NDLI: Magnetometric Demagnetizing Factors for Various Shapes of Rotational Symmetry

Content Provider	IEEE Xplore Digital Library
Author	Soda, N. Horii, T. Kobayashi, M.
Copyright Year	1965
Abstract	We have investigated the magnetometric demagnetizing factors of rotation-symmetrical magnetic bodies of relative permeability mu placed in a uniform magnetic field parallel to the axis of rotation. The bodies we considered include a cylinder, a sphere, a bicone, and a rotating astroid. We numerically calculated the magnetometric demagnetizing factors from the surface magnetic charge densities sigma obtained by the surface magnetic charge simulation method. We show that the magnetometric demagnetizing factors for various shapes of rotation-symmetrical bodies are significantly different from those of a sphere. We have determined the shape producing the largest demagnetizing field in ferromagnetic bodies with sufficiently large relative permeability mu . We report the magnetometric demagnetizing factors for uniformly magnetized bodies (mu = 1 , i.e., susceptibility chi = 0 ) of various shapes.
Sponsorship	IEEE Magnetics Society
Starting Page	5289
Ending Page	5295
Page Count	7
File Size	408840
File Format	PDF
ISSN	00189464
Volume Number	45
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Demagnetization Shape Magnetic flux Magnetostatics Magnetization Magnetic fields Permeability Magnetic susceptibility Magnetic materials Engine cylinders rotational symmetry Bicone constant permeability cylinder demagnetizing factor magnetostatics rotating astroid
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Demagnetizing Factors for Nonuniform Nonlinear Cylinders and Rectangular Prisms

Charge densities and inclination angles of magnetization on various surfaces of rotational symmetry

Surface magnetic charge densities and demagnetizing factors for rotating astroids

Surface magnetic charge distributions and demagnetizing factors of circular cylinders

Demagnetizing factors for rectangular prisms

Radial magnetometric demagnetizing factor of thin disks

Magnetic charge densities around edges of circular cylinders

Surface magnetic charge distribution of a long, thin cylinder and its edge singularity

Effective Demagnetizing Factors of Complicated Particle Mixtures

Magnetometric Demagnetizing Factors for Various Shapes of Rotational Symmetry

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Demagnetizing Factors for Nonuniform Nonlinear Cylinders and Rectangular Prisms

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Surface magnetic charge distributions and demagnetizing factors of circular cylinders

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