Harmonic Radiations in the Field of a Baffled Piston

Harmonic Radiations in the Field of a Baffled Piston

When the radiation from a baffled piston is sufficiently intense, a number of novel and perhaps useful phenomena related to harmonic generation appear, as a result of nonlinear interactions in the sound field. This paper reports some recent studies of several of the more prominent and interesting of...

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Bibliographische Detailangaben
Hauptverfasser: Muir,T G, Blackstock,D T, Lockwood,J C, Willette,J G, Shooter,J A
Format: Report
Sprache:eng
Schlagworte:
ACOUSTIC ATTENUATION
Acoustic Detection and Detectors
ACOUSTIC EMISSIONS
ACOUSTIC FIELDS
ACOUSTIC WAVES
Acoustics
HARMONIC ANALYSIS
Piston effect
PISTONS
UNDERWATER SOUND
WAVEFORMS
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Beschreibung
Zusammenfassung:When the radiation from a baffled piston is sufficiently intense, a number of novel and perhaps useful phenomena related to harmonic generation appear, as a result of nonlinear interactions in the sound field. This paper reports some recent studies of several of the more prominent and interesting of these phenomena; in particular, shock formation, finite amplitude attenuation, and the propagation and directivity of harmonic radiations. Theory pertinent to the delineation of acoustic fields is given, along with the results of several experiments done in a fresh water lake. Pub. in Proceedings of Specialist Meeting on Non-linear Underwater Acoustics Sponsored by the British Acoustical Society, Birmingham Univ. (England), 1-2 Apr 71 p100-113 1971.