In an ideal reheat-regenerative cycle steam enters the high-pressure (H.P.) turbine at 90 bar, 600C. After...

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In an ideal reheat-regenerative cycle steam enters the high-pressure (H.P.) turbine at 90 bar, 600°C. After expansion to 7 bar, some of the steam goes to a direct contact open heater and the balance is reheated to 400°C, after which it expands to 0.07 bar. (a) Show the processes on T-S diagram and label all the relevant points. (b) Calculate the dryness fraction of the steam entering the condenser. (c) Calculate the feed water fraction. (d) Calculate the cycle efficiency. In an ideal reheat-regenerative cycle steam enters the high-pressure (H.P.) turbine at 90 bar, 600°C. After expansion to 7 bar, some of the steam goes to a direct contact open heater and the balance is reheated to 400°C, after which it expands to 0.07 bar. (a) Show the processes on T-S diagram and label all the relevant points. (b) Calculate the dryness fraction of the steam entering the condenser. (c) Calculate the feed water fraction. (d) Calculate the cycle efficiency.