Answered: Problem 8.024 An ideal Rankine 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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Question

An ideal Rankine cycle with reheat uses water as the working fluid. As shown in the figure below, the conditions at the inlet to the first turbine stage are 1600 lbf/in.², 1200°F and the steam is reheated to a temperature of T₃ = 800°F between the turbine stages at a pressure of p₃ = p₂ = 400 lbf/in.²

^{For a condenser pressure of p₅ = p₄ = 5 lbf/in.2, determine:

(a) the quality of the steam at the second-stage turbine exit.

(b) the cycle percent thermal efficiency.}

Problem 8.024
An ideal Rankine cycle with reheat uses water as the working fluid. As shown in the figure below, the conditions at the inlet to the first turbine stage are 1600 lbf/in.2, 1200°F and the steam is reheated to a
temperature of T3 800°F between the turbine stages at a pressure of P3 = P2 = 400 Ibf/in.2
P3= P2
3 T
Reheat
section
P2
Steam
generator
Turbine 1
Turbine 2
P1= 1600 lbf/in.2
T 1200°F
4
P6=P1= 1600 lbf/in.2
Condenser
Pump
5
Ps P4
x5 = 0 (saturated liquid)
For a condenser pressure of p5 = p4 = 5 lbf/in.2, determine:
(a) the quality of the steam at the second-stage turbine exit.
(b) the cycle percent thermal efficiency

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