Transient excitation of insonated bubbles
Transient excitation of insonated bubbles
When a previously non-oscillating bubble is first insonated, its radial motion can contain transients. Before the oscillation settles down to the steady-state, these transients may enhance the violence of the volume pulsations. The temperature attained within the bubble can be much greater than that reached during the steady-state motion. This phenomenon may contribute to the increased cavitational effects (such as sonoluminescence or ultrasonic bioeffects) observed when ultrasound is pulsed, and when the transducer and liquid sample are in relative motion
50-53
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
January 1989
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Abstract
When a previously non-oscillating bubble is first insonated, its radial motion can contain transients. Before the oscillation settles down to the steady-state, these transients may enhance the violence of the volume pulsations. The temperature attained within the bubble can be much greater than that reached during the steady-state motion. This phenomenon may contribute to the increased cavitational effects (such as sonoluminescence or ultrasonic bioeffects) observed when ultrasound is pulsed, and when the transducer and liquid sample are in relative motion
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Published date: January 1989
Organisations:
Acoustics Group
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Local EPrints ID: 349511
URI: http://eprints.soton.ac.uk/id/eprint/349511
ISSN: 0041-624X
PURE UUID: 30384e27-1a3e-4277-9198-f811d3f121d2
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Date deposited: 07 Mar 2013 10:26
Last modified: 15 Mar 2024 02:45
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