T. Yokoyama
Research Laboratory for Nuclear Reactors Tokyo Institute of Technology, O-okayama, Meguro-Ku, Tokyo 152-8550 Japan

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Study on Void Reactivity of Liquid Metal Fast Breeder Reactor Azizul Khakim; T. Yokoyama; Hisashi Ninokata
Indonesian Journal of Physics Vol 19 No 1 (2008): Vol. 19 No. 1, January 2008
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.228 KB) | DOI: 10.5614/itb.ijp.2008.19.1.2

Abstract

Liquid Metal Fast Breeder Reactor (LMFBR) usually has positive void reactivity which is not favorable to the reactor safety. Therefore, the void generation should be avoided during normal reactor operation. Design of reactor core should consider the parameters that influence the void reactivity in order to minimize it, should void be generated during an accident. In this study, several parameters have been evaluated to observe their contribution to the overall void reactivity, such as the build-up of minor actinides (MAs), different inner and outer core height, heterogeneous core configuration, upper plenum, upper axial blanket, voiding in the inner and outer core and the effect of P/D. The study is performed in 3-D heterogeneous geometry using Monte Carlo Method of MVP Code with JENDL-3.3