QUESTION 2 The steam cycle shown in the figure operates between a boiler pressure P2-P3-5 MPa and a condenser pressure P4-P1=20 kPa All the properties are as indicated at each state point. All specific enthalpy, h, values are in kJ/kg. =6 P2-5 MPa. h2-255.36 2 # Pumo PI=20 kPa. Sat. Liquid hl-251.42 Energy source (such as a furnace) la Boiler m.=2 kg/s Condenser Que Energy sink ach as the atmosphere) System boundary Turbine P3 5 MPa. T3-800 °C h3m? P4-20 kPa, Sat, vapor b4=2608.9
QUESTION 2 The steam cycle shown in the figure operates between a boiler pressure P2-P3-5 MPa and a condenser pressure P4-P1=20 kPa All the properties are as indicated at each state point. All specific enthalpy, h, values are in kJ/kg. =6 P2-5 MPa. h2-255.36 2 # Pumo PI=20 kPa. Sat. Liquid hl-251.42 Energy source (such as a furnace) la Boiler m.=2 kg/s Condenser Que Energy sink ach as the atmosphere) System boundary Turbine P3 5 MPa. T3-800 °C h3m? P4-20 kPa, Sat, vapor b4=2608.9
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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Answer E,F, and G
![QUESTION 2
The steam cycle shown in the figure operates between a boiler pressure P2-P3-5 MPa and a
condenser pressure P4-P1=20 kPa All the properties are as indicated at each state point. All
specific enthalpy, h, values are in kJ/kg.
P2-5 MPa,
6=60€
h2-255.36
2
Pump
PI=20 kPa,
Sat. Liquid
hl-251.42
Energy source
(such as a furnace)
lin
Boiler.
m₁=2 kg/s
Condenser
lour
Energy sink
(such as the atmosphere)
3
System boundary
Turbine
P3=5 MPa,
T3-800 °C
h3=?
W
P4=20 kPa,
Sat. vapor
h4=2608.9
a) From the information given about state 3 determine the specific enthalpy
at state 3, in kJ/kg
b) By making an energy balance on the boiler, determine Qin, in kW
c) By making an energy balance on Turbine, determine the power output of
the turbine, Wout, in kW](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00030fb4-2bf0-41c7-8151-28e1f2b4f688%2F2f6ff010-cf2c-48f0-aec2-2900438a7dcd%2F1ipj9qi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 2
The steam cycle shown in the figure operates between a boiler pressure P2-P3-5 MPa and a
condenser pressure P4-P1=20 kPa All the properties are as indicated at each state point. All
specific enthalpy, h, values are in kJ/kg.
P2-5 MPa,
6=60€
h2-255.36
2
Pump
PI=20 kPa,
Sat. Liquid
hl-251.42
Energy source
(such as a furnace)
lin
Boiler.
m₁=2 kg/s
Condenser
lour
Energy sink
(such as the atmosphere)
3
System boundary
Turbine
P3=5 MPa,
T3-800 °C
h3=?
W
P4=20 kPa,
Sat. vapor
h4=2608.9
a) From the information given about state 3 determine the specific enthalpy
at state 3, in kJ/kg
b) By making an energy balance on the boiler, determine Qin, in kW
c) By making an energy balance on Turbine, determine the power output of
the turbine, Wout, in kW
![d) By making an energy balance on the condenser, determine the rate of
heat rejected, Qout, from the condenser in kW
e) By making an energy balance on the pump, determine the power input to
the pump,
Win, in kW
f) Determine the net Power output. Wnet, in kW
g) Determine the efficiency of this steam cycle in %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00030fb4-2bf0-41c7-8151-28e1f2b4f688%2F2f6ff010-cf2c-48f0-aec2-2900438a7dcd%2Fvuc2ns5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:d) By making an energy balance on the condenser, determine the rate of
heat rejected, Qout, from the condenser in kW
e) By making an energy balance on the pump, determine the power input to
the pump,
Win, in kW
f) Determine the net Power output. Wnet, in kW
g) Determine the efficiency of this steam cycle in %
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