Difference between revisions of "Emissivity"

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value for the average emissivity (1 - [[reflectivity]]) - i.e. what fraction of incoming sunlight is reflected by the surface, rather than absorbed
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The emissivity of a material governs its emission of thermal radiation at a given temperature, and is the ratio by which the material emits less than a black body. The number is between 0 and 1, and is usually (1 - [[reflectivity]]).
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{{Physics Stub}}
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[[Category: Physics]]

Latest revision as of 08:54, 14 June 2007

The emissivity of a material governs its emission of thermal radiation at a given temperature, and is the ratio by which the material emits less than a black body. The number is between 0 and 1, and is usually (1 - reflectivity).

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