A power plant involves thermodynamic cycles to generate electrical power. At the first stage, water is pumped in a saturated state from a pressure of 0.8 bar to 20 bar. The water then goes to the boiler at constant pressure and exits the boiler with a temperature of 450°C. In this condition, the steam is then expanded in a steam turbine isentropically so that the pressure returns to 0.8 bar and is cooled in a condenser. Specify: a) Pump work. b) Incoming heat given to the boiler. c) Turbine work. d) Heat discharged by the condenser. e) Thermal efficiency of the cycle.
A power plant involves thermodynamic cycles to generate electrical power. At the first stage, water is pumped in a saturated state from a pressure of 0.8 bar to 20 bar. The water then goes to the boiler at constant pressure and exits the boiler with a temperature of 450°C. In this condition, the steam is then expanded in a steam turbine isentropically so that the pressure returns to 0.8 bar and is cooled in a condenser. Specify: a) Pump work. b) Incoming heat given to the boiler. c) Turbine work. d) Heat discharged by the condenser. e) 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 power plant involves thermodynamic cycles to generate electrical power. At the first stage, water is pumped in a saturated state from a pressure of 0.8 bar to 20 bar. The water then goes to the boiler at constant pressure and exits the boiler with a temperature of 450°C. In this condition, the steam is then expanded in a steam turbine isentropically so that the pressure returns to 0.8 bar and is cooled in a condenser. Specify:
a) Pump work.
b) Incoming heat given to the boiler.
c) Turbine work.
d) Heat discharged by the condenser.
e) Thermal efficiency of the cycle.
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