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논문 기본 정보

자료유형
학술저널
저자정보
Thanh Mai Vu (VNU University of Science, Vietnam National University) Donny Hartanto (Department of Mechanical and Nuclear Engineering University of Sharjah) Pham Nhu Viet Ha (Institute for Nuclear Science and Technology, Vietnam Atomic Energy Institute)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제7호
발행연도
2021.7
수록면
2,095 - 2,103 (9page)
DOI
https://doi.org/10.1016/j.net.2021.01.004

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A small power ADS design using thorium oxide and diluent matrix reprocessed fuel is proposed for ahigh transmutation rate, small reactivity swing, and strong safety features. Two fuel matrices (CERCERand CERMET) and different recycled fuel compositions recovered from UO2 spent fuels with 45 GWd/tUand 60 GWd/tU burnup were investigated to determine the suitable fuel for the ADS. It was found thatthe transmutation of each isotope depends on TRU initial loading amount. After examining the cores, theresults show that CERCER fueled ADS has a negative coolant void reactivity (CVR) and a smaller radiotoxicityat discharge compared to that of CERMET core. It implies that CERCER fuel has enhanced safetyfeatures and more flavor in terms of radiotoxicity management. To increase fuel utilization and coreoperation efficiency, a simple assembly shuffling pattern for the CERCER fueled ADS is also proposed. Eigenvalue and burnup calculations were conducted using Serpent 2 with ENDF/B-VII.0 library in bothkcode and external source modes, and it indicates that the results of transmutation analyses obtained bykcode only is reliable to discuss the transmutation potential of ADS. Burnup calculation with the fixedsourcemode is essential to be used for more practical results of the transmutation by ADS.

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