压水堆核电站α辐射的测量及防护

Abstract

Abstract: Fuel cladding defects or failure in PWR nuclear power plants (NPP) could result in release of irradiated fuel fragments from fuel assembly into coolant, among which alpha radionuclides dominated bytransuranium may cause systems, equipments, and worksites contaminated, and also increase the risk of internal contamination for workers. NPPs have always paidless attention to this due to the lower probability of occurence, however. We introduces the requirements and procedures, for alpha measurement and protectionin PWR NPPs,of the French Electric Power Company (EDF) and the (United States) Electric Power Research Institute (EPRI). In view of the problems existing in domestic NPPs with respect to alpha contamination control, we make suggestions forimprovement.

Key words: Radiation protection, Alpha measurement, NPP

CLC Number:

TL75+1

Yang Junwu, Yu Enjian, Wang Chuan, Lun Zhenming, Wu Huiyuan. Alpha Radiation Measurement and Protection in PWR Nuclear Power Plants[J].RADIATION PROTECTION BULLETIN, 2019, 39(3): 10-15.

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Alpha Radiation Measurement and Protection in PWR Nuclear Power Plants

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