Safe, Non-Corrosive Dielectric Fluid for Stagnating Radiator Thermal Control System

Paragon Space Development Corporation proposes to develop a single-loop, non-toxic, active pumped radiator design with robust, reliable operation near stagnation regimes as expected to be experienced by NASA's Orion Crew Exploration Vehicle (CEV), the Lunar Surface Access Module (LSAM) and thermal control systems of the Lunar Base at the lunar pole. This will be achieved through an innovative use of a common terrestrial-application, safe fluid that has lower temperature stalling characteristics over typical space-based radiator fluids. Phase 1 has already shown this fluid to stall per predictions and, through a previous contract, Paragon has demonstrated its capability to perform spacecraft heat rejection. The significance of this work is to understand stagnation behavior, both planned and mitigated, and then design and demonstrate a robust and reliable radiator performance based on this knew found knowledge.