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bn:03794989n
Noun Concept
Categories: Heat transfer, Radiometry, Physical quantities
EN
emissivity  emittance  Greybody  Nonselective radiator  thermal emissivity
EN
The emissivity of the surface of a material is its effectiveness in emitting energy as thermal radiation. Wikipedia
Definitions
Relations
Sources
EN
The emissivity of the surface of a material is its effectiveness in emitting energy as thermal radiation. Wikipedia
Effectiveness of an object in emitting thermal radiation Wikidata
The ratio of the radiation emitted by a surface to that emitted by a black body at the same temperature. OmegaWiki
The energy-emitting propensity of a surface, usually measured at a specific wavelength. Wiktionary
IS A
physical quantity
dimensionless quantity
PART OF
Stefan–Boltzmann law
RECOMMENDED UNIT OF MEASUREMENT
one
SAID TO BE THE SAME AS
thermal emittance
Wikipedia
EN
emissivity
Wikidata
EN
emissivity
Wiktionary
EN
emissivity
OmegaWiki
EN
emissivity
Wikipedia Redirections
EN
Greybody, Nonselective radiator, thermal emissivity
Wikidata Alias
EN
emittance

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