Answered: 5 An ideal Rankine cycle with reheat…

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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5 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 = 200 lbf/in.²

For a condenser pressure of p₅ = p₄ = 9 lbf/in.², determine:

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

(b) the cycle percent thermal efficiency.

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 Ibf/in.?, 1200°F and the steam is reheated to a temperature of T3 = 800°F between the turbine stages at a
pressure of p3 = P2 = 200 lbf/in.2
P3 = P2
3 T
Reheat
section
P2
Steam
generator
Turbine 1 i Turbine 2
PI = 1600 Ibflin 2
T| = 1200°F
4
PA
P6=P1 = 1600 lbf/in.2
Condenser
Pump
P5 = P4
Xş = 0 (saturated liquid)
Wp
For a condenser pressure of p5 = p4 = 9 Ibf/in.?, determine:
(a) the quality of the steam at the second-stage turbine exit.
(b) the cycle percent thermal efficiency.
1

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