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The detection and dimension of bubble entrainment and comminution

The detection and dimension of bubble entrainment and comminution
The detection and dimension of bubble entrainment and comminution
Data on bubble entrainment and comminution are gathered in three experiments, involving the breakup of a disk of air trapped between two plates, and bubble cloud generation under a waterfall, and a plunging jet. In the second two cases, an automated acoustic system for characterizing the entrainment is employed. The data sets are compared with an existing theory for bubble fragmentation, in which a key parameter is the number of spatial dimensions associated with the insertion of randomly positioned planes which are used to divide up the bubble. While an appropriate best-fit theoretical curve can be obtained for the bubble population histograms generated by air disk comminution, waterfalls and plunging jets produce multimodal distributions which the theory cannot model. The differing roles of shape oscillations and surface waves in bubble fragmentation, and the issues involved with incorporating these into the model, are examined.
0001-4966
1825-1835
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
White, Paul
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Schneider, M F
b0bd4412-97f4-453f-8112-f3ff7ccac7b0
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
White, Paul
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Schneider, M F
b0bd4412-97f4-453f-8112-f3ff7ccac7b0

Leighton, T.G., White, Paul and Schneider, M F (1998) The detection and dimension of bubble entrainment and comminution. Journal of the Acoustical Society of America, 103 (4), 1825-1835. (doi:10.1121/1.421374).

Record type: Article

Abstract

Data on bubble entrainment and comminution are gathered in three experiments, involving the breakup of a disk of air trapped between two plates, and bubble cloud generation under a waterfall, and a plunging jet. In the second two cases, an automated acoustic system for characterizing the entrainment is employed. The data sets are compared with an existing theory for bubble fragmentation, in which a key parameter is the number of spatial dimensions associated with the insertion of randomly positioned planes which are used to divide up the bubble. While an appropriate best-fit theoretical curve can be obtained for the bubble population histograms generated by air disk comminution, waterfalls and plunging jets produce multimodal distributions which the theory cannot model. The differing roles of shape oscillations and surface waves in bubble fragmentation, and the issues involved with incorporating these into the model, are examined.

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Published date: 1998
Organisations: Acoustics Group

Identifiers

Local EPrints ID: 349540
URI: https://eprints.soton.ac.uk/id/eprint/349540
ISSN: 0001-4966
PURE UUID: 77aa6a1e-62e5-4368-809d-78164cd92fed
ORCID for T.G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750
ORCID for Paul White: ORCID iD orcid.org/0000-0002-4787-8713

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Date deposited: 06 Mar 2013 17:11
Last modified: 06 Jun 2018 13:12

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