the high-pressure A supercritical reheat Rankine cycle has three stages of reheat. The steam state entering turbine is 30.5 MPa and 555°C. The steam expands to 5 MPa and is reheated to 455°C, reenters and expands to 1520 kPa, and is reheated to 410°C. It reenters the turbine and exhausts at 7.5 kPa. Draw T-S diagram. Determine (a) the quality or degrees of superheat of the stean entering the condenser; (b) the net work; (c) the cycle thermal efficiency.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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2. A supercritical reheat Rankine cycle has three stages of reheat. The steam
state entering the high-pressure turbine is 30.5 MPa and 555°C. The steam
expands to 5 MPa and is reheated to 455°C, reenters and expands to 1520 kPa,
and is reheated to 410°C. It reenters the turbine and exhausts at 7.5 kPa.
Draw T-S diagram.
Determine (a) the quality or degrees of superheat of the stean entering the
condenser; (b) the net work:; (c) the cycle thermal efficiency.
HI
Boiler
555
3 30.5 MPa, deg
4
P4 = PS
30 MPa
2
5 MPa, 455 deg C
5
1520 kPa, 410 deg C
Pump
6
PG-P7
1
7
8
7.5
Condenser
Qout
Transcribed Image Text:2. A supercritical reheat Rankine cycle has three stages of reheat. The steam state entering the high-pressure turbine is 30.5 MPa and 555°C. The steam expands to 5 MPa and is reheated to 455°C, reenters and expands to 1520 kPa, and is reheated to 410°C. It reenters the turbine and exhausts at 7.5 kPa. Draw T-S diagram. Determine (a) the quality or degrees of superheat of the stean entering the condenser; (b) the net work:; (c) the cycle thermal efficiency. HI Boiler 555 3 30.5 MPa, deg 4 P4 = PS 30 MPa 2 5 MPa, 455 deg C 5 1520 kPa, 410 deg C Pump 6 PG-P7 1 7 8 7.5 Condenser Qout
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