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Kirigami Fog Nets

par Bintein, Pierre-Brice ;Cornu, Axel ;Vandewalle, Nicolas;Terwagne, Denis
Référence APS March Meeting 2019 (March 4–8, 2019: Boston, USA)
Publication Non publié, 2019-03-07

Communication à un colloque

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Résumé :

Fog is harvested in numerous arid coastal regions by nets placed in dominant winds to catch water droplets. We study experimentally how flexible meshes can adapt their shapes to wind and avoid clogging by capillary effects, in order to maintain a good efficiency of fog collection. By considering aerodynamic, capture and drainage requirements together with mechanical constraints, we propose an optimal geometry for kirigami nets of a given material.*This work was supported by the Fonds de la Recherche Scientifique – FNRS under Grant(s) n° PDR-WISD- 12