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A mechanism stimulating sound production from air bubbles released from a nozzle

A mechanism stimulating sound production from air bubbles released from a nozzle
A mechanism stimulating sound production from air bubbles released from a nozzle
Gas bubbles in water act as oscillators with a natural frequency inversely proportional to their radius and a quality factor determined by thermal, radiation, and viscous losses. The linear dynamics of spherical bubbles are well understood, but the excitation mechanism leading to sound production at the moment of bubble creation has been the subject of speculation. Experiments and models presented here show that sound from bubbles released from a nozzle can be excited by the rapid decrease in volume accompanying the collapse of the neck of gas which joins the bubble to its parent
0001-4966
EL126-EL132
Deane, Grant B.
13aa7f2e-4038-47ed-bef0-8525147bf248
Czerski, Helen
8704500e-b00f-41c0-bfa3-b5f08e7e39d6
Deane, Grant B.
13aa7f2e-4038-47ed-bef0-8525147bf248
Czerski, Helen
8704500e-b00f-41c0-bfa3-b5f08e7e39d6

Deane, Grant B. and Czerski, Helen (2008) A mechanism stimulating sound production from air bubbles released from a nozzle. Journal of the Acoustical Society of America, 123 (6), EL126-EL132. (doi:10.1121/1.2908198).

Record type: Article

Abstract

Gas bubbles in water act as oscillators with a natural frequency inversely proportional to their radius and a quality factor determined by thermal, radiation, and viscous losses. The linear dynamics of spherical bubbles are well understood, but the excitation mechanism leading to sound production at the moment of bubble creation has been the subject of speculation. Experiments and models presented here show that sound from bubbles released from a nozzle can be excited by the rapid decrease in volume accompanying the collapse of the neck of gas which joins the bubble to its parent

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Published date: June 2008

Identifiers

Local EPrints ID: 165653
URI: http://eprints.soton.ac.uk/id/eprint/165653
DOI: doi:10.1121/1.2908198
ISSN: 0001-4966
PURE UUID: 944fc37f-04d0-42d5-a308-5944219f89cf

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Date deposited: 19 Oct 2010 13:13
Last modified: 14 Mar 2024 02:11

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Contributors

Author: Grant B. Deane
Author: Helen Czerski

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