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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
570 Principles of Sustainable Energy Systems
© 2008 Taylor & Francis Group, LLC
cooling or heating season (f
C
, f
H
) and the seasonal coefcient of performance (COP) of the
cooling or heating equipment. Thus, Equation 9.40 can be expressed as
ES ES
ES
COP
ES
COP
ES ES
COPCOP
TL
CL
C
HL
H
TL
C
C
H
H
ff
ff
=+
=+
1
(9.41)
It should be noted that the increased solar gain due to daylighting has not been included
here but would reduce summer savings and increase winter savings. If it is assumed that
the increased wintertime daylighting solar gain approximately offsets the reduced light-
ing heat gain, then the last term in Equation 9.41 becomes negligible.
To determ ...
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Publisher Resources

ISBN: 9781466556966