Dipartimento d'Ingegneria

Research

Research (6)


E. Cardelli, A. Faba, N. Palotti, M. Pompei and F. Tissi - INTERMAG 2012, 7-11 May, Vancouver.

Abstract - This paper deals with the design and the experimental verification of two distinct magnetic field exposure systems for applications related respectively to the in vivo and the in vitro analysis of the magnetic field effects at extremely low frequency ELF. The performances of the two systems in exposure uniformity, magnetic induction and frequency range are discussed in the paper, and verified with a dedicated series of experimental tests. Finally some information about the level of temperature and vibration increase expected and their control are given, in order to show the capability of the exposure systems presented to be efficient tools for magnetic ELF exposure studies not affected by typical artifacts produced by this kind of mechanical parasitic effects.

E. Cardelli, A. Faba, " A Benchmark Problem of Vector Magnetic Hysteresis for Numerical Models", IEEE Transactions on Magnetics, VOL. 50, NO. 2, February 2014, ISSN: 0018-9464. 


Abstract - In this paper we present a benchmark problem for the validation of numerical models of vector magnetic hysteresis. The problem geometry and the measurement system are described. The materials considered are both oriented grain OG and not oriented grain NOG Si-Fe steels. A series of experimental data about magnetic field and magnetic induction loci under rotational magnetization are presented with the corresponding magnetic losses. The measured data can be useful as a reference for the numerical models testing, comparison and development. In addition, we propose here a comparison of the experimental data with the numerical results computed  using a vector hysteresis model based on the extension of the Preisach model in 2-d.

A presentation of this work is in the attachment file.

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