Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
79 (1996), S. 1157-1163
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A general theory is developed for determining the most efficient magnetic structure that generates a specified magnetic field. The structure is assumed to be composed of linear, isotropic magnetized material, occupying a given geometrical region. The efficiency is quantified by a figure of merit defined as the external field energy produced by the magnet divided by the maximum amount of energy that can be stored by the magnetized material. A set of equations is derived that determines the distribution of remanence needed to maximize this figure of merit, and several theorems concerning maximally efficient structures are given. Simple two-dimensional examples are used to illustrate the theory. © 1996 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.360914
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