医院中子照射器Ⅰ型堆超热中子束流孔道的优化设计

采用蒙特卡罗程序（Monte Carlo neutron and photo transport code,MCNP）对医院中子照射器Ⅰ型堆（IHNI-1）超热中子束流孔道的慢化层、反射层进行了优化设计。首先对FLUENTAL、Al等材料组成的6种慢化体方案进行了分析比较,给出了孔道出口处超热中子通量密度较大的两种设计方案;基于此两种慢化体设计方案,在保持束流孔道外框尺寸不变情况下,对慢化体周围的反射层进行了分析比较,给出了反射层的推荐方案;基于慢化体和反射层优化方案,最后给出了超热中子束流孔道出口处束流参数的空间分布。...

Full description

Saved in:
Bibliographic Details
Published in中国工程科学 Vol. 14; no. 8; pp. 33 - 37
Main Author 江新标 朱养妮 赵柱民 陈立新 周永茂
Format Journal Article
LanguageChinese
Published 中国工程院战略咨询中心 01.08.2012
高等教育出版社有限公司
西北核技术研究所,西安,710024%中国核工业集团中原对外工程公司,北京,100191
Subjects
中子通量密度
医院中子照射器Ⅰ型堆
超热中子束流
中子通量密度
超热中子束流
医院中子照射器Ⅰ型堆
Online AccessGet full text
ISSN1009-1742
2096-0034
DOI10.3969/j.issn.1009-1742.2012.08.007

Cover

More Information
Summary:采用蒙特卡罗程序（Monte Carlo neutron and photo transport code,MCNP）对医院中子照射器Ⅰ型堆（IHNI-1）超热中子束流孔道的慢化层、反射层进行了优化设计。首先对FLUENTAL、Al等材料组成的6种慢化体方案进行了分析比较,给出了孔道出口处超热中子通量密度较大的两种设计方案;基于此两种慢化体设计方案,在保持束流孔道外框尺寸不变情况下,对慢化体周围的反射层进行了分析比较,给出了反射层的推荐方案;基于慢化体和反射层优化方案,最后给出了超热中子束流孔道出口处束流参数的空间分布。
Bibliography:11-4421/G3
Optimization design for the moderation layer and reflection layer of the epithermal neutron duct at in-hospital neutron irradiator mark 1（IHNI-1） reactor is carried out by using MCNP in this paper.Firstly,six moderator schemes combined with FLUENTAL are compared with Al materials,and two moderation optimization schemes which can obtain intensive epithermal neutron flux density at exit of this duct are chosen.Secondly,based on these two moderation schemes,the optimization design for reflectors around the moderator is introduced,and the recommended reflector schemes are given.Finally,based on the moderation layer and reflection layer optimization schemes,the neutron and gamma space distribution of the epithermal neutron beam at exit of this duct are detailed calculated.
Jiang Xinbiao1,Zhu Yangni1,Zhao Zhumin1, Chen Lixin1,Zhou Yongmao2（1.Northwest Institute of Nuclear Technology,Xi’an 710024,China; 2.China Zhangyuan Engineering Corperation,China National Nuclear Corporation,Beijing 100191,China）
IHNI-1
ISSN:1009-1742
2096-0034
DOI:10.3969/j.issn.1009-1742.2012.08.007