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Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
book

Principles of Sustainable Energy Systems, Second Edition, 2nd Edition

by Frank Kreith, Susan Krumdieck
August 2013
Intermediate to advanced content levelIntermediate to advanced
790 pages
30h 5m
English
CRC Press
Content preview from Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
477Solar Process Heat and Thermal Power
© 2008 Taylor & Francis Group, LLC
Since s
4
is less than s
4g
, 4 is a wet state
ssXs sMs
t4
=+
fg
gf
g
or
where X is the vapor quality and M is the moisture.
M
ss
s
hhMh
4
4
4
8 152 6 9193
7 5009
0 1641=
=
=
=− =
g
fg
gfg
..
.
. or 16.41%
22584 701641 2392 8 2192..(.)
−=
kJ/kg
Therefore,
hh hh
=−
−−=
43 34
085 3507 2192 2389
η
turbine
()
.( ) = 3507 kJ/kgg
Actual moisture at the turbine exhaust is
hhMh
M
hh
h
=−
=
=
=
4
4
4
2584 7 2389
2391
0 0817
o
gfg
g
fg
.
.rr 817.%
Net work kJ/kg=−−−=
()()hh hh
34 21
1109
η=
=
=
Net work
or
hh
32
1109
3507 200
0 3354 33 54
..
%
η
Carnot
=
=
813 313
813
0 615 61 5
KK
K
or
..
%
Several improvements can be made to the basic Ra ...
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Publisher Resources

ISBN: 9781466556966