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absorptance |
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absorptance [əb′sȯrp·təns] (physics) The ratio of the total unabsorbed radiation to the total incident radiation; equal to one (unity) minus the transmittance. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Four correction factors were used: the LOCR window transmittance
(TW), the LOCR receiver absorptance (AR), the relative aperture
transmittance (TA), and the LOCR electrical calibration (kL). Both can be used
for the electrical substitution equivalence measurement and their
separate positions allow checking the effectiveness of the heating
system for equivalence of optical and electrical power absorptance by
the cavity. To extend the uncertainty analysis to the NIR, one
has to check the absorptance by the chromium oxide coated receiver
cavity in the NIR. |
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