Dynamic Characteristics of Accelerator-Driven Subcritical Reactor With Self-Adapting Multi-Mode Core Few-Group Constants

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成果类型：

期刊论文

作者：

Deng, Nianbiao;Xie, Jinsen;Hou, Cheng;Zeng, Wenjie;Chen, Zhenping;...

通讯作者：

Yu, Tao

作者机构：

[Liu, Zijing; Xie, Qin; Deng, Nianbiao; Zeng, Wenjie; Chen, Zhenping; Xie, Jinsen; Yu, Tao; Zhao, Pengcheng] Univ South China, Sch Nucl Sci & Technol, Hengyang, Hunan, Peoples R China.

[Liu, Zijing; Xie, Chao; Xie, Qin; Deng, Nianbiao; Zeng, Wenjie; Chen, Zhenping; Xie, Jinsen; Yu, Tao; Zhao, Pengcheng] Univ South China, Res Ctr Digital Nucl Reactor Engn & Technol Hunan, Hengyang, Hunan, Peoples R China.

[Hou, Cheng] China Inst Atom Energy, Reactor Engn Technol Res Div, Beijing, Peoples R China.

[Xie, Chao] Univ South China, Sch Resource Environm & Safety Engn, Hengyang, Hunan, Peoples R China.

通讯机构：

[Yu, Tao] U

Univ South China, Sch Nucl Sci & Technol, Hengyang, Hunan, Peoples R China.

Univ South China, Res Ctr Digital Nucl Reactor Engn & Technol Hunan, Hengyang, Hunan, Peoples R China.

语种：

英文

关键词：

Accelerator-driven subcritical system;Multi-mode core few-group constants;Improved quasi-static method;Dynamic characteristics analysis;Beam transients

期刊：

Frontiers in Energy Research

ISSN：

2296-598X

年：

2021

卷：

页码：

603084

DOI：

10.3389/fenrg.2020.603084

基金类别：

This work is supported by the National Natural Science Foundation of China (No. 11875162).

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

In this study, the dynamic characteristics of accelerator-driven subcritical reactor (ADSR) under beam transients with high heterogeneity of neutron flux in time-space are investigated. Multi-mode core few-group constants are generated by three kinds of neutron fluxes: steady state of ADSR, λ-eigenvalue fundamental wave, and α-eigenvalue fundamental wave. The proposed few-group constants overcome the limitation of single few-group constant generated by two-step method that cannot consider the variation in neutron flux density and neutron ener...

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Dynamic Characteristics of Accelerator-Driven Subcritical Reactor With Self-Adapting Multi-Mode Core Few-Group Constants

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