Difference between revisions of "Emissivity"
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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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Latest revision as of 07:54, 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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