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Article Dans Une Revue International Journal of Heat and Mass Transfer Année : 2021

Radiative cooling for dew condensation

Résumé

We describe a radiative cooling chamber which reproduces in the laboratory radiative cooling and subsequent dew formation. Based on radiative exchange with a cold source (at a temperature of nearly-80 • C), which acts as a cold black body, cooling power of at least 50 W.m −2 is achieved. Radiative exchange is quantitively estimated. This original device permits to study under controlled air temperature and humidity the formation of dew on any system (material, biological) for which contact cooling is inefficient, and in particular investigate the influence of radiative and wetting surface properties on dew yield. It is applicable to the study of dew itself and its effects on plants and small animals, as well as dew atmospheric chemistry, and more generally of any natural radiative cooling application.
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Dates et versions

hal-04005202 , version 1 (26-02-2023)

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Joachim Trosseille, Anne Mongruel, Laurent Royon, Daniel Beysens. Radiative cooling for dew condensation. International Journal of Heat and Mass Transfer, 2021, 172, pp.121160. ⟨10.1016/j.ijheatmasstransfer.2021.121160⟩. ⟨hal-04005202⟩
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