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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
276 Principles of Sustainable Energy Systems
© 2008 Taylor & Francis Group, LLC
Angle of incidence i for the solar collector is given by Equation 5.46:
cossin()sin( .)cos( )i =−−°°cos(41.7 )cos( 13.7 10°°°) 30 41 730 ii 23 4.
To calculate the solar radiation using Equations 5.44, 5.45, 5.47, and 5.49, we need to nd
I
b,N
and I.
Extraterrestrial solar radiation
II
n
=+
+
°
0
10034
10034
.
.
cos
360
365.25
= 1353 W/mc
2
oos
= 1392 W/m
2
360 32
365 25
×
.
(Find k from Table 5.3 and assume C
n
is 1)
ICIe
n
k
b,N
/
=
sin α
=
=
1392
355
0 144 41 7
2
e
./sin( .)°
2
1121 W/morBtu/h ft
Beam radiation on the collector (Equation 5.45)
II i
bc bN,,
2
= cos
= (1121) ...
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Publisher Resources

ISBN: 9781466556966