The Integral Fast Reactor(IFR)is a short form for the Integral Closed-cycle Fast Breeder Reactor nuclear energy system,which consists of a sodium-cooled fast reactor,metal fuel fabrication facilities,spent fuel reprocessing facilities,and waste conditioning facilities.It represents an advanced stage of development for fast reactors and their fuel cycle systems.It enables efficient use of uranium resources and minimization of waste,significantly improving the quality and efficiency of the closed nuclear fuel cycle.The most significant feature of the IFR is the rapid and multiple recycling of nuclear fuel,which includes uranium,plutonium,and minor actinides,allowing it to be referred to as the full-actinide nuclear fuel cycle.This paper analyzes and evaluates the physical feasibility of the full-actinide nuclear fuel cycle in the IFR from aspects such as reactor nuclear design,fuel manufacturing and control of fuel composition,requirements for the recovery rate of spent fuel processing,and material radiation characteristics during the fuel cycle.
integral fast reactorfull actinide nuclear fuel cyclephysical feasibility
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