APPLICATION OF COSINE SHIELDING ANALYSIS CODE COSKERNEL IN PWR

抄録

The point kernel integration method shielding analysis code cosKERNEL is one of the important code in the COSINE code package, it mainly used in the shielding design and analysis of the main circuit equipment and auxiliary system equipment of nuclear power plants. In order to ensure that the code can actually be used for shielding modeling calculations in nuclear power plants, it needs to be verified. The theoretical model and solution method of point kernel integration are introduced in this paper. After that, application of cosKERNEL code is carried out by using measured data of operating nuclear power plant and ANSI/ANS, ESIS international benchmarks. Comparison results show that the calculation results of the cosKERNEL code are more conservative than the measured values, and are in good agreement with the benchmark code calculated values, which are within the benchmark numerical range. The self-developed cosKERNEL code has high calculation accuracy and reliable results.