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Acoustic impedance; Algorithms; Mathematical models; Optimization; Porosity; Porous materials; Viscous flow; Champoux-Allard model; Inverse characterization methods; Particular absorbing materials; Thermal characteristics

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1985 (1)
1981 (1)
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Recurso libre

Inverse acoustical characterization of open cell porous media using impedance tube measurements
Atalla, Youssef; Grp. Acoust. l'Univ. de Sherbrooke, Dept. Génie Mécanique, Université de Sherbrooke, Sherbrooke, Que. J1K 2R1, Canada - Panneton, Raymond; Grp. Acoust. l'Univ. de Sherbrooke, Dept. Génie Mécanique, Université de Sherbrooke, Sherbrooke, Que. J1K 2R1, Canada

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, ,
Enlaces:	Unlike porous models developed for particular absorbing materials and frequency ranges, the Johnson-Champoux-Allard model is a generalized model for sound propagation in porous materials over a wide range of frequencies. This model is nowadays used widely across the acoustic research…
Fecha:	2005-03-01
Recurso:	Canadian Acoustics

Recurso libre

Acoustics in the Division of Building Research
Warnock, A.C. C.; National Research Council of Canada, Division of Building Research, Ottawa, Ontario KlA 0R6

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, ,
Enlaces:	The Noise and Vibration Section of the Division of Building Research (DBR) is concerned as the name suggests, with problems of acoustics and vibration as they relate to buildings. The work in the Section includes (1) studies of basic physical…
Fecha:	1981-07-01
Recurso:	Canadian Acoustics

Recurso libre

Analysis of criteria for impulse noise in the context of regularity limits on exposure in the workplace, Analyse des Criteres d'Impulsionnalite des Bruits dans le Contexte des Limites Reglementaires d'Exposition en Milieu de Travail
Hetu, R.; Ecole d'Orthophonie et d'Audiologie, Montreal Univ., Que., Canada

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, ,
Enlaces:	The auditory effects of impulse noise have gained considerable interest among hearing researchers during the last decade. But available evidence relating hearing damage risk to the various physical parameters of this kind of noise still form a fragmental body of…
Fecha:	1985-07-01
Recurso:	Canadian Acoustics