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Investigation of a radially vibrating, oil filled cylindrical ceramic transducer with a variable internal impedance and devoid of all forms of pressure release

By Guy C. Jarratt


A radially vibrating, oil filled, cylindrical ceramic transducer devoid of all forms of pressure release provides a means of transmitting sound at unlimited depths. A study was made of the admittance characteristics in the vicinity of resonance of a transducer of this type, which was constructed with a variable acoustic impedance in the oil filled interior. The results were compared with theoretical computations, which proved helpful in analyzing and interpreting the resonances of the transducer. Additional measurements were made on the transducer and were utilized in the computation of electroacoustic efficiency at the major resonances. The writer wishes to express his appreciation for the assistance and encouragement given him in this investigation by Mr. Joe Martin of the Bendix- Pacific Division of North Hollywood, California., United States Nav

Topics: Electronics
Publisher: Monterey, California: U.S. Naval Postgraduate School
Year: 1963
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