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A cryogenic test stand for full length SSC magnets with superfluid capability

Conference ·
OSTI ID:6360152
The Fermilab Magnet Test Facility performs testing of the full scale SSC magnets on test stands capable of simulating the cryogenic environment of the SSC main ring. One of these test stands, Stand 5, also has the ability to operate the magnet under test at temperatures from 1.8K to 4.5K with either supercritical helium or subcooled liquid, providing at least 25 Watts of refrigeration. At least 50 g/s flow is available from 2.3K to 4.5K, whereas superfluid operation occurs with zero flow. Cooldown time from 4.5K to 1.8K is 1.5 hours. A maximum current capability of 10,000 amps is provided, as is instrumentation to monitor and control the cryogenic conditions. This paper describes the cryogenic design of this test stand. 8 refs., 6 figs.
Research Organization:
Fermi National Accelerator Lab., Batavia, IL (USA)
DOE Contract Number:
AC02-76CH03000
OSTI ID:
6360152
Report Number(s):
FNAL-TM-1562; CONF-890270-1; ON: DE89009703
Country of Publication:
United States
Language:
English