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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.
Dupont, V., J.C. Legros, Van Oost, S., Barremaecker, L.
Proceedings of the 17th IHPC
Proceedings of the 17th IHPC
