Acoustic Effects of Broadening and Contracting Transition between Ducts of Different Cross-Section. Part II: Numerical Results and Measurements
A method for the description of the sound transmission in ducts with spatially varying properties (presented in ) is tested. A series of measurements was made using a model, consisting of a small duct with varying cross section. A comparison between measurements and numerically obtained results is made. Numerical examples are given for the transmission loss through duct transitions with absorbing lining and resonators. The acoustical behavior of a silencer housing consisting of a broadening, followed by a contracting transition is analyzed.
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Document Type: Research Article
Publication date: March 1, 2004
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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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