Common Coil Dipoles for Future High Energy Colliders

Gupta, R.; Anerella, M.; Cozzolino, J.; Sampson, W.; Schmalzle, J.; Wanderer, P.; Kolonko, J.; Larson, D.J.; Scanlan, R.M.; Weggel, R.J.; Willen, E.; Maineri, Nicholas

doi:10.1109/tasc.2016.2636138

Cited by 14 publications

(6 citation statements)

References 2 publications

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“…The common-coil design (CC) is characterized by large racetrack coils that cover both apertures [45]- [47]. In Fig.…”

Section: Common-coil (Cc) Designmentioning

confidence: 99%

“…All HTS blocks are wound with an 18.4 mm wide cable. The two-turns blocks close to the aperture, often referred as "pole coils", have the main function of correcting the field quality, and they were included also in previous design studies [6], [45]- [47]. Since pole coils require some sort of hard-way bend of the cable to clear the path of the bore tube, they represent a departure from the typical common-coil advantage of using simple racetrack coils.…”

Section: Common-coil (Cc) Designmentioning

confidence: 99%

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Conceptual Design of 20 T Hybrid Accelerator Dipole Magnets

Ferracin

Ambrosio

Anerella

et al. 2023

IEEE Trans. Appl. Supercond.

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Hybrid magnets are currently under consideration as an economically viable option towards 20 T dipole magnets for next generation of particle accelerators. In these magnets, High Temperature Superconducting (HTS) materials are used in the high field part of the coil with so-called "insert coils", and Low Temperature Superconductors (LTS) like Nb3Sn and Nb-Ti superconductors are used in the lower field region with so-called "outsert coils". The attractiveness of the hybrid option lays on the fact that, on the one hand, the 20 T field level is beyond the Nb3Sn practical limits of 15-16 T for accelerator magnets and can be achieved only via HTS materials; on the other hand, the high cost of HTS superconductors compared to LTS superconductors makes it advantageous exploring a hybrid approach, where the HTS portion of the coil is minimized. We present in this paper an overview of different design options aimed at generating 20 T field in a 50 mm clear aperture. The coil layouts investigated include the Cos-theta design (CT), with its variations to reduce the conductor peak stress, namely the Canted Costheta design (CCT) and the Stress Management Cos-theta design (SMCT), and, in addition, the Block-type design (BL) including a form of stress management and the Common-Coil design (CC). Results from a magnetic and mechanical analysis are discussed, with particular focus on the comparison between the different options regarding quantity of superconducting material, field quality, conductor peak stress, and quench protection.

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“…The common-coil design (CC) is characterized by large racetrack coils that cover both apertures [45]- [47]. In Fig.…”

Section: Common-coil (Cc) Designmentioning

confidence: 99%

Section: Common-coil (Cc) Designmentioning

confidence: 99%

Conceptual Design of 20 T Hybrid Accelerator Dipole Magnets

Ferracin

Ambrosio

Anerella

et al. 2023

IEEE Trans. Appl. Supercond.

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show abstract

“…8, 3 different common coil designs for the 20 T hybrid are shown. The common-coil design [73], [74], [75] is based on racetrack coils that, with a large bending radius in the ends, cover both magnet apertures (in Fig. 8 only one aperture is shown).…”

Section: Common-coil Designmentioning

confidence: 99%

A Strategic Approach to Advance Magnet Technology for Next Generation Colliders

Ambrosio¹,

Amm²,

Anerella³

et al. 2022

Preprint

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“…Small saturation-induced harmonics were achieved (b 3 < 7 units and a 2 < 6 units). Enough space was also left (Gupta et al 2017a) for the support structure. The fringe field at a radius of 150 mm outside the yoke is about 0.25 T when the yoke outer diameter (OD) is 700 mm (as in the design presented here),~0.2 T when the yoke OD is 750 mm, and~0.12 T when the yoke OD is 800 mm.…”

Section: Example Of An Optimized Common-coil Dipolementioning

confidence: 99%

Common-Coil Nb3Sn Dipole Program at BNL

Gupta

2019

Nb3Sn Accelerator Magnets

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This chapter summarizes the common-coil dipole research and development program at the Brookhaven National Laboratory (BNL). The program goals included: (a) the development of accelerator-quality dipoles based on the commoncoil design concept; (b) the demonstration of "react-and-wind" technology for high field collider dipole magnets; and (c) the development and demonstration of a novel background field test facility with a large open space.

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Common Coil Dipoles for Future High Energy Colliders

Cited by 14 publications

References 2 publications

Conceptual Design of 20 T Hybrid Accelerator Dipole Magnets

Conceptual Design of 20 T Hybrid Accelerator Dipole Magnets

A Strategic Approach to Advance Magnet Technology for Next Generation Colliders

Common-Coil Nb3Sn Dipole Program at BNL

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