A steam power plant shows in Figure Q2 operating on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 15 MPa and 600 °C and is condensed in the condenser at a pressure of 10 kPa. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.55 percent, determine: a) The pressure at which the steam should be reheated, and b) The thermal efficiency of the cycle. 15 MPa High-P Low-P T, °C A turbine turbine Reheating 5 600

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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О а. 3.5 МРа, 55%
Оb. 3.5 МРа, 45%
О с. 3.0 МРа, 55%
O d. 4.0 MPа, 45%
Ое. 4.0 МPа, 55%
o f. 4.5 MPа, 45%
О д. 3.0 МРа, 45%
o h. 4.5 MPа, 55%
Transcribed Image Text:О а. 3.5 МРа, 55% Оb. 3.5 МРа, 45% О с. 3.0 МРа, 55% O d. 4.0 MPа, 45% Ое. 4.0 МPа, 55% o f. 4.5 MPа, 45% О д. 3.0 МРа, 45% o h. 4.5 MPа, 55%
A steam power plant shows in Figure Q2 operating on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 15 MPa and 600 °C and is condensed in the condenser at a pressure
of 10 kPa. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.55 percent, determine:
a) The pressure at which the steam should be reheated, and
b) The thermal efficiency of the cycle.
15 MPа 3)
High-P
Low-P
T, °C.
turbine
turbine
Reheating
5
009
Reheater (4,
15
4
MPа
Boiler
P4=Ps=Preheat
10 kPa
6
2
Pump
10 kPa
15
10 kPa Condenser
1
MPа
Figure Q2
Transcribed Image Text:A steam power plant shows in Figure Q2 operating on the ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 15 MPa and 600 °C and is condensed in the condenser at a pressure of 10 kPa. If the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.55 percent, determine: a) The pressure at which the steam should be reheated, and b) The thermal efficiency of the cycle. 15 MPа 3) High-P Low-P T, °C. turbine turbine Reheating 5 009 Reheater (4, 15 4 MPа Boiler P4=Ps=Preheat 10 kPa 6 2 Pump 10 kPa 15 10 kPa Condenser 1 MPа Figure Q2
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