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Article: Effects of a background axisymmetric potential flow on vortex ring pairing sound

TitleEffects of a background axisymmetric potential flow on vortex ring pairing sound
Authors
KeywordsPhysics
Sound
Issue Date1998
PublisherAcoustical Society of America. The Journal's web site is located at http://asa.aip.org/jasa.html
Citation
Journal of the Acoustical Society of America, 1998, v. 104 n. 6, p. 3273-3281 How to Cite?
AbstractSound generated by the pairing of two coaxial vortex rings in the presence of a background axisymmetric potential flow was studied numerically. Results show that the background flow substantially affects the sound generation process in the beginning of the vortex ring interaction. They also suggest that the axial jerk and radial acceleration/deceleration of vortex rings are the major mechanisms through which pairing sound is produced. The effect of background flow mean shear rate on sound generation is also discussed and the results suggest that higher sound levels will be generated when the vortex rings are interacting within the region of high mean shear in a low speed laminar jet. ©1998 Acoustical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/44942
ISSN
2023 Impact Factor: 2.1
2023 SCImago Journal Rankings: 0.687
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTang, SKen_HK
dc.contributor.authorKo, NWMen_HK
dc.date.accessioned2007-10-30T06:13:57Z-
dc.date.available2007-10-30T06:13:57Z-
dc.date.issued1998en_HK
dc.identifier.citationJournal of the Acoustical Society of America, 1998, v. 104 n. 6, p. 3273-3281-
dc.identifier.issn0001-4966en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44942-
dc.description.abstractSound generated by the pairing of two coaxial vortex rings in the presence of a background axisymmetric potential flow was studied numerically. Results show that the background flow substantially affects the sound generation process in the beginning of the vortex ring interaction. They also suggest that the axial jerk and radial acceleration/deceleration of vortex rings are the major mechanisms through which pairing sound is produced. The effect of background flow mean shear rate on sound generation is also discussed and the results suggest that higher sound levels will be generated when the vortex rings are interacting within the region of high mean shear in a low speed laminar jet. ©1998 Acoustical Society of America.en_HK
dc.format.extent200017 bytes-
dc.format.extent2671 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAcoustical Society of America. The Journal's web site is located at http://asa.aip.org/jasa.htmlen_HK
dc.relation.ispartofJournal of the Acoustical Society of America-
dc.rightsCopyright 1998 Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America. The following article appeared in Journal of the Acoustical Society of America, 1998, v. 104 n. 6, p. 3273-3281 and may be found at https://doi.org/10.1121/1.423967-
dc.subjectPhysicsen_HK
dc.subjectSounden_HK
dc.titleEffects of a background axisymmetric potential flow on vortex ring pairing sounden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0001-4966&volume=104&issue=6&spage=3273&epage=3281&date=1998&atitle=Effects+of+a+background+axisymmetric+potential+flow+on+vortex+ring+pairing+sounden_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1121/1.423967en_HK
dc.identifier.scopuseid_2-s2.0-0032427716-
dc.identifier.hkuros41039-
dc.identifier.volume104-
dc.identifier.issue6-
dc.identifier.spage3273-
dc.identifier.epage3281-
dc.identifier.isiWOS:000077367500019-
dc.identifier.issnl0001-4966-

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