| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reactor core analyzing program which can easily calculate nuclear constants corresponding to an operation condition of a core reactor and precisely evaluate nuclear characteristics in the core reactor using the calculated nuclear constants. <P>SOLUTION: A core reactor analyzing program that evaluates nuclear characteristics in a core reactor and can be executed on a hardware comprises steps of: a nuclear constant calculating step S101 for setting calculation points for each of a plurality of parameters dependent on a nuclear reaction in a fuel assembly and calculating nuclear constants on the calculation points set for each parameter; an fitting equation deriving step S102 for deriving fitting equations of the nuclear constants corresponding to deviations of each parameter from the calculated nuclear constants on the calculation points so as to provide robustness for the fitting equations; a core reactor calculating step S103 for deriving nuclear constants corresponding to a plurality of parameters that change according to an operation condition of the core reactor from the fitting equations and executing a calculation of the core reactor based on the derived nuclear constants. <P>COPYRIGHT: (C)2012,JPO&INPIT |
