Answered: A steam power plant operates between…

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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A steam power plant operates between the pressure limit of 3.0 Mpa for the boiler and 75 kPa for the condenser. The plant operates in an ideal Rankine cycle with reheater with superheated vapor enters the high pressure turbine at 3 Mpa and 300 oC, and leaves at 1 MPa. Steam is then reheated at constant pressure to 300 oC before it is expanded to 75 kPa in a low pressure turbine. Determine:
a) the moisture content at the inlet of the condenser,
b) the net work per unit mass of steam flowing, in kJ/kg,
c) the heat transfer to the steam in the boiler in kJ per kg of steam,
d) the thermal efficiency,
e) the heat transfer to cooling water passing through the condenser, in kJ per kg of steam flowing.


h1 (kJ/kg)	Format : 563.82
v1 (m3/kg)	Format : 0.002063
h2 (kJ/kg)	Format : 586.86
h3 (kJ/kg)	Format : 6948.7
s3 (m3/kg)	Format : 8.2883
x4	Format : 0.5509
h4 (kJ/kg)	Format : 7533.46
h5 (kJ/kg)	Format : 8082.4
s5 (m3/kg)	Format : 5.8565
x6	Format : 0.545
h6 (kJ/kg)	Format : 4864.97
W (kJ/kg)	Format : 862.08
Qin (kJ/kg)	Format : 8808.32

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