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A note on transient underwater bubble sound
Försvarshögskolan, Militärvetenskapliga institutionen (MVI), Militärtekniska avdelningen (MTA).
1998 (engelsk)Inngår i: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 103, nr 2, s. 1205-1208Artikkel i tidsskrift, Letter (Fagfellevurdert) Published
Abstract [en]

This Letter considers scattered sound from transiently oscillating gas bubbles in liquids. The full transient problem including the finite duration of the excitation is analyzed. As a result, the wave front of the radiated sound pulse involving information about the excitation is also studied. The model presented is used to simulate sound pulses from sea-surface bubbles which have been generated by, for example, spilling breakers, capillary-gravity waves, and rain drops. Although very simple in relation to the actual physical process of excitation, this model enables us to predict some of the essential properties of scattered pulses observed experimentally. It is suggested that the time scale of duration of the initial driving that enters into the present analysis might be of some use in a further physical understanding of bubble generation and excitation.

sted, utgiver, år, opplag, sider
1998. Vol. 103, nr 2, s. 1205-1208
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URN: urn:nbn:se:fhs:diva-3955DOI: 10.1121/1.421251ISI: 000072042300059OAI: oai:DiVA.org:fhs-3955DiVA, id: diva2:627989
Tilgjengelig fra: 2013-06-13 Laget: 2013-06-11 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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