Conference Proceedings Paper
CONCEPTUAL DESIGN OF THE TWO-ROW HEXAGONAL FUEL ASSEMBLY FOR SCWR
The 5th International Symposium on SuperCritical Water-cooled Reactors - 2011 March 13-16
Lianjie Wang (Nuclear Power Institute of China)
Dong Qin (Nuclear Power Institute of China)
Qing Li (Nuclear Power Institute of China)
A new hexagonal fuel assembly (FA) design which has two rows of fuel rods between the hexagonal moderator channels is proposed for the thermal supercritical water cooled reactor (SCWR). The new concept is first and foremost considered for the performance of uniform moderation and sufficient moderation, and with respect to structural size and thermal-hydraulic performance. The neutron physical performance of the two-row hexagonal FA with acceptable configuration is discussed. The results show clearly that a better balance between uniform moderation and sufficient moderation can be obtained in the two-row hexagonal fuel assembly.
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