CARR冷中子源物理方案研究

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Study on Neutronics Scheme for Cold Neutron Source in China Advanced Research Reactor

Department of Reactor Engineering Research & Design, China Institute of Atomic Energy, Beijing, 102413. China

摘要: 冷中子源是中国先进研究堆(CARR)作为应用平台开展中子散射实验的重要系统。本文建立了可开展冷中子源装置氢系统物理方案研究的计算程序和方法。对影响核发热和冷中子增益的多种因素进行了计算和优化选择,确定了氢系统物理方案。分析结果表明:符合CARR冷中子源自身特点且在国际上具有创新意义的月牙形冷包结构,在核发热量较小的条件下获得了较好的冷中子增益。
- 中国先进研究堆 /
- 冷中子源 /
- 氢系统 /
- 核发热 /
- 冷中子增益 /
- 月牙形冷包
Abstract: Cold Neutron Source（CNS）is one of the important systems through which China Advanced Research Reactor（CARR）could be used as important application platform of Neutron Scattering Experiment. This paper establishes the calculation program and methods to analyze the nuclear heating and gain factor. Many factors have bean calculated and optimized for the CNS in CARR and the neutronics scheme is decided. The results show that better gain factor can be approached with relatively low nuclear heating for moderator cell,which is accorded with the characteristics of CARR CNS and is a new crescent cell configuration in the world
- China Advanced Research Reactor /
- Cold neutron source /
- Hydrogen system /
- Nuclear heating /
- Cold neutron gain factor /
- Crescent cell