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Analysis of DR testing blind zone of spherical fuel elements for 10 MW high-temperature gas-cooled reactor
Yang, Min1; Li, Rui1; Duan, Jinghui2; Liang, Lihong3; Li, Xingdong4; Liu, Wenli4; Meng, Fanyong5
2013-12-01
Source PublicationNDT & E INTERNATIONAL
Volume60Issue:0Pages:77-86
AbstractSpherical fuel elements technology is a main innovation of high-temperature gas-cooled reactors (HTGRs), which effectively improves the safety of the reactors for higher stability at high temperature, and their quality is crucial for the safety and reliability of HTDRs. According to a spherical fuel element's structure, the coated fuel particles are not permitted to enter the fuel-free zone and the elements with escaped fuel particles must be removed during the fuel elements' quality control. In this paper, we first introduce a DR imaging system for spherical fuel elements testing applied in Chinese 10 MW high-temperature gas-cooled reactor (HTR-10). Then the blind zone where escaped particles exist is analyzed under the continuous and concrete circular scanning trajectories and the cone-beam imaging geometrical configuration. The dominant scanning parameters determining the size of the blind zone are the rotation step angle and the distance from X-ray source to the tested object. An optimal method of designing the two parameters to decrease the size of the blind zone is proposed so as to satisfy the testing requirements. Finally, the optimal method is verified by computer simulation and some practical identification results are presented. (C) 2013 Published by Elsevier Ltd.
KeywordSpherical Fuel Elements High-temperature Gas-cooled Reactors Blind Zone Digital Radiography
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordRESEARCH-AND-DEVELOPMENT ; IMAGE-RECONSTRUCTION ; CT SYSTEM ; PROJECTION ; MINIMIZATION ; ARTIFACTS
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Characterization & Testing
WOS IDWOS:000326005300009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13523
Collection研究所(批量导入)
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
2.China Informat Secur Certificat Ctr, Beijing 100020, Peoples R China
3.China Special Equipment Inspect & Res Inst, Beijing 100013, Peoples R China
4.Natl Inst Metrol, Beijing 100013, Peoples R China
5.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Min,Li, Rui,Duan, Jinghui,et al. Analysis of DR testing blind zone of spherical fuel elements for 10 MW high-temperature gas-cooled reactor[J]. NDT & E INTERNATIONAL,2013,60(0):77-86.
APA Yang, Min.,Li, Rui.,Duan, Jinghui.,Liang, Lihong.,Li, Xingdong.,...&Meng, Fanyong.(2013).Analysis of DR testing blind zone of spherical fuel elements for 10 MW high-temperature gas-cooled reactor.NDT & E INTERNATIONAL,60(0),77-86.
MLA Yang, Min,et al."Analysis of DR testing blind zone of spherical fuel elements for 10 MW high-temperature gas-cooled reactor".NDT & E INTERNATIONAL 60.0(2013):77-86.
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