Measurement of the self-radiation impedance of an ultrasonic transducer with a square vibrating surface | Zendy

Jungsoon Kim | Zendy; Moojoon Kim | Zendy

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Measurement of the self-radiation impedance of an ultrasonic transducer with a square vibrating surface

Author(s) -

Jungsoon Kim,

Moojoon Kim

Publication year - 2017

Publication title -

the journal of the acoustical society of korea

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.162

H-Index - 2

eISSN - 2287-3775

pISSN - 1225-4428

DOI - 10.7776/ask.2017.36.2.108

Subject(s) - ultrasonic sensor , acoustics , transducer , square (algebra) , electrical impedance , radiation , acoustic impedance , materials science , surface (topology) , optics , physics , engineering , electrical engineering , mathematics , geometry

We have experimentally analyzed the self-radiation impedance of an ultrasonic transducer with a square radiation surface that is used as a vibrator in underwater ultrasonic detection systems. The radiation reactance and the radiation resistance were measured in the range from 1 to 3 of ka that is the product of a wave number and a length of the edge of the square vibrator. By comparing the measured results with those of theoretical calculation of the radiation impedance using a series, we confirmed the validity of the experimental method and experimentally confirmed the variation trend in the radiation impedance of the square radiation surface.

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