Q2: A steam power plant operates on an ideal reheat- regenerative Rankine cycle and has a net power output of 80 MW. Steam enters the high-pressure turbine at 10 MPa and 550°C and leaves at 0.8 MPa. Some steam is extracted at this pressure to heat the feedwater in a closed feedwater heater. The rest of the steam is reheated to 500°C and is expanded in the low-pressure turbine to the condenser pressure of 10 kPa. determine (a) the mass flow rate of steam through the boiler and (b) the thermal efficiency of the cycle. Turbine Boiler 1-y 10 MPa 0.8 MPa 1-y 9. Closed fwh 4. Mixing chamber Condenser 10 kPa -2 7. 10 PII PI
Q2: A steam power plant operates on an ideal reheat- regenerative Rankine cycle and has a net power output of 80 MW. Steam enters the high-pressure turbine at 10 MPa and 550°C and leaves at 0.8 MPa. Some steam is extracted at this pressure to heat the feedwater in a closed feedwater heater. The rest of the steam is reheated to 500°C and is expanded in the low-pressure turbine to the condenser pressure of 10 kPa. determine (a) the mass flow rate of steam through the boiler and (b) the thermal efficiency of the cycle. Turbine Boiler 1-y 10 MPa 0.8 MPa 1-y 9. Closed fwh 4. Mixing chamber Condenser 10 kPa -2 7. 10 PII PI
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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![Q2: A steam power plant operates on an ideal reheat- regenerative
Rankine cycle and has a net power output of 80 MW. Steam enters the
high-pressure turbine at 10 MPa and 550°C and leaves at 0.8 MPa. Some
steam is extracted at this pressure to heat the feedwater in a closed
feedwater heater. The rest of the steam is reheated to 500°C and is
expanded in the low-pressure turbine to the condenser pressure of 10 kPa.
determine (a) the mass flow rate of steam through the boiler and (b) the
thermal efficiency of the cycle.
Turbine
Boiler
1-y
10 MPa
7.
V 8
0.8 MPa
61
3.
1-y
9.
Mixing
chamber
4.
Closed
Condenser )
fwh
10 kPa
-2
8.
7.
10
PII
PI](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F495b9113-35c1-4612-bbd1-1bfb10e4199e%2F01a76857-e18e-4b6d-a9d1-d8db106dd3c0%2Feze1pvm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2: A steam power plant operates on an ideal reheat- regenerative
Rankine cycle and has a net power output of 80 MW. Steam enters the
high-pressure turbine at 10 MPa and 550°C and leaves at 0.8 MPa. Some
steam is extracted at this pressure to heat the feedwater in a closed
feedwater heater. The rest of the steam is reheated to 500°C and is
expanded in the low-pressure turbine to the condenser pressure of 10 kPa.
determine (a) the mass flow rate of steam through the boiler and (b) the
thermal efficiency of the cycle.
Turbine
Boiler
1-y
10 MPa
7.
V 8
0.8 MPa
61
3.
1-y
9.
Mixing
chamber
4.
Closed
Condenser )
fwh
10 kPa
-2
8.
7.
10
PII
PI
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