Modified Honeycomb Panels to Improve Sound Insulation Properties
A modified honeycomb panel with improved bonding technique is presented in this paper. The idea is to keep the basic mechanical properties of a honeycomb panel while to eliminate the coincidence phenomenon of the whole system by using modified bonding technique. A specimen was made and measurement was performed. Results show that the coincidence phenomenon of the whole system disappears and the weighted intensity sound reduction index is 4 dB higher than that of the corresponding honeycomb panel with similar surface density and static strength.
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Document Type: Research Article
Publication date: 2005-03-01
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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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