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CONSIDER A STEAM POWER PLANT OPERATING ON THE IDEAL REHEAT RANKINE CYCLE. STEAM ENTERS THE HIGH-PRESSURE TURBINE AT 15 MPA AND 600 °C AND IS CONDENSED IN THE CONDENSER AT A PRESSURE OF 10 KPA. ASSUMING THE REHEAT TEMPERATURE IS ALSO 600 °C AND IF THE MOISTURE CONTENT OF THE STEAM AT THE EXIT OF THE LOW-PRESSURE TURBINE IS NOT TO EXCEED 10%, DETERMINE:   THE PRESSURE AT WHICH STEAM SHOULD BE REHEATED,

CONSIDER A STEAM POWER PLANT OPERATING ON THE IDEAL REHEAT RANKINE CYCLE. STEAM ENTERS THE HIGH-PRESSURE TURBINE AT 15 MPA AND 600 °C AND IS CONDENSED IN THE CONDENSER AT A PRESSURE OF 10 KPA. ASSUMING THE REHEAT TEMPERATURE IS ALSO 600 °C AND IF THE MOISTURE CONTENT OF THE STEAM AT THE EXIT OF THE LOW-PRESSURE TURBINE IS NOT TO EXCEED 10%, DETERMINE:   THE PRESSURE AT WHICH STEAM SHOULD BE REHEATED,

Elements Of Electromagnetics
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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CONSIDER A STEAM POWER PLANT OPERATING ON THE IDEAL REHEAT RANKINE CYCLE. STEAM ENTERS THE HIGH-PRESSURE TURBINE AT 15 MPA AND 600 °C AND IS CONDENSED IN THE CONDENSER AT A PRESSURE OF 10 KPA. ASSUMING THE REHEAT TEMPERATURE IS ALSO 600 °C AND IF THE MOISTURE CONTENT OF THE STEAM AT THE EXIT OF THE LOW-PRESSURE TURBINE IS NOT TO EXCEED 10%, DETERMINE:

 

THE PRESSURE AT WHICH STEAM SHOULD BE REHEATED,

P = MPа The amount of heat added, and heat rejected, Qa = KJ/kg %3D Qr = KJ/kg The turbine work and pump work, and Wt = KJ/kg Wp = KJ/kg The thermal efficiency of the cycle e =
Transcribed Image Text:P = MPа The amount of heat added, and heat rejected, Qa = KJ/kg %3D Qr = KJ/kg The turbine work and pump work, and Wt = KJ/kg Wp = KJ/kg The thermal efficiency of the cycle e =
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