Development of shutdown dose rate calculation code based on cosRMC and application to benchmark analysis
文献类型：期刊论文
| 作者 | Zhang, Xian2 ; Liu, Shichang2; Lu, Peng1; Zhang, Xiaokang1; Zheng, Yu1; Chen, Yixue2; Liu, Songlin1
|
| 刊名 | FUSION ENGINEERING AND DESIGN
 |
| 出版日期 | 2021-12-01 |
| 卷号 | 173 |
| 关键词 | Shutdown dose rate R2S method Monte Carlo cosRMC ALARA |
| ISSN号 | 0920-3796 |
| DOI | 10.1016/j.fusengdes.2021.112846 |
| 通讯作者 | Liu, Shichang() |
| 英文摘要 | Accurate estimation of shutdown dose rate (SDR) has important reference significance for the design, operation and maintenance of fusion devices. In order to obtain the decay gamma source distribution with higher spatial resolution, a shutdown dose rate calculation code was developed based on the Rigorous two-step (R2S) method. The Monte Carlo code cosRMC and the radioactivity inventory code ALARA were coupled to calculate SDR in complex geometry based on mesh-tally. The ray tracking method was used to obtain the voxel-averaged nuclide density, and a decay photon sampling module was developed to accurately describe the distribution of the activation source. In order to improve the computational efficiency in deep penetration problems, the global variance reduction technique based on iterative weight window was adopted. The developed code was firstly verified with rectangular parallelepiped model consists of steel and water, in which the effect of bremsstrahlung photon was also discussed. Then the code was applied to the calculation and analysis of the ITER port plug benchmark, by comparing with other SDR calculation codes. The influence of different activation libraries on the decay gamma spectra and the effect of mesh resolution on the calculation accuracy were investigated. The results showed that the SDR function in cosRMC code is able to calculate SDR accurately with high spatial resolution for deep penetration problems. |
| WOS关键词 | VERIFICATION ; VALIDATION ; MESH |
| 资助项目 | National Magnetic Confinement Fusion Program of China[2019YFE03110000] ; National Magnetic Confinement Fusion Program of China[2019YFE03110003] ; National Natural Science Foundation of China[11905060] ; Beijing Municipal Natural Science Foundation[1204036] ; Fundamental Research Funds for the Central Universities[2019MS037] ; Young Elite Scientists Sponsorship Program of China Association for Science and Technology[2020QNRC001] |
| WOS研究方向 | Nuclear Science & Technology |
| 语种 | 英语 |
| WOS记录号 | WOS:000709527000001 |
| 出版者 | ELSEVIER SCIENCE SA |
| 资助机构 | National Magnetic Confinement Fusion Program of China ; National Natural Science Foundation of China ; Beijing Municipal Natural Science Foundation ; Fundamental Research Funds for the Central Universities ; Young Elite Scientists Sponsorship Program of China Association for Science and Technology |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/125735]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Liu, Shichang |
| 作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 2.North China Elect Power Univ, Sch Nucl Sci & Engn, Beijing 102206, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xian,Liu, Shichang,Lu, Peng,et al. Development of shutdown dose rate calculation code based on cosRMC and application to benchmark analysis[J]. FUSION ENGINEERING AND DESIGN,2021,173. |
| APA | Zhang, Xian.,Liu, Shichang.,Lu, Peng.,Zhang, Xiaokang.,Zheng, Yu.,...&Liu, Songlin.(2021).Development of shutdown dose rate calculation code based on cosRMC and application to benchmark analysis.FUSION ENGINEERING AND DESIGN,173. |
| MLA | Zhang, Xian,et al."Development of shutdown dose rate calculation code based on cosRMC and application to benchmark analysis".FUSION ENGINEERING AND DESIGN 173(2021). |
入库方式： OAI收割
来源：合肥物质科学研究院
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