Acoustic bubble sizing by the combination of subharmonic emissions with an imaging frequency
Acoustic bubble sizing by the combination of subharmonic emissions with an imaging frequency
The non-linear response of a bubble to an acoustic field results in the scattering of sum- and difference-frequencies when two frequencies are incident. This has in the past been used to size bubbles. since it is only when the pump frequency, Wp, is near the bubble resonance that the non-linear effects are observed. In addition, the subharmonic frequency emitted by the bubble can combine with the imaging frequency, Wi, to produce scattered signals at Wi ± (Wp /2). In this study, the ability of these signals to accurately size and resolve bubbles, both singly and in arrays, has been studied.
319-323
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Lingard, R.J.
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Walton, A.J.
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Field, J.E.
5698517c-4404-4bae-9f02-e43cc4b1b7fa
1991
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Lingard, R.J.
23647bb8-1aa8-480e-83f0-2819e8fb20e9
Walton, A.J.
2ac47979-cc42-4acd-9828-ead8a7897e85
Field, J.E.
5698517c-4404-4bae-9f02-e43cc4b1b7fa
Leighton, T.G., Lingard, R.J., Walton, A.J. and Field, J.E.
(1991)
Acoustic bubble sizing by the combination of subharmonic emissions with an imaging frequency.
Ultrasonics, 29 (4), .
(doi:10.1016/0041-624X(91)90029-8).
Abstract
The non-linear response of a bubble to an acoustic field results in the scattering of sum- and difference-frequencies when two frequencies are incident. This has in the past been used to size bubbles. since it is only when the pump frequency, Wp, is near the bubble resonance that the non-linear effects are observed. In addition, the subharmonic frequency emitted by the bubble can combine with the imaging frequency, Wi, to produce scattered signals at Wi ± (Wp /2). In this study, the ability of these signals to accurately size and resolve bubbles, both singly and in arrays, has been studied.
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# 1991 Leighton Lingard (ultrasonics).pdf
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Published date: 1991
Organisations:
Acoustics Group
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Local EPrints ID: 349521
URI: http://eprints.soton.ac.uk/id/eprint/349521
ISSN: 0041-624X
PURE UUID: 69645c32-680e-473e-83bc-faa6897eb2d5
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Date deposited: 06 Mar 2013 15:20
Last modified: 15 Mar 2024 02:45
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Author:
R.J. Lingard
Author:
A.J. Walton
Author:
J.E. Field
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