Thermal Design and Analysis of an ISS Science Payload – SAGE III on ISS



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47th International Conference on Environmental Systems


The Stratospheric Aerosol and Gas Experiment III (SAGE III) instrument is the fifth in a series of instruments developed for monitoring aerosols and gaseous constituents in the stratosphere and troposphere. SAGE III will be launched in the SpaceX Dragon vehicle in 2017 and mounted to an external stowage platform on the International Space Station (ISS) to begin its three-year mission. The SAGE III thermal team at NASA Langley Research Center (LaRC) worked with ISS thermal engineers to ensure that SAGE III, as an ISS payload, would meet requirements specific to ISS and the Dragon vehicle. This document presents an overview of the SAGE III thermal design and analysis efforts, focusing on aspects that are relevant for future ISS payload developers. This includes development of detailed and reduced Thermal Desktop (TD) models integrated with the ISS and launch vehicle models, definition of analysis cases necessary to verify thermal requirements considering all mission phases from launch through installation and operation on-orbit, and challenges associated with thermal hardware selection including heaters, multi-layer insulation (MLI) blankets, and thermal tapes.


Kaitlin Liles, NASA Langley Research Center (LaRC), USA
Ruth Amundsen, NASA Langley Research Center (LaRC), USA
Warren Davis, NASA Langley Research Center (LaRC), USA
Laurie Carrillo, NASA Johnson Space Center (JSC), USA
ICES101: Spacecraft and Instrument Thermal Systems
The 47th International Conference on Environmental Systems was held in South Carolina, USA on 16 July 2017 through 20 July 2017.


Thermal design, Thermal analysis, ISS