Suppressing shape instabilities to discover the Bjerknes force instability (L)

Suppressing shape instabilities to discover the Bjerknes force instability (L)

For sufficiently strong acoustic forcing in a standing wave field, subresonant size bubbles are predicted to be repelled from the pressure antinode. Single bubble sonoluminescence (SBSL) conditions in water do not allow the observation of this instability. This study investigates the possibility tha...

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Veröffentlicht in:The Journal of the Acoustical Society of America 2011-11, Vol.130 (5), p.3321-3324
Hauptverfasser: Alibakhshi, Mohammad A., Holt, R. Glynn
Format: Artikel
Sprache:eng
Schlagworte:
Acoustics
Antinodes
Bubbles
Computer Simulation
Diffusion
Instability
Liquids
Luminescence
Models, Theoretical
Motion
Noble Gases
Numerical Analysis, Computer-Assisted
Oscillometry
Particle Size
Pressure
Retarding
Sonoluminescence
Stability
Time Factors
Viscosity
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Beschreibung
Zusammenfassung:For sufficiently strong acoustic forcing in a standing wave field, subresonant size bubbles are predicted to be repelled from the pressure antinode. Single bubble sonoluminescence (SBSL) conditions in water do not allow the observation of this instability. This study investigates the possibility that increasing the viscosity of the host liquid can preferentially suppress shape instabilities of a bubble and allow SBSL experiments to be limited by the Bjerknes force instability.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.3626129