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New high‐performance light water reactor core concept with mixed cycle length operation
Author(s) -
Jeong Eun,
Choe Jiwon,
Zhang Peng,
Shin Ho Cheol,
Lee Deokjung
Publication year - 2018
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.3738
Subject(s) - nuclear engineering , core (optical fiber) , light water reactor , environmental science , materials science , process engineering , engineering , composite material
Summary This paper presents a new high‐performance light water reactor core concept with a mixed cycle length operation (MCLO). In an MCLO, a nuclear reactor core is operated with more than one cycle length for high‐performance and cost‐effectiveness during the lifetime of the reactor core. The MCLO cores were designed on the basis of an Optimized Pressurized Reactor‐1000 and adopted a set of three cycles, that is, 24‐, 24‐, and 18‐month cycles in a set of MCLO. Three sets of MCLO cores were developed with varying numbers of feed fuel assemblies, and optimization of the fuel management strategy was performed. A comparison of core performances against traditional single cycle length operation (SCLO) cores successfully demonstrates that the optimized MCLO is more economical than the 18‐month SCLO by the amount of KRW 38bn and also more economical than the 24‐month SCLO by the amount of KRW 11bn. Copyright © 2017 John Wiley & Sons, Ltd.

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