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Viscosity Destabilizes Sonoluminescing Bubbles
Toegel, Ruediger and Luther, Stefan and Lohse, Detlef (2006) Viscosity Destabilizes Sonoluminescing Bubbles. Physical Review Letters, 96 (11). p. 114301. ISSN 0031-9007
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| Abstract: | In single-bubble sonoluminescence (SBSL) microbubbles are trapped in a standing sound wave, typically in water or water-glycerol mixtures. However, in viscous liquids such as glycol, methylformamide, or sulphuric acid it is not possible to trap the bubble in a stable position. This is very peculiar as larger viscosity normally stabilizes the dynamics. Suslick and co-workers call this new mysterious state of SBSL "moving-SBSL." We identify the history force (a force nonlocal in time) as the origin of this destabilization and show that the instability is parametric. A force balance model quantitatively accounts for the observed quasiperiodic bubble trajectories. |
| Item Type: | Article |
| Copyright: | © 2006 American Physical Society |
| Faculty: | Science and Technology (TNW) |
| Research Group: | |
| Link to this item: | http://purl.utwente.nl/publications/59087 |
| Official URL: | http://dx.doi.org/10.1103/PhysRevLett.96.114301 |
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