Magnetic two-phase thermosiphon

Details Magnetic two-phase thermosiphon Magnetic two-phase thermosiphon

1981-04-28

1983-01-04

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

417 48, 417207, F28D 1500

Patent

active

043668577

ABSTRACT:
A heat pipe or thermosiphon device is provided which may be configured for operation in various temperature regimes from cryogenic to elevated temperatures and in gravity or other orientation sensitive environments, as well as zero-gravity or other orientation insensitive environments. The invention comprises a heat pipe, containing a magnetically susceptible liquid as the working fluid, surrounded by an electro-magnet or permanent magnet which produces a magnetic field gradient which interacts with the magnetically susceptible liquid to produce an artificial body force field analogous to, but which may be substantially greater than, the gravitational force field, for separation of the liquid from gaseous phases of the magnetically susceptible working fluid within the heat pipe.

REFERENCES:
patent: 3682239 (1972-08-01), Abu-Romia
Hwang, U. P., Magnetic Wickless Heat Pipe, IBM Technical Disclosure Bulletin, vol. 13, No. 11, 4/71, p. 3445.

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