Paper Title:
Assessment of the Neutronic Characteristics of DCA Lattices
  Abstract

An investigation on the effect of the neutronic behavior on the lattice for a Deuterium Critical Assembly (DCA) in JNC (Japan Nuclear Cycle Development Institute) has been performed. The DCA, the heavy water moderated and light water cooled pressure-tube type research facility, was designed not only for the core physics research, but also for the development of the core-related technology for the Advanced Thermal Reactor (ATR). The core structure of the ATR is highly heterogeneous and it is separated from the heavy water moderator by a calandria tube. Therefore, the neutron behavior is quite complicated and sensitive to a change of the core structure. In this study, the assessment of the core physics characteristics such as the multiplication factor and the void coefficient for the DCA was conducted using the WIMS-D5 code and the results were compared with those of both the experimental data and WIMS-AECL.

  Info
Periodical
Key Engineering Materials (Volumes 277-279)
Edited by
Kwang Hwa Chung, Yong Hyeon Shin, Sue-Nie Park, Hyun Sook Cho, Soon-Ae Yoo, Byung Joo Min, Hyo-Suk Lim and Kyung Hwa Yoo
Pages
747-752
DOI
10.4028/www.scientific.net/KEM.277-279.747
Citation
B.J. Min, W.Y. Kim, "Assessment of the Neutronic Characteristics of DCA Lattices", Key Engineering Materials, Vols. 277-279, pp. 747-752, 2005
Online since
January 2005
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