Structure-Borne Sound Radiation from Train Carriages Using a Cylinder Model
This work focusses on the sound radiation from carriages excited by structure-borne sound sources. A generic train carriage model – a hollow, infinite, circular cylinder – is used to investigate the principal features. The calculation is based on the solution of the Donnel-Mushtari-Vlasov-equations using a transform approach comprising the exterior cylindrical sound radiation. Results are presented in terms of vibro-acoustic transfer functions from a point force or moment excitation to the sound pressure outside the carriage. Typical sound pressure distribution patterns are identified in three different frequency ranges and the features of multipoint excitation and phase influence are addressed.
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Document Type: Research Article
Publication date: January 1, 2006
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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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