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
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
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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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