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Application of Huyghens' Principle to the Calculation of the Sound Radiation of Transformers

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From the classical expression of Huyghens' Principle have been derived two series of laws relating to the sound radiation from transformers. The first series of relations allows the calculation of the radiation field from the magnetic circuits using the critical portion of their vibratory characteristics. The second (series) expresses the variation of the peak sound between similar apparatuses, subjected to the same excitation, as a function of their power and their weight.

The application of these laws to the study of the contribution of the magnetostriction of the iron stampings to the noise of the transformers confirms the importance of this factor, and leads to the evaluation of the minimum theoretical sound peak, radiated by an apparatus solely under the action of this source.
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Document Type: Research Article

Publication date: January 1, 1966

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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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