切比雪夫有理逼近方法在放射性核素特征量计算中的应用

doi:10.19596/j.cnki.1001-246x.7894

计算物理 ›› 2019, Vol. 36 ›› Issue (4): 457-464.DOI: 10.19596/j.cnki.1001-246x.7894

切比雪夫有理逼近方法在放射性核素特征量计算中的应用

张彬航^1,2, 袁显宝^1,2, 张永红^1,2, 唐海波^1,2

1. 三峡大学机械与动力学院, 湖北宜昌 443002;
2. 三峡大学水电机械设备设计与维护湖北省重点实验室, 湖北宜昌 443002

收稿日期:2018-05-07 修回日期:2018-07-04 出版日期:2019-07-25 发布日期:2019-07-25
通讯作者: 袁显宝(1974-),男,湖北兴山人,副教授,博士,主要从事核反应堆物理研究,E-mail:ztsbaby@163.com
作者简介:张彬航(1989-),男,湖北荆州人,讲师,博士,主要从事反应堆物理数值计算方法研究,E-mail:evanustc@mail.ustc.edu.cn
基金资助:
国家自然科学基金（11805112）及三峡大学高层次人才启动基金（1910103）资助项目

Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides

ZHANG Binhang^1,2, YUAN Xianbao^1,2, ZHANG Yonghong^1,2, TANG Haibo^1,2

1. College of Mechanical & Power Engineering, China Three Gorges University, Yichang Hubei 443002, China;
2. Hubei Key Laboratory of Hydroelectric Machinery Design & Maintenance, China Three Gorges University, Yichang Hubei 443002, China

Received:2018-05-07 Revised:2018-07-04 Online:2019-07-25 Published:2019-07-25

摘要/Abstract

摘要： 基于切比雪夫有理逼近方法，结合欧洲活化数据库EAF，自主开发了中子活化计算程序AMY，支持核素密度、活度、衰变热、潜在生物危害、清洁因子及接触剂量率等放射性核素特征量的精确计算.为了验证AMY的正确性和有效性，选取欧洲活化手册中的基础核数据库进行测试，并与活化程序FISPACT-2007的计算结果进行对比.结果表明两者的计算结果吻合较好，且AMY的计算效率略高于FISPACT-2007.

关键词: 活化计算, 放射性核素特征量, 切比雪夫有理逼近方法, 活化手册

Abstract: AMY is a newly-developed code of handling neutron induced transmutation and activation in materials. The code is based on Chebyshev rational approximation method (CRAM) to solve Bateman equations and to deal with complex pattern of chains produced by sequences of neutron reaction processes.Varieties of material activation properties are provided in AMY, including activity, decay heat, biological hazard, dose rate, clearance index and gamma source spectra. In order to verify the code, basic nuclear database in handbook of activation data was selected for comparing with FISPACT-2007. It shows that results of AMY are in good agreement with FISPACT-2007, and calculation efficiency of AMY is slightly higher than FISPACT-2007.

Key words: activation calculation, activation properties, CRAM, handbook of activation data

中图分类号:

TL329.2

张彬航, 袁显宝, 张永红, 唐海波. 切比雪夫有理逼近方法在放射性核素特征量计算中的应用[J]. 计算物理, 2019, 36(4): 457-464.

ZHANG Binhang, YUAN Xianbao, ZHANG Yonghong, TANG Haibo. Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2019, 36(4): 457-464.

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切比雪夫有理逼近方法在放射性核素特征量计算中的应用

Chebyshev Rational Approximation Method for Activation Property Calculations of Radioactive Nuclides

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