Shape, vibrations, and effective surface tension of water marbles

Edward Bormashenko; Roman Pogreb; Gene Whyman; Albina Musin; Yelena Bormashenko; Zahava Barkay

doi:10.1021/la8028484

Shape, vibrations, and effective surface tension of water marbles

Edward Bormashenko, Roman Pogreb, Gene Whyman, Albina Musin, Yelena Bormashenko, Zahava Barkay

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

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Abstract

The surface of water "marbles" obtained with hydrophobic lycopodium and polyvinylidene fluoride particles was investigated first with environmental scanning electron microscopy. The shape of water marbles was studied both experimentally and theoretically. The mathematical model describing the deformation of marbles by gravity is proposed. The model allowed the calculation of the effective surface tension of marbles and gives 0.09 J/m ² for marbles coated with PVDF and 0.06 J/m² for marbles coated with lycopodium. The effective surface tensions of marbles calculated independently by the horizontal vibration of marbles were in semiquantitative agreement with the above values (0.07 J/m² for marbles coated with PVDF and 0.055 J/m² for marbles coated with lycopodium).

Original language	English
Pages (from-to)	1893-1896
Number of pages	4
Journal	Langmuir
Volume	25
Issue number	4
DOIs	https://doi.org/10.1021/la8028484
State	Published - 17 Feb 2009

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abstract = "The surface of water {"}marbles{"} obtained with hydrophobic lycopodium and polyvinylidene fluoride particles was investigated first with environmental scanning electron microscopy. The shape of water marbles was studied both experimentally and theoretically. The mathematical model describing the deformation of marbles by gravity is proposed. The model allowed the calculation of the effective surface tension of marbles and gives 0.09 J/m 2 for marbles coated with PVDF and 0.06 J/m2 for marbles coated with lycopodium. The effective surface tensions of marbles calculated independently by the horizontal vibration of marbles were in semiquantitative agreement with the above values (0.07 J/m2 for marbles coated with PVDF and 0.055 J/m2 for marbles coated with lycopodium).",

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T1 - Shape, vibrations, and effective surface tension of water marbles

AU - Bormashenko, Edward

AU - Pogreb, Roman

AU - Whyman, Gene

AU - Musin, Albina

AU - Bormashenko, Yelena

AU - Barkay, Zahava

PY - 2009/2/17

Y1 - 2009/2/17

N2 - The surface of water "marbles" obtained with hydrophobic lycopodium and polyvinylidene fluoride particles was investigated first with environmental scanning electron microscopy. The shape of water marbles was studied both experimentally and theoretically. The mathematical model describing the deformation of marbles by gravity is proposed. The model allowed the calculation of the effective surface tension of marbles and gives 0.09 J/m 2 for marbles coated with PVDF and 0.06 J/m2 for marbles coated with lycopodium. The effective surface tensions of marbles calculated independently by the horizontal vibration of marbles were in semiquantitative agreement with the above values (0.07 J/m2 for marbles coated with PVDF and 0.055 J/m2 for marbles coated with lycopodium).

AB - The surface of water "marbles" obtained with hydrophobic lycopodium and polyvinylidene fluoride particles was investigated first with environmental scanning electron microscopy. The shape of water marbles was studied both experimentally and theoretically. The mathematical model describing the deformation of marbles by gravity is proposed. The model allowed the calculation of the effective surface tension of marbles and gives 0.09 J/m 2 for marbles coated with PVDF and 0.06 J/m2 for marbles coated with lycopodium. The effective surface tensions of marbles calculated independently by the horizontal vibration of marbles were in semiquantitative agreement with the above values (0.07 J/m2 for marbles coated with PVDF and 0.055 J/m2 for marbles coated with lycopodium).

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Shape, vibrations, and effective surface tension of water marbles

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