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Lee, Deokjung
Computational Reactor physics & Experiment lab (CORE Lab)
Research Interests
  • Reactor Analysis computer codes development
  • Methodology development of reactor physics
  • Nuclear reactor design(SM-SFR,PWR and MSR)

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Performance evaluation of Zircaloy reflector for pressurized water reactors

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Title
Performance evaluation of Zircaloy reflector for pressurized water reactors
Author
Choe, JiwonLee, DeokjungJung, Ji-EunShin, Ho Cheol
Issue Date
2016-02
Publisher
WILEY-BLACKWELL
Citation
INTERNATIONAL JOURNAL OF ENERGY RESEARCH, v.40, no.2, pp.160 - 167
Abstract
This paper presents detailed analyses of a pressurized water reactor with a new reflector design using zirconium metal. The optimization of the reflector design has been performed using a two-dimensional fuel assembly reflector model. The three-dimensional core calculation results with the optimized reflector were compared against those with the existing water reflector and iron reflector. The high scattering cross section of zirconium enhances neutron reflections from the reflector to the core, increasing the peripheral assembly powers. From the analysis based on the equilibrium core, it was noted that the cycle length can be extended, and the pin peaks can be decreased when using zirconium reflector. The analysis has been performed for the optimized power reactor 1000 core with combustion engineering type fuel assemblies using the CASMO-4E/SIMULATE-3 (Studsvik Scandpower, Inc., Waltham, MA, USA) code system and SERPENT (VTT Technical Research Centre of Finland, Vuorimiehentie 3, 02150 Espoo, Finland) code, with ENDF/B-VI data.
URI
https://scholarworks.unist.ac.kr/handle/201301/17967
URL
http://onlinelibrary.wiley.com/doi/10.1002/er.3443/abstract
DOI
10.1002/er.3443
ISSN
0363-907X
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