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Automatic X-ray inspection for escaped coated particles in spherical fuel elements of high temperature gas-cooled reactor
Alternative TitleEnergy
Yang, Min1; Liu, Qi1; Zhao, Hongsheng2; Li, Ziqiang2; Liu, Bing2; Li, Xingdong3; Meng, Fanyong4
2014-04-15
Source PublicationENERGY
ISSN0360-5442
Volume68Issue:1Pages:385-398
AbstractAs a core unit of HTGRs (high-temperature gas-cooled reactors), the quality of spherical fuel elements is directly related to the safety and reliability of HTGRs. In line with the design and performance requirements of the spherical fuel elements, no coated fuel particles are permitted to enter the fuel-free zone of a spherical fuel element. For fast and accurate detection of escaped coated fuel particles, X-ray DR (digital radiography) imaging with a step-by-step circular scanning trajectory was adopted for Chinese 10 MW HTGRs. The scanning parameters dominating the volume of the blind zones were optimized to ensure the missing detection of the escaped coated fuel particles is as low as possible. We proposed a dynamic calibration method for tracking the projection of the fuel-free zone accurately, instead of using a fuel-free zone mask of fixed size and position. After the projection data in the fuel-free zone were extracted, image and graphic processing methods were combined for automatic recognition of escaped coated fuel particles, and some practical inspection results were presented. (C) 2014 Published by Elsevier Ltd.; As a core unit of HTGRs (high-temperature gas-cooled reactors), the quality of spherical fuel elements is directly related to the safety and reliability of HTGRs. In line with the design and performance requirements of the spherical fuel elements, no coated fuel particles are permitted to enter the fuel-free zone of a spherical fuel element. For fast and accurate detection of escaped coated fuel particles, X-ray DR (digital radiography) imaging with a step-by-step circular scanning trajectory was adopted for Chinese 10 MW HTGRs. The scanning parameters dominating the volume of the blind zones were optimized to ensure the missing detection of the escaped coated fuel particles is as low as possible. We proposed a dynamic calibration method for tracking the projection of the fuel-free zone accurately, instead of using a fuel-free zone mask of fixed size and position. After the projection data in the fuel-free zone were extracted, image and graphic processing methods were combined for automatic recognition of escaped coated fuel particles, and some practical inspection results were presented. (C) 2014 Published by Elsevier Ltd.
KeywordSpherical Fuel Elements High-temperature Gas-cooled Reactors Digital Radiography Automatic Recognition
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2014.02.076
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCONE-BEAM CT ; RESEARCH-AND-DEVELOPMENT ; COMPUTED-TOMOGRAPHY ; NONDESTRUCTIVE MEASUREMENT ; IMAGE-RECONSTRUCTION ; PHASE-CONTRAST ; NUCLEAR-FUEL ; RADIOGRAPHY ; SUPPRESSION ; ARTIFACTS
WOS Research AreaThermodynamics ; Energy & Fuels
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000335874300042
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11007
Collection研究所(批量导入)
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
2.Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
3.Natl Inst Metrol, Beijing 100013, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang, Min,Liu, Qi,Zhao, Hongsheng,et al. Automatic X-ray inspection for escaped coated particles in spherical fuel elements of high temperature gas-cooled reactor[J]. ENERGY,2014,68(1):385-398.
APA Yang, Min.,Liu, Qi.,Zhao, Hongsheng.,Li, Ziqiang.,Liu, Bing.,...&Meng, Fanyong.(2014).Automatic X-ray inspection for escaped coated particles in spherical fuel elements of high temperature gas-cooled reactor.ENERGY,68(1),385-398.
MLA Yang, Min,et al."Automatic X-ray inspection for escaped coated particles in spherical fuel elements of high temperature gas-cooled reactor".ENERGY 68.1(2014):385-398.
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