Innovating approches to the generation of intense magnetic field: Optimization of a permanent magnet flux source

Issue		Eur. Phys. J. Appl. Phys. Volume 5, Number 1, January 1999


Page(s)		85 - 89
DOI		10.1051/epjap:1999113

DOI: 10.1051/epjap:1999113

Eur. Phys. J. AP 5, 85-89

Innovating approches to the generation of intense magnetic field: Optimization of a permanent magnet flux source

F. Bloch¹ - O. Cugat¹ - J.-C. Toussaint² - G. Meunier¹

¹ Laboratoire d'Électrotechnique de Grenoble, LEG-ENSIEG, BP 46, 38402 Saint-Martin-d'Hères Cedex, France
² Laboratoire de Magnétisme Louis Néel, BP 166, 25 avenue des Martyrs, 38042 Grenoble, Cedex, France
Bloch@leg.ensieg.inpg.fr

Received : 28 March 1997 / Revised and accepted : 5 October 1998

Abstract
The aim of this study is to design and optimise an original permanent magnet flux source, in order to generate a magnetic field of several Tesla. One of the innovating aspect of this project is the use of the ponctual dipôle principle (intense field) instead of the infinite dipôle principle (homogeneous field). After the analytical model optimisation, the structure have been discretized to be realizable, using real magnet. An other innovating aspect is the magnetical and geometrical optimization of the combination of different hard magnetic material (Neodymium-Iron-Boron magnet) and also soft magnetic material (Cobalt-Iron). The magnet configuration is optimised with the help of numerical simulation sofware developped in the LEG (DIPOLE-3D, FLUX2D et FLUX3D). The model of flux source creates a field over 4.3 T in a volume of diameter 6 mm and height 2.8 mm with an external diameter of 100 mm.

PACS
07.55.-w Magnetic components, instruments and techniques

What is OpenURL?

The OpenURL standard is a protocol for transmission of metadata describing the resource that you wish to access. An OpenURL link contains article metadata and directs it to the OpenURL server of your choice. The OpenURL server can provide access to the resource and also offer complementary services (specific search engine, export of references...). The OpenURL link can be generated by different means.

If your librarian has set up your subscription with an OpenURL resolver, OpenURL links appear automatically on the abstract pages.
You can define your own OpenURL resolver with your EDPS Account. In this case your choice will be given priority over that of your library.
You can use an add-on for your browser (Firefox or I.E.) to display OpenURL links on a page (see http://www.openly.com/openurlref/). You should disable this module if you wish to use the OpenURL server that you or your library have defined.