quantitykind:Absorptance

PredicateObject
rdf:type qudt:QuantityKind
dcterms:description Absorptance is the ratio of the radiation absorbed by a surface to that incident upon it. Also known as absorbance.
qudt:applicableUnit unit:UNITLESS
qudt:hasDimensionVector qkdv:A0E0L0I0M0H0T0D1
qudt:informativeReference
qudt:latexDefinition \(\alpha = \frac{\Phi_a}{\Phi_m}\), where \(\Phi_a\) is the absorbed radiant flux or the absorbed luminous flux, and \(\Phi_m\) is the radiant flux or luminous flux of the incident radiation.
qudt:latexSymbol \(\alpha\)
qudt:plainTextDescription “Absorptance is the ratio of the radiation absorbed by a surface to that incident upon it. Also known as absorbance.”
qudt:wikidataMatch http://www.wikidata.org/entity/Q16635541
rdfs:comment “Applicable units are those of quantitykind:Absorptance”
rdfs:isDefinedBy http://qudt.org/3.1.10/vocab/quantitykind
rdfs:label “Absorptance”@en
vaem:todo “belongs to SOQ-ISO”
Generated 2026-01-15T09:03:10.866-05:00