1. A steam power plant operating in a Rankine cycle has saturated vapor at 3 MPa leaving the boiler. The turbine exhausts to the condenser, operating at 10 kPa. Find the specific work and heat transfer in each of the ideal components and the cycle eficiency

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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1. A steam power plant operating in a Rankine cycle has saturated vapor at 3 MPa leaving the boiler. The
turbine exhausts to the condenser, operating at 10 kPa. Find the specific work and heat transfer in each
of the ideal components and the cycle efficiency
Equations:
Efficiency of a turbine:
W,(actual)
W,(isentropic) H2isentropic – H,
Нааctual — H,
-
Efficiency of a compressor:
w,(isentropic) H2isentropic – H1
n =
W,(actual)
-
Нааctual — H,
-
2,ас
Rankine cycle efficiency:
Wnet_ |Wturbinel - |Wpump|
=
Qboiler
COP of a refrigerator:
Q,(heat absorbed from cold space)
B =
Wc(work input to the compressor)
Transcribed Image Text:1. A steam power plant operating in a Rankine cycle has saturated vapor at 3 MPa leaving the boiler. The turbine exhausts to the condenser, operating at 10 kPa. Find the specific work and heat transfer in each of the ideal components and the cycle efficiency Equations: Efficiency of a turbine: W,(actual) W,(isentropic) H2isentropic – H, Нааctual — H, - Efficiency of a compressor: w,(isentropic) H2isentropic – H1 n = W,(actual) - Нааctual — H, - 2,ас Rankine cycle efficiency: Wnet_ |Wturbinel - |Wpump| = Qboiler COP of a refrigerator: Q,(heat absorbed from cold space) B = Wc(work input to the compressor)
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