POSSIBILITY OF USING HELIUM CONDENSATION PUMP FOR PUMPING MAGNETIC TRAPS

Journal Article · Tue Jan 01 04:00:00 EST 1963 · Zh. Tekhn, Fiz.

OSTI ID:4714523

Borovik, E S; Busol, F I; Kovalenko, V A

The maximum thermal load for helium cooled (3 un. Concent 85% K) surfaces was determined, and conditions for preventing helium condensation from emitting too much plasma heat and for retaining a high pumping rate were found. It is shown that nitrogen or water shutters protect helium condensation pumps, and that even double protection does not inhibit the high pumping rate. The tabulated data show that the rate of nitrogen pumping is 1.25 l/sec (hydrogen 4.68 l/sec) per cm/sup 2/ of internal water shutter surface. The prospects for using helium condensation pumps with continuous fluid flow and simultaneous helium vapor pumping seem to be favorable. (R V.J.)

• Research Organization: Khar'kov Inst. of Physics and Tech.
• NSA Number: NSA-17-021817
• OSTI ID: 4714523
• Journal Information: Zh. Tekhn, Fiz., Journal Name: Zh. Tekhn, Fiz. Vol. Vol: 33
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

ENGINEERING AND EQUIPMENT
HELIUM
LOW TEMPERATURE
MAGNETIC FIELDS
NITROGEN
PLASMA
PUMPS
SURFACES
TABLES
TRAPS
VAPORS
WATER