Submerged (under-liquid) floating of light objects

Edward Bormashenko; Roman Pogreb; Roman Grynyov; Yelena Bormashenko; Oleg Gendelman

doi:10.1021/la4018823

Submerged (under-liquid) floating of light objects

Edward Bormashenko, Roman Pogreb, Roman Grynyov, Yelena Bormashenko, Oleg Gendelman

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A counterintuitive submerged floating of objects lighter than the supporting liquid was observed. Polymer plates with dimensions on the order of magnitude of the capillary length were hydrophilized with cold air plasma were floated in an "under-liquid" regime (totally covered by liquid) when immersed in water or glycerol. Profiles of liquid surfaces curved by polymer plates are measured. We propose a model explaining the phenomenon. The floating of Janus plates is reported.

Original language	English
Pages (from-to)	10700-10704
Number of pages	5
Journal	Langmuir
Volume	29
Issue number	34
DOIs	https://doi.org/10.1021/la4018823
State	Published - 27 Aug 2013

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10.1021/la4018823

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author = "Edward Bormashenko and Roman Pogreb and Roman Grynyov and Yelena Bormashenko and Oleg Gendelman",

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AU - Bormashenko, Edward

AU - Pogreb, Roman

AU - Grynyov, Roman

AU - Bormashenko, Yelena

AU - Gendelman, Oleg

PY - 2013/8/27

Y1 - 2013/8/27

N2 - A counterintuitive submerged floating of objects lighter than the supporting liquid was observed. Polymer plates with dimensions on the order of magnitude of the capillary length were hydrophilized with cold air plasma were floated in an "under-liquid" regime (totally covered by liquid) when immersed in water or glycerol. Profiles of liquid surfaces curved by polymer plates are measured. We propose a model explaining the phenomenon. The floating of Janus plates is reported.

AB - A counterintuitive submerged floating of objects lighter than the supporting liquid was observed. Polymer plates with dimensions on the order of magnitude of the capillary length were hydrophilized with cold air plasma were floated in an "under-liquid" regime (totally covered by liquid) when immersed in water or glycerol. Profiles of liquid surfaces curved by polymer plates are measured. We propose a model explaining the phenomenon. The floating of Janus plates is reported.

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Submerged (under-liquid) floating of light objects

Abstract

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