“启明星1<sup>#</sup>”单向耦合快区外中子源放大系数研究

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“启明星1^#”单向耦合快区外中子源放大系数研究

基金项目:

国家“973”计划基金(2007CB209900)

School of Nuclear Science and Technology, University of South China, Hengyang, Hunan, 421001, China

摘要: 计算分析"快-热"耦合加速器驱动次临界实验装置"启明星1^#"在²⁵²Cf、Am-Be和氘-氚(²H-³H)中子源驱动下,单向耦合时快区泄漏中子数、净中子产额和泄漏中子谱随快区层数与外中子源能量的变化关系。结果表明,从反应堆产能和嬗变角度考虑,"启明星1^#"实验装置快区燃料元件单向耦合时存在最优化的元件装载量。
- 加速器驱动洁净核能系统 /
- “启明星1^#” /
- 单向耦合 /
- 快区放大系数
Abstract: VENUS 1^# was the first fast-thermal coupled accelerator driven sub-critical experimental facility of the world built by China Atomic Energy Institute-CIAE.In this paper,the leakage and net neutron yield of fast zone and leakage neutron spectrum driven by ²⁵²Cf,Am-Be and D-T neutron sources with different loading layers was calculated based on VENUS 1^# unidirectional coupling mode.The results show that,from the view of energy production and transmutation,there exists optimized fuel loadings of fast-zone,which will provide theoretical basis for designing "fast-thermal" unidirectional coupling systems.
- Accelerator Driven System /
- VENUS 1^# /
- Unidirectional coupling /
- Amplification of fast zone