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Article Dans Une Revue International Journal of Heat and Mass Transfer Année : 1994

Design of surface microrelief with selective radiative properties

Résumé

The radiative properties of a material can be modified by its surface microrelief. We show that if the typical length of the surface roughness is smaller than a fraction of wavelength, the roughness can be treated as a homogeneous equivalent layer. Using this model and standard optimization techniques, we have developed an algorithm for the design of surfaces of a given material with prescribed radiative properties. As examples, we propose a relief structure that decreases the reflectivity of glass between 8 and 12 μn and another one that increases the emissivity of platinum in the infrared.

Dates et versions

hal-01617543 , version 1 (16-10-2017)

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A. Sentenac, J.-J. Greffet. Design of surface microrelief with selective radiative properties. International Journal of Heat and Mass Transfer, 1994, 37 (4), pp.553 - 558. ⟨10.1016/0017-9310(94)90127-9⟩. ⟨hal-01617543⟩
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