The boiler of a power steam cycle operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 500°C. The isentropic efficiency of the turbine is 90 percent, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 6.3°C. The boiler is sized for a mass flow rate of 18 kg/s. You are asked to: Represent the cycle on P-v and T-s diagrams. Compute the rate at which heat is added in the boiler. Compute the power required to operate the pumps. Determine the net power produced by the cycle. Compute the thermal efficiency. 8. b. C. d.
The boiler of a power steam cycle operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 500°C. The isentropic efficiency of the turbine is 90 percent, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 6.3°C. The boiler is sized for a mass flow rate of 18 kg/s. You are asked to: Represent the cycle on P-v and T-s diagrams. Compute the rate at which heat is added in the boiler. Compute the power required to operate the pumps. Determine the net power produced by the cycle. Compute the thermal efficiency. 8. b. C. d.
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:The boiler of a power steam cycle operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 500°C. The isentropic efficiency of the turbine is 90 percent, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 6.3°C. The boiler is sized for a mass flow rate of 18 kg/s. You are asked to:
a. Represent the cycle on P-v and T-s diagrams.
b. Compute the rate at which heat is added in the boiler.
c. Compute the power required to operate the pumps.
d. Determine the net power produced by the cycle.
e. Compute the thermal efficiency.
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