Optimization and test of a 120mm LARP Nb3Sn quadrupole coil using magnetic mirror structure

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The US-LARP collaboration is developing a new generation of large-aperture high-field quadrupoles based on Nb{sub 3}Sn superconductor for the LHC upgrades. The development and implementation of this new technology involves the fabrication and testing of series of model magnets, coils and other components with various design and processing features. New 120-mm HQ coils made of Rutherford cable, one with an interlayer resistive core, and both with optimized reaction processes, were fabricated and tested using a quadrupole mirror structure under operating conditions similar to those in a real magnet. The coils were instrumented with voltage taps and strain gauges to study ... continued below

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4 pages

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Bossert, R.; Ambrosio, G.; Andreev, N.; /Fermilab; Anerella, M.; /Brookhaven et al. September 1, 2011.

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The US-LARP collaboration is developing a new generation of large-aperture high-field quadrupoles based on Nb{sub 3}Sn superconductor for the LHC upgrades. The development and implementation of this new technology involves the fabrication and testing of series of model magnets, coils and other components with various design and processing features. New 120-mm HQ coils made of Rutherford cable, one with an interlayer resistive core, and both with optimized reaction processes, were fabricated and tested using a quadrupole mirror structure under operating conditions similar to those in a real magnet. The coils were instrumented with voltage taps and strain gauges to study the mechanical and quench performance. Quench antenna and temperature gauges were installed in the mirror structure to measure the coil temperature and locate quench origins. This paper presents details of the coil design and fabrication procedures, coil assembly and pre-stress in the quadrupole mirror structure, and coil test results.

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4 pages

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  • Journal Name: Submitted to IEEE Trans. Applied Supercond.; Conference: Presented at 22nd International Conference on Magnet Technology (MT-22), Marseille, France, 12-16 Sep 2011

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  • Report No.: FERMILAB-CONF-11-427-TD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 1033679
  • Archival Resource Key: ark:/67531/metadc833265

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  • September 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 29, 2016, 8:57 p.m.

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Bossert, R.; Ambrosio, G.; Andreev, N.; /Fermilab; Anerella, M.; /Brookhaven et al. Optimization and test of a 120mm LARP Nb3Sn quadrupole coil using magnetic mirror structure, article, September 1, 2011; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc833265/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.