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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
367Solar Heating and Cooling of Buildings
© 2008 Taylor & Francis Group, LLC
The constants C
1
and C
2
can be determined by substituting the two boundary conditions
and solving the two resulting equations for C
1
and C
2
. This gives
TT IU
Tx TIU
my
mw
cass c
bass c
−+
−+
=
()
()()
cosh
cosh
α
α
/
/
0
(7.29)
From the preceding equation, the rate of heat transfer to the conduit from the portion of
the plate between two conduits can be determined by evaluating the temperature gradient
at the base of the n, or
qkt
dT
dy m
IUTx
Tm
w
fin
c
yw
ss cb a
=− =−
[]
{}
=
1
0
α () tanh (7.30)
Since the conduit is connected to ns on both sides, the total rate of heat transfer is
qx wIUTxT
mw ...
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Publisher Resources

ISBN: 9781466556966