Energy of a Drop Required to Break a Liquid Film | Zendy

Viktor Grishaev | Zendy; Ivan K. Bakulin | Zendy; Alidad Amirfazli | Zendy; Ivan S. Borodulin | Zendy; Iskander Akhatov | Zendy

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Energy of a Drop Required to Break a Liquid Film

Author(s) -

Viktor Grishaev,

Ivan K. Bakulin,

Alidad Amirfazli,

Ivan S. Borodulin,

Iskander Akhatov

Publication year - 2021

Publication title -

langmuir

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.042

H-Index - 333

eISSN - 1520-5827

pISSN - 0743-7463

DOI - 10.1021/acs.langmuir.1c01147

Subject(s) - breakup , drop (telecommunication) , surface energy , drop impact , break up , materials science , energy balance , impact crater , mechanics , energy (signal processing) , wetting , liquid drop , contact angle , thermodynamics , composite material , physics , mechanical engineering , engineering , quantum mechanics , astronomy

An external disturbance can destabilize and break a liquid film on a nonwettable surface. Previous studies focused on evaluating critical film thickness for a spontaneous breakup, but the required energy has been unknown. We experimentally found that the energy of a drop to break a liquid film is an order of magnitude more than that predicted by a free energy balance. Here, we show how to evaluate the energy needed to rupture a liquid film by considering the formation of a crater with a critical size.

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