A simple Rankine cycle uses water as a working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 450 degrees celcius. The isentropic efficiency to the turbine is 90%, pressure and pump losses are negligible, and the water leaving the condenser is subcooled to 6.32 degrees celcius. The boiler is sized for the mass flow rate of 20 kg/s. Determine: a) The rate at which heat is added in the boiler b) The power required to operate the pumps c) The net power produced by and thermal efficiency of the cycle
A simple Rankine cycle uses water as a working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 450 degrees celcius. The isentropic efficiency to the turbine is 90%, pressure and pump losses are negligible, and the water leaving the condenser is subcooled to 6.32 degrees celcius. The boiler is sized for the mass flow rate of 20 kg/s. Determine: a) The rate at which heat is added in the boiler b) The power required to operate the pumps c) The net power produced by and thermal efficiency of the cycle
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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A simple Rankine cycle uses water as a working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 450 degrees celcius. The isentropic efficiency to the turbine is 90%, pressure and pump losses are negligible, and the water leaving the condenser is subcooled to 6.32 degrees celcius. The boiler is sized for the mass flow rate of 20 kg/s. Determine:
- a) The rate at which heat is added in the boiler
- b) The power required to operate the pumps
- c) The net power produced by and thermal efficiency of the cycle
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