Answered: CONSIDER A STEAM POWER PLANT OPERATING…

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 =

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