Steam at 6.155MPa and 435degC enters the turbine of a power plant which operates on actual vaport power cycle. The pressure at the exit of the turbine is 418 kPa, and steam leaves the condenser as a saturated liquid at 62degC. The pressure is increased to 12.2 MPa accross the pump. The turbine and pump have isentropic efficiencies of 82% and 74% respectively. For this cycle, determine th: a. Wnet per unit mass of steam flow and the heat transfer to steam passing through the boiler (kj/kg) b. thermal efficiency (%) c. heat transfer to colling water passing the condenser (kj/kg of steam condensed)
Steam at 6.155MPa and 435degC enters the turbine of a power plant which operates on actual vaport power cycle. The pressure at the exit of the turbine is 418 kPa, and steam leaves the condenser as a saturated liquid at 62degC. The pressure is increased to 12.2 MPa accross the pump. The turbine and pump have isentropic efficiencies of 82% and 74% respectively. For this cycle, determine th: a. Wnet per unit mass of steam flow and the heat transfer to steam passing through the boiler (kj/kg) b. thermal efficiency (%) c. heat transfer to colling water passing the condenser (kj/kg of steam condensed)
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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Steam at 6.155MPa and 435degC enters the turbine of a power plant which operates on actual vaport power cycle. The pressure at the exit of the turbine is 418 kPa, and steam leaves the condenser as a saturated liquid at 62degC. The pressure is increased to 12.2 MPa accross the pump. The turbine and pump have isentropic efficiencies of 82% and 74% respectively.
For this cycle, determine th:
a. Wnet per unit mass of steam flow and the heat transfer to steam passing through the boiler (kj/kg)
b. thermal efficiency (%)
c. heat transfer to colling water passing the condenser (kj/kg of steam condensed)
Transcribed Image Text:2
pump.in
0-1
W.
Pump
9in
Boiler
(3)
Turbine
Condenser
qout
Wturb,out
(4)
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