基于拟Newton算法的Purex流程计算机模拟程序  

A Computer Program Based on Quasi Newton Arithmetic for the Simulation of Purex Process

作　　者：何辉[1] 胡景炘[1] 张先业[1] 王方定[1] 

机构地区：[1]中国原子能科学研究院放射化学研究所,北京102413

出　　处：《原子能科学技术》2001年第3期217-222,共6页Atomic Energy Science and Technology

摘　　要：在多级逆流萃取MESH方程基础上 ,基于拟Newton算法编写了用于模拟Purex萃取流程的计算机程序 ,使用SEPHIS分配比模型 ,分别以 1A、2D槽工艺条件为例 ,计算了其各级出口的U、Pu、酸浓度。程序计算结果与实验浓度剖面符合很好。相对于已有的一些计算机模拟程序 ,该程序具有适用性广。In order to predict the distribution and chemical behaviors of U, Pu, nitric acid in the Purex process of spent fuel reprocessing, a computer program is developed. The mathematical model of the program is based on quasi Newton arithmetic. The distribution profiles of 1A and 2D are calculated by the computer program, and the calculated results are in good agreement with the experimental results. A conclusion can be drown that the program shows better astringency and precision.

关 键 词：计算机程序 拟Newton算法 PUREX流程 乏燃料后处理 萃取 计算机模拟 

分 类 号：TL241.14[核科学技术—核燃料循环与材料] TP319[自动化与计算机技术—计算机软件与理论]