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2024 | OriginalPaper | Buchkapitel

Effect of Surface Structures on Droplet Impact Over Flat and Cylindrical Surfaces

verfasst von : Saptaparna Patra, Avik Saha, Arup Kumar Das

Erschienen in: Fluid Mechanics and Fluid Power, Volume 5

Verlag: Springer Nature Singapore

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Abstract

In this chapter, droplet impact and bounce off over different hydrophobic surfaces have been studied numerically. For that volume of fluid based solver has been used. The solver has been validated with the experimental observations of droplet impact on a flat surface. At first droplet, impact over a flat surface with and without pillars and stripes has been studied and directional spreading dynamics has been investigated. The study has been further extended for cylindrical surfaces and droplet split-off has been observed. Thereafter effect of different types of structured surfaces (pillared, axially striped, and circumferentially stripped) on the droplet split-off phenomena has been observed and the fluidic reason behind has been analyzed. Also, droplet angle of wrap and height over cylinder has been compared for different surface structures.

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Titel: Effect of Surface Structures on Droplet Impact Over Flat and Cylindrical Surfaces
verfasst von: Saptaparna Patra
Avik Saha
Arup Kumar Das
Verlag: Springer Nature Singapore
Buch: Fluid Mechanics and Fluid Power, Volume 5
Print ISBN: 978-981-9960-73-6

Electronic ISBN: 978-981-9960-74-3

Copyright-Jahr: 2024
DOI: https://doi.org/10.1007/978-981-99-6074-3_17

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