Droplet bouncing on the surface with micro-structure

• Autorzy: Bobinski T. , Sobieraj G. , Psarski M. , Celichowski G. , Rokicki J.
• Języki publikacji: EN

Abstrakty

EN

In this paper, we present static and dynamic interactions of water droplets with a micro-structured surface that exhibits hydrophobic properties. Droplets with two different diameters (D0 = 0.6 ± 0.1 mm and D0 = 2.6 ± 0.1 mm) were studied for impact velocities in the range of 0.1 ÷ 2.5 m/s. This allowed to investigate the influence of gravity on the collision behavior during an impact. The main result of the present research is the determination of the critical conditions for consecutive transitions leading to various scenarios of droplet rebound for each of the investigated surface geometry.

Słowa kluczowe

EN

bouncing; superhydrophobic surfaces; droplet impingement; pinning

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2017
• Tom: Vol. 69, nr 2
• Strony: 177--193
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Bobinski T.

• Institute of Aeronautics and Applied Mechanics Warsaw University of Technology Nowowiejska 24 00-665 Warsaw, Poland
• Physique et Mécanique des Milieux Hétérogènes PMMH, UMR 7636 ESPCI-CNRS-UPMC-UPD 10 rue Vauquelin F-75005 Paris, France

autor

Sobieraj G.

• Institute of Aeronautics and Applied Mechanics Warsaw University of Technology Nowowiejska 24 00-665 Warsaw, Poland

autor

Psarski M.

• Department of Materials Technology and Chemistry University of Lodź Pomorska 163 90-236 Lodź, Poland

autor

Celichowski G.

• Department of Materials Technology and Chemistry University of Lodź Pomorska 163 90-236 Lodź, Poland

autor

Rokicki J.

• Institute of Aeronautics and Applied Mechanics Warsaw University of Technology Nowowiejska 24 00-665 Warsaw, Poland

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).