Breitbandabsorber für Flüssigkeitsschall
A new wide-band absorber for water-borne sound to line measuring tanks is investigated experimentally and theoretically. The frequency range is 5 to 50 kc/s. The absorber consists of rubber-elastic materials the after-effect of which is used for the energy absorption and which are made more compressible than rubber or water by making them porous or by inserting larger holes. Parallel ribs of the material form parallel ducts, in which the sound energy is being absorbed; to match the characteristic impedance of the medium and the absorber the duct walls are wedge-shaped at their exposed sides.
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Document Type: Research Article
Publication date: January 1, 1952
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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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