Consider a regenerative power cycle with an open feedwater heater. water vapor enters the turbine at 8.0 MPa, 480°C and expands to 0.7 MPa where part of this vapor is extracted and presented to the open feedwater heater operating at 0.7 MPa. The rest of the steam expands in the second stage of the turbine to the condenser pressure of 0.008 MPa. The condenser outlet is saturated liquid at 0.7 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power of the cycle is 100 MW, determine: 1.Thermal performance and 2. The mass flow of steam entering the first stage of the turbine, in kg/h.
Consider a regenerative power cycle with an open feedwater heater. water vapor enters the turbine at 8.0 MPa, 480°C and expands to 0.7 MPa where part of this vapor is extracted and presented to the open feedwater heater operating at 0.7 MPa. The rest of the steam expands in the second stage of the turbine to the condenser pressure of 0.008 MPa. The condenser outlet is saturated liquid at 0.7 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power of the cycle is 100 MW, determine: 1.Thermal performance and 2. The mass flow of steam entering the first stage of the turbine, in kg/h.
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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Consider a regenerative power cycle with an open feedwater heater. water vapor enters the turbine at 8.0 MPa, 480°C and expands to 0.7 MPa where part of this vapor is extracted and presented to the open feedwater heater operating at 0.7 MPa. The rest of the steam expands in the second stage of the turbine to the condenser pressure of 0.008 MPa. The condenser outlet is saturated liquid at 0.7 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power of the cycle is 100 MW, determine:
1.Thermal performance and
2. The mass flow of steam entering the first stage of the turbine, in kg/h.
Transcribed Image Text:Generador
de vapor
Bomba 2
Wb2
Condensador,
Calentadori (1-y)
abierto del
agua de
alimenta-
ción
5-
(1-y)
Bomba 1
3
Wbl
1-y)
T
7
6
8,0 MPa
0,7 MPa 2s
0,008 MPa
T₁
3s
2
3
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