Test results of a variant-design LHC twin-aperture dipole magnet

Since 1989, KEK and CERN carried out jointly an experimental program in the frame of the R&D work for the LHC main dipole. The mechanical structure of this design is based on a separate coil/collar and "horizontally split iron" concept. A total of four single aperture and two twin-aper...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2003-06, Vol.13 (2), p.1313-1316
Main Authors: Giloux, C., Mompo, R., Siemko, A., Taylor, T.M., Delsolaro, W.V., Walckiers, L., Yamamoto, A., Shintomi, T., Nakamoto, T., Ohuchi, N., Ogitsu, T., Tsuchiya, K.
Format: Article
Language:English
Subjects:
Apertures
Applied sciences
Boring
CERN
Coiling
Coils
Collaboration
Collars
Dipoles
Electrical engineering. Electrical power engineering
Electromagnets
Exact sciences and technology
Industrial training
Iron
Large Hadron Collider
Localization
Magnetic separation
Production
Ramps
Superconducting magnets
Superconductivity
Testing
Various equipment and components
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Summary:Since 1989, KEK and CERN carried out jointly an experimental program in the frame of the R&D work for the LHC main dipole. The mechanical structure of this design is based on a separate coil/collar and "horizontally split iron" concept. A total of four single aperture and two twin-aperture 1 m long dipole magnets were built. The last twin-aperture magnet was tested at CERN, reaching a maximum field of 9.55 T at 1.9 K. This paper reports the magnet training performance and quench localization at 1.9 K and 4.5 K. The performance as a function of current ramp rate and measurements of the field quality are also reported.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2003.812658