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1. Definitions of different emissivities
Material surfaces can exchange energy in the form of radiation. The amount of energy a surface can emit depends on its temperature and nature. Planck's law specifies the spectral luminance energy for a theoretical surface called a "black body":
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Definitions of different emissivities
Definitions of different emissivities
Calculating emissivity from the complex index
Bibliography
Norms and Standards
- Glass in construction – Determination of emissivity - NF EN 12898 - 2001
- Standard Test Methods for Total Normal Emittance of Surfaces Using Inspection-Meter Techniques, ASTM International, West Conshohocken, PA - ASTM E408-13 - 2013
- Standard Test Method for Total Hemispherical Emittance of Surfaces up to 1 400 °C, ASTM International, West Conshohocken, PA - ASTM C835-06 - 2006
- Standard Test Method...
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