Validation of Bubble Dynamics Equation for a Nano-scale Bubble via Molecular Dynamics Simulation

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Abstract

For a validation of the application of conventional bubble dynamics to a nano-scale bubble behaviour, we simulated a nano-scale bubble collapsing or vibration by Molecular Dynamics (MD) method and compared the result with the solution of Rayleigh-Plesset (RP) equation and that of Confined RP (CRP) equation, whose boundary condition was corrected to be consistent with that of MD simulation. As a result, a good coincidence was obtained between MD, RP, and CRP in the case of one-component fluid. In addition, also a good correspondence was obtained particularly in the comparison between MD and CRP in the case of two-component fluid containing non-condensable gas. The present results indicate that conventional bubble dynamics equation can be applied even to a nano-scale tiny bubble.

Original languageEnglish
Article number012039
JournalJournal of Physics: Conference Series
Volume656
Issue number1
DOIs
Publication statusPublished - Dec 3 2015
Event9th International Symposium on Cavitation, CAV 2015 - Lausanne, Switzerland
Duration: Dec 6 2015Dec 10 2015

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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