Difference between revisions of "Internal Absorptance"

Latest revision as of 10:00, 1 March 2009

2-1-210

Internal Absorptance (of a homogeneous non-diffusing plate)

The ratio of the luminous flux absorbed between the entry and exit surfaces of the plate, to the flux which leaves the entry surface.

Symbol: ai ai + Ti = 1

Reference: C.I.E. (modified)

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

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