Effect of Transplutonium Doping on Approach to Long-life Core in Uranium-fueled PWR
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概要
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The present paper advertises doping of transplutonium isotopes as an essential measure to improve proliferation-resistance properties and burnup characteristics of UOX fuel for PWR. Among them 241Am might play the decisive role of burnable absorber to reduce the initial reactivity excess while the short-lived nuclides 242Cm and 244Cm decay into even plutonium isotopes, thus increasing the extent of denaturation for primary fissile 239Pu in the course of reactor operation. The doping composition corresponds to one discharged from a current PWR. For definiteness, the case identity is ascribed to atomic percentage of 241Am, and then the other transplutonium nuclide contents follow their ratio as in the PWR discharged fuel. The case of 1 at% doping to 20% enriched uranium oxide fuel shows the potential of achieving the burnup value of 100 GWd/tHM with about 20% 238Pu fraction at the end of irradiation. Since so far, americium and curium do not require special proliferation resistance measures, their doping to UOX would assist in introducing nuclear technology in developing countries with simultaneous reduction of accumulated minor actinides stockpiles.
- 社団法人 日本原子力学会の論文
- 2002-08-25
著者
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SAITO Masaki
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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Artisyuk V
Tokyo Inst. Of Technol. Tokyo
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Saito Masaki
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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ARTISYUK Vladimir
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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PERYOGA Yoga
Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology
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Artisyuk Vladimir
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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SHMELEV Anatolii
Moscow Engineering Physics Institute
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Peryoga Yoga
Research Laboratory For Nuclear Reactor Tokyo Institute Of Technology
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Peryoga Yoga
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Saito Masakatu
Research Laboratory For Nuclear Reactors Tokyo Institute Of Technology
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Saito Masaki
Research Laboratory For Nuclear Reactor Tokyo Institute Of Technology
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