Demagnetizing channel factor and "bundle" of magnetization channels in granular medium

Abstract

The paper examines the chain of balls of densely packed granular medium (with mutually contacting granules) as a specific "elementary" magnet, responsible for the magnetization of the granular medium. Using this example it is shown that traditional "finite" problem of volume averaging of the magnetic properties of two-component ferromagnetic medium can be extended with specific values of magnetic permeability of elementary effective channel of magnetization. These values may be not only average, but also profiled. The authors obtained demagnetizing factor data of the granular samples on the basis of characteristics of average permeability. The relevant processing of demagnetizing factor allowed to find the general expression for its location. It is shown that the relevant data of various magnetization channel cores and samples of polyspherical medium correlates accurately.

Keywords

granular media / demagnetizing factor of the channel / the permeability of the elementary effective channel of magnetization

References

[1] Сандуляк А.В. Модель намагничивания пористой среды. //Журнал технической физики, 1982, т.52. в.11. с. 2267-2269.

[2] Сандуляк А.В. Физическая модель осаждения ферромагнитных частиц в намагниченной гранулированной среде. - ДАН Укр.ССР. 1983. №9, сер.Б. с. 49-53.

[3] Сандуляк А.В. Эпюра магнитной проницаемости шариковой среды. - Сб. Теоретическая электротехника (Вища школа, изд-во при Львовском универстете), 1983. в.35,.с.157-162.

[4] Сандуляк А.В. Намагничивание цепочки шаров. //Техническая электродинамика. 1984. №5. с.102-104.

[5] Сандуляк А.В. Очистка жидкостей в магнитном поле. Вища школа (изд-во при Льв. ун-те), 1984. 167с.

RIGHTS & PERMISSIONS

Sandulyak A.V., Sandulyak A.A., Ershov V.A.