计算物理 ›› 2018, Vol. 35 ›› Issue (4): 429-436.DOI: 10.19596/j.cnki.1001-246x.7663

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裂变中子角关联分布的数值模拟

朱剑钰, 黄孟   

  1. 中国工程物理研究院战略研究中心, 北京 100088
  • 收稿日期:2017-03-23 修回日期:2017-07-20 出版日期:2018-07-25 发布日期:2018-07-25
  • 作者简介:ZHU Jianyu (1981-), male, associate research fellow, Ph D, major in transport simulation with Monte Carlo method and radiation detection technologies, E-mail:zhujyu@126.com

Numerical Simulation of Fission Neutron Angular Correlation Distributions

ZHU Jianyu, HUANG Meng   

  1. Center for Strategic Studies, China Academy of Engineering Physics, Beijing 100088, China
  • Received:2017-03-23 Revised:2017-07-20 Online:2018-07-25 Published:2018-07-25

摘要: 为了实现对自发裂变中子源能量、多重性和中子角关联分布的数值模拟,开发了根据裂变过程,逐步给出裂变中子多重性、能量和角分布等参数的NESF数值模拟程序,并将该程序集成到现有中子输运软件中.重点介绍我们开发的用于模拟自发裂变中子源能量、多重性和中子角关联分布的程序的背景、物理依据、程序流程,以及基于该程序开展的中子角关联分布特征与核部件特征关联的数值模拟.

关键词: 原子核裂变, 裂变中子角分布, Monte Carlo方法, 符合测量

Abstract: For numerical simulation of spontaneous fission neutron source energy, neutron multiplicity and neutron angular correlation distribution, a NESF numerical simulation program is developed to provide fission neutron multiplicity, energy, angular distribution and other parameters on basis of fission process. The program is integrated into existing neutron transport software. This report focuses on background, physical basis, and process of the program, as well as numerical simulation correlated to neutron angular correlation distribution characteristics and nuclear component characteristics.

Key words: fission, angular distribution of fission neutron, Monte Carlo simulation, coincidental measurement

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