Heat exchange – Intermediate fluent heat exchange material receiving and... – Plural intermediate fluent heat exchange materials
Patent
1987-03-11
1987-11-17
Davis, Jr., Albert W.
Heat exchange
Intermediate fluent heat exchange material receiving and...
Plural intermediate fluent heat exchange materials
16510426, 16510427, 165 41, 165911, 244163, F28D 1502
Patent
active
047067403
ABSTRACT:
A system for radiating heat generated by a source of heat aboard a spacecraft or the like is described which comprises a pair of spaced heat pipes and a pair of spaced wall members having inner condensation surfaces and outer heat radiating surfaces bonded to the heat pipes and defining a vapor chamber, a rewet artery of capillary wicking material disposed within the vapor chamber between the heat pipes and extending substantially lengthwise of the vapor chamber, a source of expendable liquid heat exchange medium operatively connected to the rewet artery for maintaining an inventory of heat exchange medium within the vapor chamber, and a pressure relief valve on the vapor chamber for venting vapor overpressure. The condensation surfaces of the wall members include a multiplicity of capillary grooves extending between the rewet artery and the heat pipes to promote vapor condensation, to facilitate flow of condensate toward the heat pipes, and otherwise to maintain a liquid film inventory near the heat radiating surfaces of the wall members.
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T. Mahefkey and R. R. Barthelemy, "Heat Pipe Applications for Future Air Force Spacecraft", AIAA-80-1463, AIAA 15th Thermophysics Conference (Jul. 14-16, 1980).
Davis Jr. Albert W.
Scearce Bobby D.
Singer Donald J.
The United States of America as represented by the Secretary of
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