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Journal Articles

Optimization study on accelerator driven system design for effective transmutation of iodine-129

Ismailov, K.*; Nishihara, Kenji; Saito, Masaki*; Sagara, Hiroshi*

Annals of Nuclear Energy, 56, p.136 - 142, 2013/06

 Times Cited Count:6 Percentile:44.21(Nuclear Science & Technology)

The transmutation of iodine-129 in accelerator driven system (ADS) is studied. The sodium iodide assembly loadings inside the core of ADS and in the surrounding core region are considered. The introduced concept of ADS with a power of 800 MWt is able to transmute 250 kg/y of minor actinides (MAs) and 46 kg/y of Iodine-129 that supports ten PWRs. The initial loading masses of MAs and I-129 in ADS were equal to 3810 kg and 824 kg, respectively.

Journal Articles

Feasibility of uranium spallation target in accelerator-driven system

Ismailov, K.*; Saito, Masaki*; Sagara, Hiroshi*; Nishihara, Kenji

Progress in Nuclear Energy, 53(7), p.925 - 929, 2011/09

 Times Cited Count:10 Percentile:61.04(Nuclear Science & Technology)

A feasibility study on natural uranium spallation target in accelerator-driven system (ADS) for minor actinide (MA) transmutation was performed. As a result of comparative study of uranium and lead-bismuth (PbBi) targets in the bare case without blanket surrounding, it was found that uranium target had better neutron generation performance, but limited by the geometrical size due to high neutron absorption in $$^{238}$$U. In ADS for MA transmutation, uranium used as target instead of PbBi also absorbs neutrons passing the target area. More realistic concept of pin type uranium spallation target cooled by liquid PbBi was considered aiming at enhancing spallation target performance in terms of neutron generation efficiency and operation temperature. The uranium pin target design had nothing better effects on neutron balance of such system than a conventional PbBi target in ADS and it was concluded that uranium target was not suitable for the full-scale ADS.

Journal Articles

Precise experiment on (anti-n)+d scattering at 12MeV

Nishimori, Nobuyuki; Sagara, K.*; Fujita, T.*; Wakamatsu, Fumihiko*; Bussaki, Toru*; Maeda, Kazuhide*; Akiyoshi, H.*; Tsuruta, Kaoru*; Nakamura, Hiroyuki*; Nakashima, Takao*

Nuclear Fusion, 631, p.697C - 700C, 1998/03

no abstracts in English

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