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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
417Solar Heating and Cooling of Buildings
© 2008 Taylor & Francis Group, LLC
Therefore,
h
5
= 70kJ/kg-sol.
and for
TPX
ab11
90 ===Cand 8.65kPa, 0.605, 215kJ/kg-sol
1
h
For
TX h
hh
333
23
38
1
==
==
C, 0.605, 110kJ/kg-sol
10kJ/kg
Relative ow rates for the absorbent (LiBr) and the refrigerant (H
2
O) are obtained from
material balances. A total material balance on the generator gives

mmm
617
=+
while a LiBr balance gives

mmXX
rab61
=
where
X
ab
is the concentration of LiBr in absorbent of solution
X
r
is the concentration of LiBr in refrigerant–absorbent of solution
Substituting (m
·
1
+ m
·
7
) for m
·
6
gives

mX mX mX
ab15 75 1
+=
Since the uid entering the condenser is pur ...
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Publisher Resources

ISBN: 9781466556966