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针对板型元件组件少群参数计算问题,对组件几何模型建立、燃料板共振计算、板型元件组件中子输运计算以及整个计算流程进行研究,并以此为基础编制板型元件组件计算程序PICM。通过对国际原子能机构(IAEA)板型基准问题的计算来验证PICM程序的计算正确性,结果表明PICM程序能够准确进行板型元件组件少群参数的计算。
Aiming at the problem of the calculation of the small group parameters of the plate-type components, the research on the geometric model of the components, the calculation of the resonance of the fuel plate, the calculation of the neutron transport of the plate-type components and the whole calculation flow is carried out. Based on the calculation, PICM. The computational accuracy of the PICM program was verified by calculation of the International Atomic Energy Agency (IAEA) plateform benchmark. The results show that the PICM program can accurately calculate the minority group parameters of the plate-type component.