Abstract
Observations of the motion of a rising bubble in a wormlike micellar system are presented, obtained in both a rotating toroidal cell and a stationary box. For equimolar concentrations of aqueous CTAB/NaSal (8–11 mM), bubbles larger than a certain volume undergo oscillations in shape which include an apparent cusp. The average frequency of these oscillations is found to increase with bubble volume.
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Received: 12 November 1999 Accepted: 5 April 2000
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Belmonte, A. Self-oscillations of a cusped bubble rising through a micellar solution. Rheol. Acta 39, 554–559 (2000). https://doi.org/10.1007/s003970000098
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DOI: https://doi.org/10.1007/s003970000098