Difference between revisions of "Absorptance Absorbtance"
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Absorptance Absorbtance
(symbol A, a, or Missing Image:IMG SRC="equat/alphasm.gif" WIDTH=14 HEIGHT=11 ALT="alpha lower case")
The ratio of the radiant flux absorbed by a body to that incident
upon it. Also called
absorption factor. Compare
absorptivity.
Total absorptance refers to absorptance measured over
all wavelengths.
Spectral absorptance refers to absorptance
measured at a specified wavelength.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
