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CORC; Cable Based High Field Hybrid Magnets for Future Colliders

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-SC0018127
Agency Tracking Number: 0000240678
Amount: $1,000,000.00
Phase: Phase II
Program: STTR
Solicitation Topic Code: 26b
Solicitation Number: DE-FOA-0001795
Timeline
Solicitation Year: 2018
Award Year: 2018
Award Start Date (Proposal Award Date): 2018-08-27
Award End Date (Contract End Date): 2020-07-15
Small Business Information
3082 Sterling Circle Unit B
Boulder, CO 80301-2385
United States
DUNS: 969353734
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Danko van der Laan
 (720) 933-5674
 danko@advancedconductor.com
Business Contact
 Danko van der Laan
Phone: (720) 933-5674
Email: danko@advancedconductor.com
Research Institution
  Brookhaven National Laboratory
 Ramesh Gupta
 
Building 460 P.O. Box 5000
Upton, NY 11973-5000
United States

 (631) 344-4805
 Federally funded R&D center (FFRDC)
Abstract

"The next generation of very high field accelerator magnets (20 T or more) are expected to be made with high-temperature superconductors (HTS) along with conventional low-temperature superconductors (LTS) to reduce cost. The operation and protection of these magnets becomes very challenging particularly if the HTS coils are made with the tapes and operate at a much lower current than the LTS coils. Accelerator magnets must also satisfy the stringent field quality requirements, which is a significant challenge for magnets made with HTS tapes. We propose to develop very high field hybrid accelerator magnet technology using HTS coils made with high current CORC® cables operating in series with the LTS coils made with Rutherford cables. The coils made with the partially transposed CORC® cables offer higher current operation and better field quality than the coils made with HTS tapes. The CORC® cables have matured into a high performance magnet cable. The common coil design, a conductor-friendly design with large bend radii, enables a rapid transition of high current density CORC® cables into 2-in-1 collider dipoles. During Phase I of the program, we’ve increased the current density in CORC® cables to 400 A/mm2 at 4.2 K and 20 T. Initial hybrid Common Coil magnets have been designed, showing that the current CORC® cable performance is more than sufficient to reach a total field of 16 T with an existing 10 T LTS outsert. During Phase II, we will design, manufacture, and test a fullsize hybrid Common Coil magnet with a CORC® insert coil that would generate at least 14 T. Conceptual designs for a 20 T hybrid magnet will also be developed, taking all factors important for accelerator magnets into account, such as field quality and quench protection.

Commercial Applications and Other Benefits
High field magnets wound from high-temperature superconducting magnet cables will enable some of the next generation of high-energy physics magnets, proton cancer treatment facilities, practical fusion magnets, and scientific magnets. These magnets will also benefit superconducting magnetic energy storage systems for use in the power grid and for application within the Department of Defense.
"

* Information listed above is at the time of submission. *

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