Optical and thermal characterization of membrane reflector materials for solar orbit transfer vehicles

Details Optical and thermal characterization of membrane reflector materials for solar orbit transfer vehicles Optical and thermal characterization of membrane reflector materials for solar orbit transfer vehicles

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..608..478f&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM- STAIF 2002. Conference on Thermophyiscs in Microgravity; Conference on In

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Spaceborne And Space Research Instruments, Apparatus, And Components, Polymers And Plastics, Rubber, Synthetic And Natural Fibers, Organometallic And Organic Materials, Solar Electromagnetic Emission, Solar Collectors And Concentrators

Scientific paper

The Air Force Research Laboratory (AFRL), is advancing technologies to enable greater mobility for future AF spacecraft. The Solar Orbit Transfer Vehicle (SOTV) program is developing components for a concept based on a solar thermal rocket and solar thermal power generation. The program is performing ground testing of a thin film membrane concentrator concept. To better understand system performance, a series of optical characterization tests of the membrane material were performed. The objective was to quantify the relationship between membrane optical properties and the concentrator on-orbit transmission performance and thermal profile. During testing we collected reflectivity, absorptivity, transmissivity, and emissivity data for un-coated and coated membrane material. The membrane material tested was fabricated using a flight-qualified polyimide material and proven manufacturing processes. The test results, and system thermal analysis are presented in this paper. The results of this research will be used to refine hardware performance predictions and improve sizing for flight demonstration. .

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