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Электрофизический механизм возникновения явления поверхностного эффекта в металлическом проводнике с электрическим переменным током проводимости

Authors: Baranov, M.I.;

Электрофизический механизм возникновения явления поверхностного эффекта в металлическом проводнике с электрическим переменным током проводимости

Abstract

Предложен электрофизический механизм, объясняющий возникновение неравномерного распределения напряженностей собственного переменного электромагнитного поля ЭМП по толщине массивного изотропного немагнитного металлического проводника прямоугольного поперечного сечения с электрическим переменным током проводимости i0t различных амплитудно-временных параметров. В основу механизма, обосновывающего проявление поверхностного эффекта в указанном проводнике, положен закон электромагнитной индукции Фарадеяndash;Максвелла. Математически показано, что возникающие в материале проводника от действия переменного тока проводимости i0t и соответственно собственного переменного магнитного потока Ф0t индукционные переменные токи проводимости и их переменные магнитные поля при dФ0t/dt0 ослабляют распределенные внутри проводника напряженности собственного переменного ЭМП, а при dФ0t/dt0 поддерживают уменьшающиеся во времени и по глубине материала проводника напряженности ЭМП.

An electrophysical mechanism explaining the origin of an uneven distribution of the field strength of the intrinsic alternating electromagnetic field EMF over the thickness of the bulk homogeneous nonmagnetic metal conductor with a rectangular cross-section with an alternating current i0t of different peak-temporal parameters is suggested. This mechanism, justifying the manifestation of the surface effect in the specified conductor, is based on the Faradayndash;Maxwell law of electromagnetic induction. It is mathematically shown that inductive alternating conduction currents and their alternating EMF arising in the conductor material due to the action of an alternating conduction current i0t and, accordingly, an intrinsic alternating magnetic flux Ф0t at dФ0t/dt0 weaken the intrinsic alternating EMF strength distributed inside the conductor, and at dФ0t/dt0 they maintain the EMF strength diminishing with time and the material depth.

Country
Moldova (Republic of)
Related Organizations
Keywords

mechanism of origin of the superficial effect, alternating electromagnetic field, metal conductor, механизм возникновения поверхностного эффекта, переменное электромагнитное поле, металлический проводник, law of electromagnetic induction, электрический переменный ток проводимости, alternating current, закон электромагнитной индукции

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green