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Review of Scientific Instruments / Volume 76 / Issue 1 / PARTICLE SOURCES, OPTICS AND ACCELERATION; PARTICLE DETECTORS

Rev. Sci. Instrum. 76, 013302 (2005); doi:10.1063/1.1823779 (5 pages)

Modification of cos θ coil shape in superconducting dipole magnets for reducing the coil size

P. R. Sarma, N. Ibomcha, and R. K. Bhandari

Variable Energy Cyclotron Centre, Department of Atomic Energy, Block-AF, Bidhannagar, Kolkata-700 064, India

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(Received 13 September 2004; accepted 17 September 2004; published online 17 December 2004)

In coil-dominated superconducting dipole magnets the coil size and hence the cost of the magnet can be reduced by optimizing the shape of the coil. We have used the variational calculus and a random search technique to show that the coil shape markedly deviates from the conventional cos θ design when one reduces the coil size while holding the field and field quality to specified values. A block-coil dipole giving a field of 7.0 T has been designed on the basis of the optimization. With iron yoke this can give a field of 8.4 T.

© 2005 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. FIELD DUE TO A SUPERCONDUCTING COIL
  3. MAXIMIZATION OF FIELD MAGNITUDE BY VARYING COIL SHAPE
  4. OPTIMIZATION OF FIELD QUALITY BY THE METHOD OF RANDOM SEARCH
  5. RESULTS AND DISCUSSIONS

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KEYWORDS and PACS

Keywords

iron, superconducting coils, superconducting magnets, magnetic moments, windings

PACS

  • 84.71.Ba

    Superconducting magnets; magnetic levitation devices

  • 75.30.Cr

    Saturation moments and magnetic susceptibilities

ARTICLE DATA

Permalink
http://link.aip.org/link/doi/10.1063/1.1823779

PUBLICATION DATA

ISSN:

0034-6748 (print)  
1089-7623 (online)

Publisher:

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    P. Ferracin, W. Scandale, E. Todesco, and D. Tommasini, Phys. Rev. ST Accel. Beams 5, 062401 (2002).

    P. R. Sarma, Rev. Sci. Instrum. 74, 3640 (2003)RSINAK000074000008003640000001.


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