Abstract This paper presents development details of a two-phase thermal transport system for carrying cryocooler waste heat across a 2-axis gimbal with low line-induced torque. Applications for this system include space-based remote sensing spacecraft with gimbaled cryogenic optics and/or infrared sensors. The described system will use standard loop heat pipe (LHP) technology and small diameter stainless steel bellows tubing to transport 50–200 W of waste heat over a distance of a few meters while still meeting strict gimbal flexibility requirements. The gimbal will be motorized in each axis to study whether rapid gimbal movement affects thermal transport system operation. Heaters will simulate cryocooler waste heat. Preliminary results from a pressurized, multi-line, non-motorized gimbal mock-up indicated the line-induced torque could be acceptably low if the routing is appropriately managed. The paper will describe the design and development effort. Test results were not available at the time the paper was written.
Development and Testing of a Gimbal Thermal Transport System
Cryocoolers 11 ; 707-717
01.01.2002
11 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Development and Testing of a Gimbal Thermal Transport System
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