该工作介绍了FFBR实验快堆堆芯物理设计的前提、设计准则以及设计中所用的程序和数据库。还给出了FFBR堆芯物理概念设计的主要参数。这些参数包括:功率、堆芯装料、功率分布、元件平均及最大燃耗深度、每次燃料循环的反应性损失、各区换料分额、等温温度系数、功率系数、钠空洞系数、Doppler系数、中子动力学参数、两套 This work presents the prerequisites, design guidelines, and procedures and databases used in designing FFBR experimental fast reactor core physics. The main parameters of FFBR core physical concept design are also given. These parameters include: power, core charge, power distribution, component average and maximum burnup depth, reactivity loss per fuel cycle, flotation quotas for each zone, isothermal temperature coefficient, power factor, sodium void factor, Doppler factor , Neutron kinetic parameters, two sets