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Lee, Deokjung
Computational Reactor physics & Experiment Lab.
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CYCLE LENGTH EXTENSION OF SMPWR USING ZIRCALOY REFLECTOR

Author(s)
Choe, JiwonChin, Ho CheolJung, Ji EunLee, Hwan SooLee, Deokjung
Issued Date
2017-06-04
URI
https://scholarworks.unist.ac.kr/handle/201301/35319
Citation
37th Annual Conference of the Canadian Nuclear Society and 41st Annual CNS/CNA Student Conference
Abstract
A small modular pressurized water reactor (SMPWR) design under development at UNIST loads a large amount of burnable absorber due to the no-boron operation requirement, which causes a undesirable side effect of shortened cycle length. This paper performs sensitivity tests with reflector materials to mitigate the effect and recover the cycle length. Water, stainless steel, and Zircaloy are used as candidates for reflector materials. Zircaloy reflector shows the best performance in extending the cycle length while satisfying all the design requirements.
Publisher
37th Annual Conference of the Canadian Nuclear Society and 41st Annual CNS/CNA Student Conference

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