| 医院中子照射器I型堆热中子束流孔道等效平面源的模拟计算 |
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| 引用本文： | 朱养妮,江新标,赵柱民. 医院中子照射器I型堆热中子束流孔道等效平面源的模拟计算[J]. 中国工程科学, 2012, 14(8): 56-59 |
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| 作者姓名： | 朱养妮 江新标 赵柱民 |
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| 作者单位： | 1. 西北核技术研究所,西安,710024
2. 中国核工业集团中原对外工程公司,北京,100191 |
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| 摘 要： | 采用蒙特卡罗程序MCNP模拟计算了医院中子照射器Ⅰ型堆(IHNI-1)热中子束流孔道出口处的等效平面源.对B堆芯进行了临界搜索计算,模拟计算了热中子束流孔道及出口处中子、γ的束流参数,应用等效平面源模型建立了BNCT等效中子、γ平面源.为人体头颅等效模型剂量分布的快速计算提供了较为可靠的平面源.
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| 关 键 词： | 医院中子照射器Ⅰ型堆 热中子束流孔道 等效中子平面源 等效γ平面源 |
| 收稿时间： | 2012-04-20 |
| 修稿时间： | 2012-04-12 |
Numerical calculation for the equivalent surface source of the thermal neutron duct of in-hospital neutron irradiator mark 1 reactor |
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| Zhu Yangni,Jiang Xinbiao and Zhao Zhumin. Numerical calculation for the equivalent surface source of the thermal neutron duct of in-hospital neutron irradiator mark 1 reactor[J]. Engineering Science, 2012, 14(8): 56-59 |
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| Authors: | Zhu Yangni Jiang Xinbiao Zhao Zhumin |
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| Affiliation: | 1.Northwest Institute of Nuclear Technology,Xi’an 710024,China; 2.China Zhongyuan Engineering Corporation,China National Nuclear Corporation,Beijing 100191,China) |
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| Abstract: | Numerical calculation for the equivalent surface source of the thermal neutron duct of in-hospital neutron irradiator mark 1(IHNI-1) reactor is carried out using MCNP Monte Carlo code.Cold clean criticality of B-core is searched.Neutron beam parameters at the exit of thermal neutron duct are calculated.Equivalent neutron and γ surface sources for BNCT are built using equivalent surface source model.And these sources are reliable to calculate absorbed dose distribution in equivalent model of head quickly. |
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| Keywords: | IHNI-1 reactor thermal neutron duct equivalent neutron surface source equivalent γ surface source |
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