Progress on Low-Power Turbo-Brayton Converters

Details Progress on Low-Power Turbo-Brayton Converters Progress on Low-Power Turbo-Brayton Converters

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..699..453z&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNAT.FORUM-STAIF 2004: Conf.on Thermophys.in Microgravity; Commercial/Civil Next Gen.Space

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Spaceborne And Space Research Instruments, Apparatus, And Components

Scientific paper

Previous work has shown that closed-loop Brayton cycle power converters are an extremely attractive option for long-duration (> 10 years) space missions. To date, this technology has been only demonstrated at power levels above 1 kWe. Creare's progress towards the demonstration of the first-generation, low-power converter for use with radioisotope power sources is the subject of this paper. At the 100 We power level, Brayton systems should attain conversion efficiencies of 20% to 40% depending upon the operating conditions. The converter mass for a flight unit is expected to be about 3 kg. The detailed design, performance predictions, and test plans for the first-generation converter are reviewed in this paper.

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