Actions for DESIGN, FABRICATION AND TEST OF THE REACT AND WIND, NB(3)SN, LDX FLOATING COIL CONDUCTOR [electronic resource].

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DESIGN, FABRICATION AND TEST OF THE REACT AND WIND, NB(3)SN, LDX FLOATING COIL CONDUCTOR [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
5 pages : digital, PDF file
Additional Creators
Brookhaven National Laboratory, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The Levitated Dipole Experiment (LDX) is a novel approach for studying magnetic confinement of a fusion plasma. In this approach, a superconducting ring coil is magnetically levitated for up to 8 hours a day in the center of a 5 meter diameter vacuum vessel. The levitated coil, with on-board helium supply, is called the gloating Coil (F-Coil). Although the maximum field at the coil is only 5.3 tesla, a react-and-wind Nb₃Sn conductor was selected because the relatively high critical temperature will enable the coil to remain levitated while it warms from 5 K to 10 K. Since pre-reacted Nb₃Sn tape is no longer commercially available, a composite conductor was designed that contains an 18 strand Nb₃Sn Rutherford cable. The cable was reacted and then soldered into a structural copper channel that completes the conductor and also provides quench protection. The strain state of the cable was continuously controlled during fabrication steps such as: soldering into the copper channel, spooling, and coil winding, to prevent degradation of the critical current. Measurements of strand and cable critical currents are reported, as well as estimates of the effect of fabrication, winding and operating strains on critical current.
Report Numbers
E 1.99:bnl--68286
E 1.99: ka0403011
ka0403011
bnl--68286
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Other Subject(s)
Note
Published through SciTech Connect.
09/17/2000.
"bnl--68286"
" ka0403011"
"KA0403011"
APPLIED SUPERCONDUCTIVITY CONFERENCE 2000, VIRGINIA BEACH, VA (US), 09/17/2000--09/22/2000.
SMITH,B.A.; MICHAEL,P.C.; SAMPSON,W.B.; GREGORY,E.; GHOSH,A.; TAKAYASU,M.; SCHULTZ,J.H.; SCANLAN,R.; MINERVINI,J.V.; PYON,T.
Funding Information
AC02-98CH10886
08040
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