Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant maintains the boiler at 17.5 MPa, the reheater at 2 MPa, and the condenser at 50 kPa. The temperature is 550°C at the entrance of the high-pressure turbine, and 300°C at the entrance of the low-pressure turbine. Determine the thermal efficiency of this system. Use steam tables. The thermal efficiency of this system is 74 %.
Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant maintains the boiler at 17.5 MPa, the reheater at 2 MPa, and the condenser at 50 kPa. The temperature is 550°C at the entrance of the high-pressure turbine, and 300°C at the entrance of the low-pressure turbine. Determine the thermal efficiency of this system. Use steam tables. The thermal efficiency of this system is 74 %.
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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Transcribed Image Text:Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant maintains the boiler at 17.5 MPa, the reheater at 2 MPa, and the condenser at 50 kPa. The temperature is 550°C at the entrance of the high-pressure turbine, and 300°C at the entrance of the low-pressure turbine. Determine the thermal efficiency of this system. Use steam tables.
The thermal efficiency of this system is 74%.
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Step 1: Determine the given variables
VIEWStep 2: Determine the enthalpy at state 1 and 2
VIEWStep 3: Determine the enthalpy at state 3 and 4
VIEWStep 4: Determine the enthalpy at state 5 and 6
VIEWStep 5: Determine the net work output of the cycle
VIEWStep 6: Determine the heat input in the cycle
VIEWStep 7: Determine the thermal efficiency of the cycle
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