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摘要
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 well 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.
- 出版日期2013-8
- 单位中国核动力研究设计院
