Status of the 43-T Hybrid Magnet of LNCMI-Grenoble

Status of the 43-T Hybrid Magnet of LNCMI-Grenoble

Based on a close collaboration between CEA and CNRS, a new hybrid magnet is being built at LNCMI-Grenoble. By combining a resistive insert, which is made of Bitter and polyhelix coils, with a large bore superconducting outsert, an overall continuous magnetic field of at least 43 T will be produced i...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity Vol. 26; no. 4; pp. 1 - 5
Main Authors: Pugnat, P., Manil, P., Molinie, F., Pes, C., Pfister, R., Queinec, Y., Pissard, M., Ronayette, L., Trophime, C., Vincent, B., Barbier, R., Berriaud, C., Berthier, R., Caplanne, G., Debray, F., Fazilleau, P., Hanoux, P., Hervieu, B.
Format: Journal Article
Language:English
Published: New York IEEE 01-06-2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Hybrid magnets
Magnetic fields
Magnetic liquids
Magnetic noise
Magnetic separation
Nb-Ti/Cu Rutherford cable
Resistive magnets
Superconducting coils
Superconducting conductors
Superconducting magnets
Hybrid magnets
resistive magnets
Nb–Ti/Cu Rutherford cable
superconducting conductors
superconducting magnets
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Summary:Based on a close collaboration between CEA and CNRS, a new hybrid magnet is being built at LNCMI-Grenoble. By combining a resistive insert, which is made of Bitter and polyhelix coils, with a large bore superconducting outsert, an overall continuous magnetic field of at least 43 T will be produced in a 34-mm warm bore aperture. The superconducting coil relies on the novel development of a Nb-Ti/Cu Rutherford cable-on-conduit conductor cooled down to 1.8 K by a bath of superfluid helium at atmospheric pressure and will produce a nominal magnetic field of 8.5 T in a 1.1-m cold bore diameter. After thorough reviews of the hybrid magnet design, which have anticipated possible upgrades of the maximum magnetic field produced, the project has entered in its production phase. The status and the next steps of the project will be reviewed highlighting the remaining technical challenges.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2016.2522975