Physics study of deep-burning of spent fuel transuranics using commercial LWR cores
- Authors
- Hong, Ser Gi; Park, Sang Yoon; Lee, Kyung Hoon; Cho, Jin Young; Jo, Chang Keun; Lee, Won Jae; Venneri, Francesco
- Issue Date
- Jun-2013
- Publisher
- ELSEVIER SCIENCE SA
- Citation
- NUCLEAR ENGINEERING AND DESIGN, v.259, pp.79 - 86
- Indexed
- SCIE
SCOPUS
- Journal Title
- NUCLEAR ENGINEERING AND DESIGN
- Volume
- 259
- Start Page
- 79
- End Page
- 86
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162530
- DOI
- 10.1016/j.nucengdes.2013.02.042
- ISSN
- 0029-5493
- Abstract
- This paper describes a physics study of the utilization and destruction of the transuranic (TRU) nuclides contained in spent fuel through a high burnup irradiation (Deep Burn) in commercial light water reactors (LWR). The TRU nuclides are contained in the Fully Ceramic Micro-encapsulated (FCM) fuel, comprising of TRISO particles dispersed in a matrix of silicon carbide and manufactured in fuel pellets and fuel pins. This study is performed by using the traditional two-step core design procedure, which consists of fuel assembly calculations and core analysis. The main focus is on the core physics characteristics including safety-related parameters. The target reference core is the YongGwang unit 3, cycle 6 reload core. New fuel assemblies consisting of the conventional UO2 pins and new FCM TRU fuel pins are charged into the cores from cycle 6 to an equilibrium cycle. The results show that the reload cores can be designed to achieve the deep-burning (similar to 60% burnup) of 'TRU without adverse changes to the safety-related parameters and the core performance parameters. The equilibrium core has TRU self-recycling capabilities, being able to "deep burn" as much TRU nuclides as it generates.
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