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Article
Title Construction and Test of the Enhanced Racetrack Model Coil, First CERN R&D; Magnet for the FCC
Author(s) Perez, J C (CERN) ; Bajko, M (CERN) ; Bourcey, N (CERN) ; Bordini, B (CERN) ; Bottura, L (CERN) ; Troitiño, S Ferradás (CERN) ; Gautheron, E (CERN) ; Guinchard, M (CERN) ; Bermudez, S Izquierdo (CERN) ; Mangearotti, F (CERN) ; Petrone, C (CERN) ; Tommasini, D (CERN) ; Willering, G (CERN)
Publication 2022
Number of pages 5
In: IEEE Trans. Appl. Supercond. 32 (2022) 4005105
In: 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4005105
DOI 10.1109/TASC.2022.3163064
Subject category Accelerators and Storage Rings
Study CERN FCC
Abstract Racetrack model coils (RMC) have been built at CERN during the past decade, as an R&D; tool to qualify conductors and technologies developed for high field superconducting accelerator magnets (Perez et al. , 2016). RMC, assembled in a dipole magnet configuration, proved to be an efficient instrument reducing cost and feed-back time while developing new magnets. In a similar way, as for the High-Luminosity Large Hadron Collider (HL-LHC) project, CERN has designed the enhanced RMC (eRMC) made of two flat coils using 40 (1 mm diameter) Nb 3 Sn strand cable produced with Rod Restack Process (RRP) technology. This conductor geometry, originally designed and produced to build the block coil dipole magnet FRESCA2 (Rochepault et al. , 2019), was chosen to reduce the production time and shorten the road towards the feasibility demonstration to reach 16–18 T magnetic fields in a dipolar configuration. Like previous model coils built at CERN (Short model coils (SMC) & RMC), eRMC1a has been built using the “bladders and keys” type mechanical structure. This paper describes the main construction steps and the powering test results. At 1.9 K the magnet produced 16.5 T peak field in the conductor, the highest ever for a dipole magnet of this configuration.
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 Zapis kreiran 2023-05-25, zadnja izmjena 2023-06-06