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Cryogenic recovery analysis of forced flow supercritical helium cooled superconductors [electronic resource].

Published
Pittsburgh, Pa. : Westinghouse Electric Corporation, 1977.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 27 : digital, PDF file
Additional Creators
Westinghouse Electric Corporation and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A coupled heat conduction and fluid flow method of solution was presented for cryogenic stability analysis of cabled composite superconductors of large scale magnetic coils. The coils are cooled by forced flow supercritical helium in parallel flow channels. The coolant flow reduction in one of the channels during the spontaneous recovery transient, after the conductor undergoes a transition from superconducting to resistive, necessitates a parallel channel analysis. A way to simulate the parallel channel analysis is described to calculate the initial channel inlet flow rate required for recovery after a given amount of heat is deposited. The recovery capability of a NbTi plus copper composite superconductor design is analyzed and the results presented. If the hydraulics of the coolant flow is neglected in the recovery analysis, the recovery capability of the superconductor will be over-predicted.
Report Numbers
E 1.99:wfps-tme-039
E 1.99: conf-770801-26
conf-770801-26
wfps-tme-039
Subject(s)
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Note
Published through SciTech Connect.
08/01/1977.
"wfps-tme-039"
" conf-770801-26"
Cryogenic engineering conference, Boulder, CO, USA, 2 Aug 1977.
Lee, A.Y.
Funding Information
W-7405-ENG-26
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