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Acoustic attenuation, phase and group velocities in liquid-filled pipes III: nonaxisymmetric propagation and circumferential modes in lossless conditions

Acoustic attenuation, phase and group velocities in liquid-filled pipes III: nonaxisymmetric propagation and circumferential modes in lossless conditions
Acoustic attenuation, phase and group velocities in liquid-filled pipes III: nonaxisymmetric propagation and circumferential modes in lossless conditions
Equations for the nonaxisymmetric modes that are axially and circumferentially propagating in a liquid-filled tube with elastic walls surrounded by air/vacuum are presented using exact elasticity theory. Dispersion curves for the axially propagating modes are obtained and verified through comparison with measurements. The resulting theory is applied to the circumferential modes, and the pressures and the stresses in the liquid-filled pipe are calculated under external forced oscillation by an acoustic source. This provides the theoretical foundation for the narrow band acoustic bubble detector that was subsequently deployed at the Target Test Facility (TTF) of the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL), TN.
acoustic wave absorption, acoustic waveguides, elasticity, pipe flow, underwater sound
0001-4966
1225-1236
Baik, Kyungmin
0a0130e8-bec9-4cd0-8172-7e352d04f764
Jiang, Jian
b034e623-ea89-4b17-88e3-4276c260db99
Leighton, Timothy G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Baik, Kyungmin
0a0130e8-bec9-4cd0-8172-7e352d04f764
Jiang, Jian
b034e623-ea89-4b17-88e3-4276c260db99
Leighton, Timothy G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae

Baik, Kyungmin, Jiang, Jian and Leighton, Timothy G. (2013) Acoustic attenuation, phase and group velocities in liquid-filled pipes III: nonaxisymmetric propagation and circumferential modes in lossless conditions. Journal of the Acoustical Society of America, 133 (3), 1225-1236.

Record type: Article

Abstract

Equations for the nonaxisymmetric modes that are axially and circumferentially propagating in a liquid-filled tube with elastic walls surrounded by air/vacuum are presented using exact elasticity theory. Dispersion curves for the axially propagating modes are obtained and verified through comparison with measurements. The resulting theory is applied to the circumferential modes, and the pressures and the stresses in the liquid-filled pipe are calculated under external forced oscillation by an acoustic source. This provides the theoretical foundation for the narrow band acoustic bubble detector that was subsequently deployed at the Target Test Facility (TTF) of the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL), TN.

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More information

Published date: March 2013
Keywords: acoustic wave absorption, acoustic waveguides, elasticity, pipe flow, underwater sound
Organisations: Acoustics Group

Identifiers

Local EPrints ID: 350007
URI: https://eprints.soton.ac.uk/id/eprint/350007
ISSN: 0001-4966
PURE UUID: b5837970-b2ef-4b82-a6c1-b16ea59d39c0
ORCID for Timothy G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

Catalogue record

Date deposited: 14 Mar 2013 15:07
Last modified: 06 Jun 2018 13:08

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