Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session G18: Drops: Sessile and Static Surface Interactions
3:00 PM–3:52 PM,
Sunday, November 19, 2023
Room: 146A
Chair: Marc Pradas, Open University
Abstract: G18.00001 : De-icing by ultrasounds*
3:00 PM–3:13 PM
Presenter:
Pierre-Brice Bintein
(Laboratoire MSC CNRS Université Paris Cité)
Authors:
Pierre-Brice Bintein
(Laboratoire MSC CNRS Université Paris Cité)
Arnaud Grados
(Laboratoire MSC CNRS Université Paris Cité)
Sébastien Jammes
(Laboratoire MSC CNRS Université Paris Cité)
Jordan Bonté
(Laboratoire MSC CNRS Université Paris Cité)
Laurent Royon
(Laboratoire LIED CNRS Université Paris Cité)
Philippe Brunet
(Laboratoire MSC CNRS Université Paris Cité)
Ice adhesion is a frequent yet still poorly understood issue, impacting various fields as aircraft or ships surfaces, wind turbines, power lines and other outdoor infrastructures.
Here we study the de-icing of a plate by surface ultrasound waves which induce delamination of a frozen droplet, that is, cracks along the ice-plate contact plane. We quantify the adhesion on substrates of various rugosities and hydrophobic coatings, and we rationalize the acoustic de-icing under well-controlled conditions.
*We acknowledge support from the Labex SEAM
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