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2019-06-06 - Colloque/Présentation - poster - Anglais - page(s)

Draux Ayrton , Amin Ali Mohamed , Gosselin Emmanuel , Waeyenbergh Stéphane , De Coninck Joël , "Water condensation study on patterned surfaces" in 2nd workshop on Surface Wettability Effects on Phase Change Phenomena (SWEP), Mons, Belgique, 2019

  • Codes CREF : Physique (DI1200), Physique des surfaces (DI1265)
  • Unités de recherche UMONS : Laboratoire de Physique des Surfaces et Interfaces (S877)
  • Instituts UMONS : Institut de Recherche en Science et Ingénierie des Matériaux (Matériaux), Institut de Recherche en Energétique (Energie)
  • Centres UMONS : Ingénierie des matériaux (CRIM)
Texte intégral :

Abstract(s) :

(Anglais) It has been shown over the last decade that wettability plays a key role in condensation. It is now well recognized that dropwise condensation on hydrophobic surfaces is better than filmwise condesation on hydrophilic surfaces. Biomimicry nevertheless indicates that surfaces with gradients of wettability or patchesare even better. The purpose of this research is to explore the interest of hydrophilic patches on top of an hydrophobic surface to enhance condensation. The first step is based on the design of an unique setup allowing to control the multiple parameters appearing in such kind of experience: size of microdroplets, orientation with respect to the solid surface, impact speed, …