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Dämmung federnd gelagerter Balken

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Calculations have been made of the sound insulation when sound is transmitted through a spring element to the free end of a beam of infinite length and to a beam infinite on both sides respectively and, furthermore, of the effect of a loading mass fixed to the beam at the excitation point. To some extent comparison is made with results of laboratory experiments and practical applications. In the systems described above a bending wave is excited on the beam by the lateral force transmitted by the spring element. The influence on the level difference of wave propagation in the coupling element and of its losses has been studied on steel and rubber springs. The properties of springs important for applications are discussed.
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Document Type: Research Article

Publication date: January 1, 1956

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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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