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dc.contributor.advisorCoppens, Alan B.
dc.contributor.authorDavis, Norman Ewing
dc.contributor.authorKenyon, Morton William
dc.descriptionApproved for public release; distribution is unlimiteden_US
dc.description.abstractStudies of the effects of sinusoidal surface waves on the propagation of sound in a waveguide reveal a significant resonance effect under certain "matching" conditions of the wavelength of the surface wave and the wavelength of the acoustical sound field. An acoustic waveguide with constant cross-section and pressure release boundaries was designed with a termination to minimize reflection of both surface and acoustic waves so that traveling surface wave and traveling acoustic waves could be generated simultaneously. With acoustic and surface waves present, the existence of predicted resonances was verified and a strong resonance was examined for comparison with theory. The predicted effects have been qualitatively and quantitatively supported.en_US
dc.publisherMonterey, California. Naval Postgraduate Schoolen_US
dc.rights.uriThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
dc.titleA preliminary study of a surface wave-acoustical normal mode resonance in a fluid-filled rectangular waveguide with pressure-release boundariesen_US
dc.contributor.secondreaderSanders, James V.
dc.contributor.corporateNaval Postgraduate School (U.S.)
dc.contributor.departmentDecember 1974
dc.subject.authorNormal modeen_US
dc.subject.authorPerturbation resonanceen_US
dc.subject.authorWave propagationen_US
dc.subject.authorWave interactionen_US
dc.subject.authorSinusoidal wavesen_US
dc.subject.authorSinusoidal surfacesen_US
dc.subject.authorDucted propagationen_US
dc.subject.authorPerturbation solutionen_US
dc.description.serviceLieutenant Commander, United States Navyen_US
etd.thesisdegree.nameM.S. in Engineering Acousticsen_US
etd.thesisdegree.disciplineEngineering Acousticsen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US

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