Measurement of the Normal Frequencies of Stiff Strings
The normal frequencies of stiff strings are not harmonic and in a complicated manner depend on the mode number as well as on the mechanical parameters of the strings. Up to now precise measurements under well defined boundary conditions are not available. In this paper an experimental device is described which allows exactly the realization of “clamped” boundary condition. The lowest fifteen normal frequencies of several steel strings have been measured with an accuracy of about 0.1%. The parameters of the strings determining the frequency values have been obtained with like precision. All the values of frequency and inharmonicity observed are in full agreement with those calculated from theory.
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Document Type: Research Article
Publication date: January 1, 1967
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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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