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Heat Pipe Science and Technology, An International Journal

ISSN Imprimir: 2151-7975
ISSN On-line: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.v5.i1-4.330
pages 303-310

EXPERIMENTAL INVESTIGATIONS OF A CPL PRESSURIZED WITH NCG INSIDE A CENTRIFUGE UP TO 10 G.

V. Dupont
Euro Heat Pipes SA, Rue de I'Industrie 24, B1400 Nivelles, Belgium
J.-C. Legros
Euro Heat Pipes SA, rue de l'industrie 24, B-1400 Nivelles, Belgium
S. Van Oost
Euro Heat Pipes SA, rue de l'industrie 24, B-1400 Nivelles, Belgium
L. Barremaecker
Euro Heat Pipes SA, Rue de I'Industrie 24, B1400 Nivelles, Belgium

RESUMO

Capillary Pumped Loop can be used for cooling of high power electronics but must be pressurized in order to operate at low temperature. The present paper describes a new fully passive method (mechanical and electrical) to pressurize instantly the CPL. The pressurization with a non-condensable gas (NCG) located at reservoir level has been successfully tested with ICS-1 demonstrator. ICS-1 is a CPL with two flat evaporators in parallel and an air exchanger that use methanol as working fluid with a 6 microns nickel wick. The power transferred is up to 10 kW at 5g in a centrifuge. The investigated heat flux ranges from 4 to 37 W/cm2. Up to 28 start-up at 8kW (30W/cm2) and acceleration cycles from 1.1g to 10g at 2kW are also presented.


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