DOAJ Open Access 2022

Puncture of a Viscous Liquid Film Due to Droplet Falling

Viktor G. Grishaev Ivan K. Bakulin Alidad Amirfazli Iskander S. Akhatov

Abstrak

Droplet impact may rupture a liquid film on a non-wettable surface. The formation of a stable dry spot has only been studied in the inviscid case. Here, we examine the break-up of viscous films, and demonstrate the importance and role of the viscous dissipation in both film and droplet. A new model was therefore proposed to predict the necessary droplet energy to create a dry spot. It also showed that the dissipation contribution in film dominates when the ratio of the thicknesses to drop diameter is larger than 7/4.

Topik & Kata Kunci

Thermodynamics Descriptive and experimental mechanics

Penulis (4)

Viktor G. Grishaev

Ivan K. Bakulin

Alidad Amirfazli

Iskander S. Akhatov

Format Sitasi

APA MLA BibTeX

Grishaev, V.G., Bakulin, I.K., Amirfazli, A., Akhatov, I.S. (2022). Puncture of a Viscous Liquid Film Due to Droplet Falling. https://doi.org/10.3390/fluids7060196

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Informasi Jurnal

Tahun Terbit: 2022
Sumber Database: DOAJ
DOI: 10.3390/fluids7060196
Akses: Open Access ✓