Dynamics of a vapor nanobubble collapsing near a solid boundary

Francesco Magaletti; Mirko Gallo; Luca Marino; Carlo Massimo Casciola

doi:10.1088/1742-6596/656/1/012012

Dynamics of a vapor nanobubble collapsing near a solid boundary

Francesco Magaletti, Mirko Gallo, Luca Marino, Carlo Massimo Casciola

School of Computing, Engineering & Maths

Research output: Chapter in Book/Conference proceeding with ISSN or ISBN › Conference contribution with ISSN or ISBN › peer-review

Abstract

In the present paper a diffuse interface approach [1] is used to address the collapse of a sub-micron vapor bubble near solid boundaries. This formulation enables an unprecedented description of interfacial flows that naturally takes into account topology modification and phase changes (both vapor/liquid and vapor/supercritical fluid transformations). Results from numerical simulations are exploited to discuss the complex sequence of events associated with the bubble collapse near a wall, encompassing shock-wave emissions in the liquid and reflections from the wall, their successive interaction with the expanding bubble, the ensuing asymmetry of the bubble and the eventual jetting phase.

Original language	English
Title of host publication	Journal of Physics: Conference Series
Volume	656
Edition	1
DOIs	https://doi.org/10.1088/1742-6596/656/1/012012
Publication status	Published - 3 Dec 2015
Event	9th International Symposium on Cavitation, CAV 2015 - Lausanne, Switzerland Duration: 6 Dec 2015 → 10 Dec 2015

Publication series

Name	Journal of Physics: Conference Series
ISSN (Print)	1742-6588

Conference

Conference	9th International Symposium on Cavitation, CAV 2015
Country	Switzerland
City	Lausanne
Period	6/12/15 → 10/12/15

Bibliographical note

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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Magaletti_2015_J._Phys.__Conf._Ser._656_012012Final published version, 5.09 MBLicence: CC BY

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title = "Dynamics of a vapor nanobubble collapsing near a solid boundary",

abstract = "In the present paper a diffuse interface approach [1] is used to address the collapse of a sub-micron vapor bubble near solid boundaries. This formulation enables an unprecedented description of interfacial flows that naturally takes into account topology modification and phase changes (both vapor/liquid and vapor/supercritical fluid transformations). Results from numerical simulations are exploited to discuss the complex sequence of events associated with the bubble collapse near a wall, encompassing shock-wave emissions in the liquid and reflections from the wall, their successive interaction with the expanding bubble, the ensuing asymmetry of the bubble and the eventual jetting phase.",

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Dynamics of a vapor nanobubble collapsing near a solid boundary. / Magaletti, Francesco; Gallo, Mirko; Marino, Luca; Casciola, Carlo Massimo.

Journal of Physics: Conference Series. Vol. 656 1. ed. 2015. (Journal of Physics: Conference Series).

Research output: Chapter in Book/Conference proceeding with ISSN or ISBN › Conference contribution with ISSN or ISBN › peer-review

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