Equivalent blackbody temperature: Difference between revisions
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{{Term | |||
|Display title=equivalent blackbody temperature | |||
{{ | |Definitions={{Definition | ||
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|Meaning=#For a radiating body, the [[temperature]] of a [[blackbody]] that emits the same [[radiant flux density]]. | |||
|Explanation=So defined, the equivalent blackbody temperature ''T''<sub>''E''</sub> is given by <blockquote>[[File:ams2001glos-Ee55.gif|link=|center|ams2001glos-Ee55]]</blockquote> where ''E'' is the radiant flux density emitted by the body, with [[SI]] units of watts per square meter, and σ (5.670 × 10<sup>-8</sup> W m<sup>-2</sup>K<sup>-4</sup>) is the [[Stefan–Boltzmann constant]]. This definition is not restricted to solid bodies but applies also to gases and liquids.<br/> | |||
#(Also known as [[brightness temperature]].) The apparent [[temperature]] of a nonblackbody determined by measurement with a [[radiometer]]. | |||
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Latest revision as of 08:13, 29 March 2024
- For a radiating body, the temperature of a blackbody that emits the same radiant flux density.
where E is the radiant flux density emitted by the body, with SI units of watts per square meter, and σ (5.670 × 10-8 W m-2K-4) is the Stefan–Boltzmann constant. This definition is not restricted to solid bodies but applies also to gases and liquids.
- (Also known as brightness temperature.) The apparent temperature of a nonblackbody determined by measurement with a radiometer.