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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 3,704 - 3,710 (7page)
- DOI
- https://doi.org/10.1016/j.net.2021.05.029
이용수
초록· 키워드
오류제보하기
The characteristics of the external radiation on the surface of the casks for spent nuclear fuel (SNF)storage by dry method are investigated for the case when the spatial distribution of SNF in the basketchanges due to the destruction of the fuel rod claddings. The surface areas are determined, where thechanges in fluxes of neutrons, produced by 244Cm actinide, and g-quanta, produced by long-lived isotopes, are maximum in the result of the decrease in the height of the SNF area. Concrete (VSC-24) andmetal (SC-21) casks are considered as examples. The procedure of periodic measurement of the dose rateof neutrons or g-quanta at the specified points of the cask surface is proposed for identifying the fuel rodcladding destruction. Under normal operation, the decrease in the dose rate produced by neutrons as thefunction of SNF storage duration is determined by the half-life of 244Cm, and for g-quanta - by the halflives of long-lived SNF isotopes. Consequently, a stepwise change in the dose rate of neutrons or gquanta, detected by the measurements, as compared to the previous one, would indicate the destructionof the fuel rod claddings.
목차
등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
O.K. Chopra / 2013 / Managing Aging Effects on Dry Cask Storage Systems for Extended Long-term Storage and Transportation of Used Fuel e Revision 1
Svitlana Alyokhina / 2019 / Thermal state of ventilated storage container with spent nuclear fuel under normal operation / International Journal of Nuclear Energy Science and Technology 13(4):381~398
S.V. Alyokhina / 2019 / Naukovi Osnovy Teplovoyi Bezpeky Sukhoho Zberihannya Vidprats’ovanoho Yadernoho Palyva: Dys. Na Zdobuttya Nauk. Stupenya Doktora Tekhn / Teplovi Ta Yaderni Enerhoustanovky :302
I. I. Zalyubovskii / 2011 / External radiation of a container used for dry storage of spent VVER-1000 nuclear fuel from the Zaporozhie Nuclear Power Plant / Atom. Energy 109(6):396~403
고재훈 / 2014 / Shielding Analysis of Dual Purpose Casks for Spent Nuclear Fuel Under Normal Storage Conditions / Nuclear Engineering and Technology 46(4):547~556
Svitlana Alyokhina / 2019 / Thermal state of ventilated storage container with spent nuclear fuel under normal operation / International Journal of Nuclear Energy Science and Technology 13(4):381~398
S.V. Alyokhina / 2019 / Naukovi Osnovy Teplovoyi Bezpeky Sukhoho Zberihannya Vidprats’ovanoho Yadernoho Palyva: Dys. Na Zdobuttya Nauk. Stupenya Doktora Tekhn / Teplovi Ta Yaderni Enerhoustanovky :302
I. I. Zalyubovskii / 2011 / External radiation of a container used for dry storage of spent VVER-1000 nuclear fuel from the Zaporozhie Nuclear Power Plant / Atom. Energy 109(6):396~403
고재훈 / 2014 / Shielding Analysis of Dual Purpose Casks for Spent Nuclear Fuel Under Normal Storage Conditions / Nuclear Engineering and Technology 46(4):547~556
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