基于离散纵标输运计算方法的三维燃耗程序发展研究  

Development of three-dimensional burnup code system based on discrete ordinates(SN) transport method

作　　者：李静惊[1] 陈明亮[1] 郑善良[1] 蒋洁琼[1] 许德政[1] 何兆忠[1] 吴宜灿[1] FDS团队 

机构地区：[1]中国科学院等离子体物理研究所,安徽合肥230031

出　　处：《核科学与工程》2007年第4期379-384,共6页Nuclear Science and Engineering

基　　金：国家自然科学基金项目;中科院知识创新工程项目

摘　　要：为了精确描述和分析具有强烈各向异性中子注量率空间分布的反应堆燃耗过程,本文实现了三维SN输运计算与燃耗计算的耦合,发展了相应的三维输运燃耗耦合计算程序。该程序系统采用接口程序自动耦合三维SN输运计算程序和同位素燃耗计算程序的方法实现对三维中子学计算模型的精细燃耗计算,获得燃料同位素成分、燃耗反应性、中子注量率空间分布等参数随燃耗时间的变化量。采用IAEA基准校核例题对程序系统进行了校核,计算结果初步证明了所开发的三维燃耗程序系统的正确性。The burnup analysis program based on three dimensional discrete ordinates （SN） neutron/photon transport method has been developed by the FDS team, China, to aid in analysis, prediction, and optimization of fuel burnup performance in a nuclear reactor. The program uses output parameters generated by three-dimensional SN transport code to determine the isotopic inventory and anisotropic flux distribution as a function of time. For a fueled region, neutron transmutation, fuel depletion, fission-product poisoning, actinide generation, and burnable poison loading and depletion effects are included in the calculation. The IAEA benchmark test problem has been correctly calculated and analyzed to validate the system.

关 键 词：燃耗 三维 输运 离散纵标法 

分 类 号：TL32[核科学技术—核技术及应用]