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Acoustic attenuation, phase and group velocities in liquid-filled pipes: theory, experiment, and examples of water and mercury

Acoustic attenuation, phase and group velocities in liquid-filled pipes: theory, experiment, and examples of water and mercury
Acoustic attenuation, phase and group velocities in liquid-filled pipes: theory, experiment, and examples of water and mercury
Del Grosso’s [Acustica 24, 299–311 (1971)] formulation, which predicts the phase speed of propagating axisymmetric modes inside a liquid-filled tube, is here extended to the complex domain in order to predict the attenuation, as well as the sound speed, of the modes as a function of frequency. Measurements of the sound speeds and the attenuations of the modes were performed in a water-filled Poly (methyl methacrylate) (PMMA) tube of internal radius, b=4.445 cm, in the range of the wavenumber-radius product, k1b, from 2 to 10. Parts of three or four modes were investigated and the measured sound speeds and the damping of the modes were compared with the theoretical predictions. The theory was then used to estimate the modal sound speeds and attenuations in a stainless-steel pipe filled with mercury having the same dimensions as are used in the Spallation Neutron Source at Oak Ridge National Laboratory, Tennessee.
0001-4966
2610-2624
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. (2010) Acoustic attenuation, phase and group velocities in liquid-filled pipes: theory, experiment, and examples of water and mercury. Journal of the Acoustical Society of America, 128 (5), 2610-2624. (doi:10.1121/1.3495943).

Record type: Article

Abstract

Del Grosso’s [Acustica 24, 299–311 (1971)] formulation, which predicts the phase speed of propagating axisymmetric modes inside a liquid-filled tube, is here extended to the complex domain in order to predict the attenuation, as well as the sound speed, of the modes as a function of frequency. Measurements of the sound speeds and the attenuations of the modes were performed in a water-filled Poly (methyl methacrylate) (PMMA) tube of internal radius, b=4.445 cm, in the range of the wavenumber-radius product, k1b, from 2 to 10. Parts of three or four modes were investigated and the measured sound speeds and the damping of the modes were compared with the theoretical predictions. The theory was then used to estimate the modal sound speeds and attenuations in a stainless-steel pipe filled with mercury having the same dimensions as are used in the Spallation Neutron Source at Oak Ridge National Laboratory, Tennessee.

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More information

Published date: November 2010
Organisations: Inst. Sound & Vibration Research

Identifiers

Local EPrints ID: 348724
URI: https://eprints.soton.ac.uk/id/eprint/348724
ISSN: 0001-4966
PURE UUID: 17578da3-df4c-4cf5-9577-fc3204bfe905
ORCID for Timothy G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

Catalogue record

Date deposited: 18 Feb 2013 14:48
Last modified: 20 Jul 2019 01:21

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