A simple Rankine cycle uses water as the working fluid. to the turbine, the temperature is 450°C. The isentropic negligible, and the water leaving the condenser is subco the rate at which heat is added in the boiler, the power r thermal efficiency. Use steam tables. The rate at which heat is added in the boiler is 19212]

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
Question
A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance
to the turbine, the temperature is 450°C. The isentropic efficiency of the turbine is 94 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 19 kg/s. Determine
the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the
thermal efficiency. Use steam tables.
The rate at which heat is added in the boiler is 4192.12 kW.
The power required to operate the pumps is 59354.47 kW.
The net power produced by the cycle is -55162.35 ✪ kW.
The thermal efficiency of the cycle is 13.16 %.
Transcribed Image Text:A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance to the turbine, the temperature is 450°C. The isentropic efficiency of the turbine is 94 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 19 kg/s. Determine the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the thermal efficiency. Use steam tables. The rate at which heat is added in the boiler is 4192.12 kW. The power required to operate the pumps is 59354.47 kW. The net power produced by the cycle is -55162.35 ✪ kW. The thermal efficiency of the cycle is 13.16 %.
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