Calculation of thermal neutron albedo for mono-material and bi-material reflectors

Sara Azimkhani; Farhad Zolfagharpour; Farhood Ziaie

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Calculation of thermal neutron albedo for mono-material and bi-material reflectors

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Thermal neutron albedo has been investigated for different thicknesses of mono-material and bi-material reflectors. An equation has been obtained for a bi-material reflector by considering the neutron diffusion equation. The bi-material reflector consists of binary combinations of water, graphite, lead, and polyethylene. An experimental measurement of thermal neutron albedo has also been conducted for mono-material and bi-material reflectors by using a^(241) Am–Be(5.2 Ci) neutron source and a BF3 detector. The maximum value of thermal neutron albedo was obtained for a polyethylene–water combination(0.95 ± 0.02).

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《核技术：英文版》 |2018年第9期|185-191|共7页
作者
Sara Azimkhani; Farhad Zolfagharpour; Farhood Ziaie;
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作者单位

Department of Physics;

University of Mohaghegh Ardabili;

Radiation Application Research School;

Nuclear Science & Technology Research Institute;

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原文格式 PDF
正文语种 chi
中图分类原子能技术;
关键词
Neutron; current; Bi-material; reflector; Thermal; neutron; albedo; BF3; detector; Reflection; Diffusion; equation;

Calculation of thermal neutron albedo for mono-material and bi-material reflectors

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