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Surface Reflection of Noise Generated by a Moving Line Source

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The problem of specular reflection and diffuse .scattering of a line source noise is analyzed. The results can be used for the prediction of the A-weighted sound pressure level and the A-weighted sound exposure level for a single train. The latter can be used for calculation of the equivalent continuous A-weighted sound pressure when buildings line one side of a track.

Zusammenfassung

Es wird das Problem der geometrischen Reflexion und der diffusen Streuung von einer linienhaften Geräuschquelle untersucht. Die Ergebnisse können für die Vorhersage des Agewichteten Schalldruckpegels und des A-gewichteten mittleren Schallpegels für einen einzelnen Zug benutzt werden. Aus dem letzteren kann der A-gewichtete äquivalente Dauerschallpegel berechnet werden, wenn eine Seite dés Schienenstranges bebaut ist.

Sommaire

Nous traitons les problèmes de réflexion spéculaire et de diffusion d'un bruit produit par une source linéique. Les résultats peuvent servir à la prévision du niveau de pression en pondération A et à celle du niveau d'exposition également en pondération A. Ce dernier peut être utilisé pour le calcul du niveau de pression continu équivalent dans le cas où une rangée d'immeubles borde la voie.
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Document Type: Research Article

Publication date: 01 November 1994

More about this publication?
  • 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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