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A New Type of Low Frequency High Power Terfenol-D Underwater Acoustical Transducer

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Abstract:

A new type of the low frequency high power underwater acoustical transducer is described. That is a series of Terfenol-D "Fish-mouth" flextensional transducers with the resonant frequency 210 Hz, 450 Hz, 800 Hz and 1200 Hz. Their transmitting current responses are 160 dB, 162 dB, 166 dB and 170 dB. Their source level is 180 dB, 182 dB, 185 dB and 190 dB. As well as their size and weight (in air) is 600×240×300 mm3 / 28 kg, 400×160×240 mm3 / 11 kg, 240×90×180 mm3 / 4.5 kg and 210×90×160 mm3 / 3.8 kg, respectively.

Document Type: Research Article

Publication date: 2002-09-01

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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