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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
352 Principles of Sustainable Energy Systems
© 2008 Taylor & Francis Group, LLC
7.1.1 Selective Surfaces
Two types of special surfaces of great importance in solar collector systems are selective
and reecting surfaces. Selective surfaces combine a high absorptance for solar radiation
with a low emittance for the temperature range in which the surface emits radiation. This
combination of surface characteristics is possible because 98% of the energy in incoming
solar radiation is contained within wavelengths below 3 μm, whereas 99% of the radiation
emitted by black or gray surfaces at 400 K is at wavelengths longer than 3μm. The dotted
line in ...
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Publisher Resources

ISBN: 9781466556966