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Über das Verhalten von Bariumtitanat-Rohrschwingern, die in Radialresonanz nach auβen abstrahlen

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The impedance curve of Ba-TiO2-transducers in the neighbourhood of radial resonance shows in external radiation an efficiency of about 90%. The behaviour of such transducer when employed in radially-symmetrical cooling systems is investigated.

By sending part of the radially-emitted sound wave into an elliptical reflector a good directional effect is obtained; one such transducer of large surface for a power of 1.6 kW (2 W/cm2) is described.
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Document Type: Research Article

Publication date: January 1, 1959

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  • 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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