Variable conductance heat pipe enhancement

Details Variable conductance heat pipe enhancement Variable conductance heat pipe enhancement

1990-03-12

1991-09-03

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

Rotary drum

16510414, 16510427, F28D 1502

Patent

active

050444263

ABSTRACT:
A heat pipe having an internal cross-sectional area contains a fixed restriction member with a reduced cross-sectional area, positioned in the condenser length of the heat pipe. An evaporatable and condensable fluid partially fills the heat pipe with the remaining volume being occupied by a noncondensable gas which is positioned at least partly around the restriction member. By reducing the internal cross-section area of the heat pipe using the restriction member, the overall length of a practical working heat pipe can be reduced. The cross-sectional area of the restriction member can also be varied for changing the heat exchange characteristics of the heat pipe.

REFERENCES:
patent: 3782449 (1974-01-01), Busse et al.
patent: 4917178 (1990-04-01), Kosson et al.

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