Quench Performance of Fermilab/General Dynamics Built Full Length SSC Collider Dipole Magnets

Strait, J.; Orris, D.; Mazur, Péter; Bleadon, M.; Bossert, R.; Carson, J.; Delchamps, S.; Devred, A.; Marco, J.; Gourlay, S.A.; Hanft, R.; Koska, W.; Kuchnir, M.; Kuźmiński, J.; Lamm, M.J.; Nah, Wansoo; Ogitsu, T.; Ozelis, J.; Puglisi, M.; Tompkins, J.; Wake, M.; Yu, Yang; Zhao, Y.; Zheng, H.

doi:10.1007/978-1-4615-3454-9_45

Cited by 8 publications

(1 citation statement)

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“…24 Further, there appears to be a correlation between the decrease in quench current and the AC loss, as directly measured on some of the FNAL magnets. 25 In addition, as the ramp rate is increased, quench origin shifts from the pole turn, where the field is maximum, to the coil midplane, where the field is normal, to the wide face of the cable, producing the largest interstrand losses; this shift in location was predicted theoretically. In Figure 11, BNL magnets appear to be less sensitive than FNAL magnets.…”

Section: Ramp-ra Te Sensitivitymentioning

confidence: 82%

Review of SSC Dipole Magnet Mechanics and Quench Performance

Devred¹,

Bush²,

Coombes³

et al. 1992

Supercollider 4

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Eight 5-cm-aperture, 15-m-Iong dipole magnet prototypes have been produced and cold-tested at Brookhaven National Laboratory (BNL) and Fermi National Accelerator Laboratory (FNAL) under contract with the Superconducting Super Collider Laboratory (SSCL). These magnets are the last phase of an R&D program aimed at demonstrating the feasibility of the 5-cm-aperture designs developed by BNL and FNAL. They are also usedThis work is supported by the U.S. Department of Energy under contract No. DE-AC35-89ER40486.as vehicles to transfer technology from the National Laboratories to the collider dipole magnet contractors. The BNL magnets, which rely on an horizontally-split yoke, and the FNAL magnets, which rely on a vertically-split yoke, perform according to their somewhat different mechanical designs and have equally successful quench performance.* Kapton® is a registered trademark ofE.I. DuPont de Nemours & Co.a The number and !be number in parentheses correspond respectively to tile mean and tile standard deviatioo. For DCA2XX magnets, the eod-collars are DOt taken into 8CCOOIIl

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Section: Ramp-ra Te Sensitivitymentioning

confidence: 82%