A mathematical and experimental analysis of a catenoidal horn used as a coupling device for underwater acoustic transducers.
Dykeman, Charles J.
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With the great demand for extending the ranges of active sonar on today's ships, analysis into lower frequency transmission and better power transfer is of great importance. This paper uses wave theory to analyze a steel horn and its effect on impedance, frequency response, and directivity of an electro-mechanical transducer. The horn was found to make the transducer a broader band device bet only a small gain was observed in power output. The author wishes to express his appreciation to the Transducer Depart ment of the Submarine Signal Division, Raytheon Company for the free use of their facilities and the excellent cooperation given in the successful completion of this paper. He especially wishes to thank Mr. Joseph Kuzneski, Mr. Serge T 7isotsky and Mr. Claude Ledoux for their valuable assistance.
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Baker, Steven R.; Ellsworth, John Merle (Monterey, California. Naval Postgraduate School, 1991-10); NPS-PH-92-002The achievable gain in the radiation resistance and directivity of a low-frequency underwater transducer due to the presence of an array of sympathetic resonators has been analyzed. The resonators were all taken to be air ...
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