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[en] An optimized supercritical carbon dioxide (S-CO2) Brayton cycle power converter has been developed for the 100 MWe (250 MWt) Advanced Burner Test Reactor (ABTR) eliminating the potential for sodium-water reactions and achieving a small power converter and turbine generator building. Cycle and plant efficiencies of 39.1 and 38.3 %, respectively, are calculated for the ABTR core outlet temperature of 510 deg. C. The ABTR S-CO2 Brayton cycle will incorporate Printed Circuit Heat ExchangerTM units in the Na-to-CO2 heat exchangers, high and low temperature recuperators, and cooler. A new sodium test facility is being completed to investigate the potential for transient plugging of narrow sodium channels typical of a Na-to-CO2 heat exchanger under postulated off-normal or accident conditions. (authors)
Source
American Nuclear Society, 555 North Kensington Avenue, La Grange Park, IL 60526 (United States); 1873 p; ISBN 0-89448-055-3; 
; 2007; p. 1298-1307; Advanced nuclear fuel cycles and systems (GLOBAL 2007); Boise - Idaho (United States); 9-13 Sep 2007; Country of input: France; 12 refs.
; 2007; p. 1298-1307; Advanced nuclear fuel cycles and systems (GLOBAL 2007); Boise - Idaho (United States); 9-13 Sep 2007; Country of input: France; 12 refs.