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Vapor locking as a limitation to the stability of composite conductors cooled by boiling helium

Author
Lue, J. W.
Published
United States : [publisher not identified], 1977.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1977.
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Dresner, L. and Miller, J. R.

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Summary
Vapor locking was observed to limit the stability of superconductors in narrow channels. The limitation is consistent with an analysis based on reduction of cooled surface by vapor formation. In very long channels (L/D >> 50), however, it was found that stability increases. When the superconductor inside long sheathed sections recovers from the resistive state, it recovers faster than in the open section. This is believed due to increase of the heat transfer coefficient and heat capacity caused by pressure build-up and relief inside the sleeve.
Report Numbers
CONF-770801-18
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: W-7405-ENG-26
OSTI Identifier 7284723
Research organization: Oak Ridge National Lab., Tenn. (USA).
View MARC record | catkey: 44261031