Perform a parametric study for a steam power plant operating between pressures of 7 MPa and 7 kPa on an ideal Rankine cycle. Use feedwater heater pressure as the variable. Produce plots similar to Figure IIb.2.3 for such parameters as fraction of the steam extraction, pump work, and turbine work.
Perform a parametric study for a steam power plant operating between pressures of 7 MPa and 7 kPa on an ideal Rankine cycle. Use feedwater heater pressure as the variable. Produce plots similar to Figure IIb.2.3 for such parameters as fraction of the steam extraction, pump work, and turbine work.
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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Question
Perform a parametric study for a steam power plant operating between pressures of 7 MPa and 7 kPa on an ideal Rankine cycle. Use feedwater heater pressure as the variable. Produce plots similar to Figure IIb.2.3 for such parameters as fraction of the steam extraction, pump work, and turbine work.
Transcribed Image Text:0.4
0.45
0.43
0.35
Heat source pressure: 850 psia
Heat sink pressure: 1 psia
0.41
0.3
0.39
0.25
0.37
02
0.35
0.33
0.15
0.31
0.1
0.29
0.05
0.27
0.25 -
500
1000
1500
2000
2500
3000
5
10
15
20
25
Heat Source Pressure (psia)
Heat Sink Pressure (psia)
Figure Ilb.2.3. Effect of pressure on thermal efficiency of an ideal Rankine cycle
Figure IIlb.2.3 indicates that, for a given heat sink pressure, thermal efficiency
increases with increasing heat source pressure. Conversely, for a given heat
source pressure, thermal efficiency decreases substantially with increasing heat
sink pressure.
Thermal Efficiency
Thermal Efficiency
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