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dc.contributor.advisorCrow, Steven C.en_US
dc.contributor.authorBergmeier, Gene Georg, 1972-
dc.creatorBergmeier, Gene Georg, 1972-en_US
dc.date.accessioned2013-05-16T09:35:26Z
dc.date.available2013-05-16T09:35:26Z
dc.date.issued1997en_US
dc.identifier.urihttp://hdl.handle.net/10150/291664
dc.description.abstractThe acoustical signatures as observed by an auditor on the ground are explored for various radiating bodies. Specifically, a theory that describes the origin of sonic booms of two unsteady point sources and of an airplane is developed. In 1968, Garrick and Maglieri conducted an experiment where a General Dynamics F-106 was subjected to sinusoidal pitch oscillations. At the time, the results of the observed sonic boom were not understood; they had expected a distorted sonic boom. The theory presented in the present study offers an explanation of the results. An essential point needed in order to understand their observations is the source distribution for an acoustically radiating body. This source distribution occupies a region of space many times the length of the airplane. Therefore, any attempts to distort a sonic boom must deal with the grand scale of the source distribution.
dc.language.isoen_USen_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.subjectEngineering, Aerospace.en_US
dc.subjectPhysics, Acoustics.en_US
dc.titleSonic booms from unsteady sourcesen_US
dc.typetexten_US
dc.typeThesis-Reproduction (electronic)en_US
thesis.degree.grantorUniversity of Arizonaen_US
thesis.degree.levelmastersen_US
dc.identifier.proquest1386629en_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.disciplineAerospace and Mechanical Engineeringen_US
thesis.degree.nameM.S.en_US
dc.identifier.bibrecord.b37563531en_US
refterms.dateFOA2018-06-27T17:02:45Z
html.description.abstractThe acoustical signatures as observed by an auditor on the ground are explored for various radiating bodies. Specifically, a theory that describes the origin of sonic booms of two unsteady point sources and of an airplane is developed. In 1968, Garrick and Maglieri conducted an experiment where a General Dynamics F-106 was subjected to sinusoidal pitch oscillations. At the time, the results of the observed sonic boom were not understood; they had expected a distorted sonic boom. The theory presented in the present study offers an explanation of the results. An essential point needed in order to understand their observations is the source distribution for an acoustically radiating body. This source distribution occupies a region of space many times the length of the airplane. Therefore, any attempts to distort a sonic boom must deal with the grand scale of the source distribution.


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