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Bang, In Cheol
Nuclear Thermal-Hydraulics & Reactor Safety Lab
Research Interests
  • Nuclear Thermal-Hydraulics
  • Nuclear Safety
  • Nuclear System Design & Analysis
  • Nanofluids
  • Critical Heat Flux

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Adoption of nitrogen power conversion system for small scale ultra-long cycle fast reactor eliminating intermediate sodium loop

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Title
Adoption of nitrogen power conversion system for small scale ultra-long cycle fast reactor eliminating intermediate sodium loop
Author
Seo, Seok BinSeo, HanBang, In Cheol
Issue Date
2016-01
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ANNALS OF NUCLEAR ENERGY, v.87, pp.621 - 629
Abstract
As one of SFRs, the ultra-long cycle fast reactor with a power rating of 100 MWe (UCFR-100) was introduced for a 60-year operation. As an alternative to the traditional steam Rankine cycle for the power conversion system, gas based Brayton cycle has been considered for UCFR-100. Among Supercritical CO2 (S-CO2), Helium (He), Nitrogen (N2) as candidates for the power conversion system for UCFR-100, an N2 power conversion system was chosen considering both safety and thermal performance aspects. The elimination of the intermediate sodium loop could be achieved due to the safety and stable characteristics of nitrogen working fluid. In this paper, sensitivity studies with respect to several controlled parameters on N2 power conversion system were performed to optimize the system. Furthermore, the elimination of the intermediate loop was evaluated with respect to its impact on the thermodynamic performance and other aspects.
URI
https://scholarworks.unist.ac.kr/handle/201301/17865
URL
http://www.sciencedirect.com/science/article/pii/S0306454915004995
DOI
10.1016/j.anucene.2015.10.020
ISSN
0306-4549
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