This paper has two main goals. First, the important reactor physics information of Generation IV reactor types is summarized. Simplified models of a representative fuel assembly of each of the six reactor concepts have been elaborated. Calculations have been performed to determine the infinite multiplication factors as a function of burnup. The infinite multiplication factors (k(inf)) and the fissile inventory ratios (FIR) were compared. According to the results the Lead-Cooled Fast Reactor, the Molten Salt Reactor and the Sodium-Cooled Fast Reactor can operate with the longest fuel cycle and the amount of the produced fissile isotopes is also the largest in these cases. (C) 2015 Elsevier Ltd. All rights reserved.
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