堆芯定期物理实验优化
Optimization of periodical physical flux map test
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摘要: 利用 SOPHORA系统,从理论上分析了长时间 RPN11物理实验间隔的可行性。通过修改中广核自主研发的通量图处理软件 MAPLE 和现场物理实验处理软件 HOLLY 等耦合软件的理论模型及开发内嵌的单点标定方法等,可以减少循环内定期 RPN12物理实验的实施频率,而不影响仪控系统相关标定系数的精度。对RPN11和RPN12物理实验测量过程的敏感性分析结果表明,延长定期RPN11实验的时间间隔和取消部分 RPN12实验在原理上是可行的。Abstract: The optimization of the core periodical physical flux map test could be done using the SOPHORA on-line core monitoring system developed by China General Nuclear Power Group.This system can perform the calculation of 3D online moni-toring,core operation analysis in depth,core subsequent state simulation and prediction,the core operation strategy generation and optimization,and so on.Combining on-line theoretical calculation and instrument measurement,SOPHORA can get the best estimated measured power distribution.By coupling the self-reliant flux map processing code MAPLE and the physics experiment processing code HOLLY,one can analyse the feasibility of delay of RPN11 test interval.A single point ex-core calibration method has been developed in SOPHORA,which can reduce the frequency of carrying out RPN12 test.The results of sensitivity study of RPN1 1 and RPN1 2 test measurement process show that it is possible to extend the time interval of RPN1 1 test and to cancel some of the RPN1 2 test experiment.
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