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Area Magnetic materials and components / Permeability and losses

IEV ref221-03-32

en
Rayleigh region
in a graphic representation of the relation between the magnetic flux density and the magnetic field strength relation in a material, a region near the origin within which the flux density can be described by a quadratic function of the field strength:

B μ 0 =( μ i +v H ^ )H± v 2 ( H ^ 2 H 2 ) MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaamOqaaqaaiabeY7aTnaaBaaajeaybaGaaGimaaWcbeaaaaGccqGH9aqpdaqadaqaaiabeY7aTnaaBaaaleaacaqGPbaabeaakiabgUcaRiaadAhacaaMc8UabmisayaajaaacaGLOaGaayzkaaGaamisaiabgglaXoaalaaabaGaamODaaqaaiaaikdaaaWaaeWaaeaaceWGibGbaKaadaahaaqcbawabeaacaaIYaaaaOGaeyOeI0IaamisamaaCaaajeaybeqaaiaaikdaaaaakiaawIcacaGLPaaaaaa@4E27@

where B is the magnetic flux density
µ0 is the magnetic constant
µi is the initial permeability
H is the magnetic field strength
H ^ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqadkeagaqcaaaa@3625@ is the peak value of H
and v is the Rayleigh hysteresis coefficient


fr
domaine de Rayleigh, m
dans une représentation graphique de la relation entre l'induction magnétique et le champ magnétique à l'intérieur d'un matériau, domaine autour de l'origine dans lequel l'induction peut être représentée par une fonction quadratique du champ:

B μ 0 =( μ i +v H ^ )H± v 2 ( H ^ 2 H 2 ) MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaamOqaaqaaiabeY7aTnaaBaaajeaybaGaaGimaaWcbeaaaaGccqGH9aqpdaqadaqaaiabeY7aTnaaBaaaleaacaqGPbaabeaakiabgUcaRiaadAhacaaMc8UabmisayaajaaacaGLOaGaayzkaaGaamisaiabgglaXoaalaaabaGaamODaaqaaiaaikdaaaWaaeWaaeaaceWGibGbaKaadaahaaqcbawabeaacaaIYaaaaOGaeyOeI0IaamisamaaCaaajeaybeqaaiaaikdaaaaakiaawIcacaGLPaaaaaa@4E27@

B est l'induction magnétique
µ0 est la constante magnétique
µi est la perméabilité initiale
H est le champ magnétique
H ^ MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqadkeagaqcaaaa@3625@ est la valeur de crête de H
et v est le coefficient d'hystérésis de Rayleigh


ar
عامل الفقد (مغناطيسي)

de
Rayleighgebiet, n

es
campo de Rayleigh
dominio de Rayleigh
región de Rayleigh

it
campo de Rayleigh

ja
レイリー領域

pl
zakres Rayleigha

pt
domínio de Rayleigh

sv
Rayleigh-område

Publication date: 1990-10
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