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In the study of heat transfer, absorptance of the surface of a material is its effectiveness in absorbing radiant energy. It is the ratio of the absorbed to the incident radiant power.
Measurement, Mathematical definitions & Overview
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surface absorbed radiant denoted defined displaystyle mathrm received hemispherical spectral directional radiance phi flux frequency wavelength aν aλ respectively nu
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Absorptance | related to Directional absorptance | Directional | 0.60 | section |
| Absorptance | related to Directional absorptance | AΩ | 0.60 | section |
| Absorptance | related to Hemispherical absorptance | Hemispherical | 0.60 | section |
| Absorptance | related to Spectral directional absorptance | Spectral | 0.60 | section |
| Absorptance | related to Spectral directional absorptance | Aν | 0.60 | section |
| Absorptance | related to Spectral directional absorptance | Aλ | 0.60 | section |
| Absorptance | related to Spectral hemispherical absorptance | Spectral | 0.60 | section |
| Absorptance | related to Spectral hemispherical absorptance | Aν | 0.60 | section |
| Absorptance | related to Spectral hemispherical absorptance | Aλ | 0.60 | section |
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