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Schwingungsuntersudiungen an Eisenbahnschienen im Ultraschall-Bereich

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1. The accelerations in the frequency range 10 to 100 kc/s experienced by the rail during the passage of a train are measured. The spectrum falls off slowly with rising frequency ; this depends only on the type of excitation (as shown by model research).

2. The mode of vibration of the rail is investigated. Dispersion regions appear between 35 and 60 kc/s. A large waviness appears along the rail, ascribed to the superposition of standing waves of many types, and a function of the place of excitation. The attenuation in this frequency range is less than 0.3 dB/m. Electric welds produced an attenuation < 1 dB, but thermite welds up to 6 dB, for the progressive waves.
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Document Type: Research Article

Publication date: January 1, 1957

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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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