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,,Hbrator ampullaceusu“, Eine Langssohwingungsform zur Erzeugung grĂ–sster Schallschnellen und Wandlerleistungen

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The value of a mechanical resonator, being shaped according to the sectional area function S(x) = S K e −ax 2 is investigated, both for the purpose of very high amplitude generation, and for its use as an electro-mechanical transducer, operating at resonance.

For identical magnitudes of the peak stresses one can obtain an amplitude gain of 60% over the exponential cone; and of 280% over a resonator of constant sectional area. — The possible power gain, as compared with a transducer of constant sectional area, amounts to 100% approximately for equality of volume. If the sectional areas in the nodes of motion are made equal, the power gain becomes about 60%.
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Document Type: Research Article

Publication date: January 1, 1962

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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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