Über das Reflexionsverhalten schwacher Stosswellen an akustischen Absorbern in Luft
In an air-driven shock tube the reflection of weak shock waves for two types of porous sound absorbers is investigated. Velocity and pressure amplitude of the reflected shock waves are measured. The shock reflection for the absorbers is compared with the shock reflection from cross-section discontinuities, without friction. The attenuation of shock waves in a Rayleigh model of an acoustic absorber is estimated. Using wedges of sound absorbing material, there are no reflected shock waves in the vicinity of the wedges.
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Document Type: Research Article
Publication date: January 1, 1963
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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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