Sound absorption by slit resonators
A theory is presented that permits the approximate calculation of the frequency of maximum sound absorption of constructions consisting of a perforated rigid panel mounted at a short distance before a rigid wall, the perforation being a system of infinitely long parallel and identical slits. The precision seems to meet all practical requirements. The results of some experiments, corroborating the theory, are given. A comparison is made between slit perforation and perforation with circular holes. For both cases design charts are given.
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Document Type: Research Article
Publication date: January 1, 1951
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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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