A steam power plant operates with a boiler at 5000 kPa and 500 °C. The turbine exhaust is saturated stear at 20 kPa. If the pump efficiency is 0.75, a. Calculate the enthalpies of each stream, Wr, Wp, QH, and Qc. b. What is the efficiency of the turbine? c. Calculate the thermal efficiency of the cycle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Reference Book: Introduction to Chemical Engineering Thermodynamics by Smith, Van Ness, etc. 7th or 8th Ed.

A steam power plant operates with a boiler at 5000 kPa and 500 °C. The turbine exhaust is saturated steam
at 20 kPa. If the pump efficiency is 0.75,
a. Calculate the enthalpies of each stream, Wr, Wp, QH, and Qc.
b. What is the efficiency of the turbine?
c. Calculate the thermal efficiency of the cycle.
Transcribed Image Text:A steam power plant operates with a boiler at 5000 kPa and 500 °C. The turbine exhaust is saturated steam at 20 kPa. If the pump efficiency is 0.75, a. Calculate the enthalpies of each stream, Wr, Wp, QH, and Qc. b. What is the efficiency of the turbine? c. Calculate the thermal efficiency of the cycle.
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