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Water entry of a superhydrophobic low-density sphere

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Title: Water entry of a superhydrophobic low-density sphere
Authors: Ueda, Y. Browse this author
Tanaka, M. Browse this author
Uemura, T. Browse this author
Iguchi, M. Browse this author
Keywords: Air cavity
Hydrophobic surface
Entry into water
Low-density sphere
Issue Date: Nov-2010
Publisher: Springer Berlin / Heidelberg
Journal Title: Journal of Visualization
Volume: 13
Issue: 4
Start Page: 289
End Page: 292
Publisher DOI: 10.1007/s12650-010-0054-x
Abstract: This paper virtually demonstrates an air cavity formed by a superhydrophobic low-density sphere entering into water with the use of a high-speed camera. Unlike the previous results for a high-density sphere, the low-density sphere pinches off the resulting air cavity at the shorter depth before the cavity has fully grown, and attracts minimal air on the rear surface due to rapid deceleration of the sphere in water. The analytical model previously proposed on the time evolution of the cavity shape is thus shown to be no longer valid for the low-density sphere.
Rights: The original publication is available at
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 植田 芳昭

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