b) Calculate the reheat pressure. (c) Calculate the dryness fraction. (d) Calculate the feed water fraction. (e) Calculate the cycle efficiency.
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Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
Posted Date:
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