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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 890 - 898 (9page)
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초록· 키워드
오류제보하기
Nondestructive inspection (NDI) is an integral part of structural integrity analyses of dry storage casksthat house spent nuclear fuel. One significant concern for the structural integrity is stress corrosioncracking in the heat-affected zone of welds in the stainless steel canister that confines the spent fuel. Insitu NDI methodology for detection of stress corrosion cracking is investigated, where the inspection usesa delivery robot because of the presence of the harsh environment and geometric constrains inside thecask protecting the canister. Shear horizontal (SH) guided waves that are sensitive to cracks orientedeither perpendicular or parallel to the wave vector are used to locate welds and to detect cracks. SHwaves are excited and received by electromagnetic acoustic transducers (EMATs) using noncontact ultrasonictransduction and pulse-echo mode. A laboratory-scale canister mock-up is fabricated andinspected using the proposed methodology to evaluate the ability of EMATs to excite and receive SHwaves and to locate welds. The EMAT's capability to detect notches from various distances is evaluated ona plate containing 25%-through-thickness surface-breaking notches. Based on the results of the distancesat which notch reflections are detectable, NDI coverage for spent nuclear fuel storage canisters isdetermined.
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참고문헌 (30)
참고문헌 신청
국동학 / 2013 / Review of Spent Fuel Integrity Evaluation for Dry Storage / Nuclear Engineering and Technology 45(1):115~124
E. Supko / 2012 / Impacts Associated with Transfer of Spent Nuclear Fuel from Spent Fuel Storage Pools to Dry Storage after Five Years of Cooling
Mirae Yun / 2017 / A software tool for integrated risk assessment of spent fuel transportation and storage / Nuclear Engineering and Technology 49(4):721~733
D. Hong / 2015 / Recommendation on Spent Nuclear Fuel Management / Public Engagement Commission on Spent Nuclear Fuel Management
C.J. Lissenden / 2017 / Toward robotic inspection of dry storage casks for spent nuclear fuel / J. Press. Vessel Technol.-Trans 139:031602
E. Supko / 2012 / Impacts Associated with Transfer of Spent Nuclear Fuel from Spent Fuel Storage Pools to Dry Storage after Five Years of Cooling
Mirae Yun / 2017 / A software tool for integrated risk assessment of spent fuel transportation and storage / Nuclear Engineering and Technology 49(4):721~733
D. Hong / 2015 / Recommendation on Spent Nuclear Fuel Management / Public Engagement Commission on Spent Nuclear Fuel Management
C.J. Lissenden / 2017 / Toward robotic inspection of dry storage casks for spent nuclear fuel / J. Press. Vessel Technol.-Trans 139:031602
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