水力驱动控制棒步进缸三维流场数值模拟  

Numerical Simulation for Three Dimensional Flow Field of the Step Cylinder in Hydraulic Control Rod Driving System

作　　者：王金华[1] 薄涵亮[1] 郑文祥[1] 姜胜耀[1] 

机构地区：[1]清华大学核能技术设计研究院,北京100084

出　　处：《原子能科学技术》2004年第1期54-58,共5页Atomic Energy Science and Technology

基　　金：跨世纪人才培养计划"基金资助项目

摘　　要：应用计算流体力学程序CFX5对水力驱动控制棒步进缸内部的三维流场进行了计算和分析。结果表明:步进缸内大部分区域流体流速较小,压力较高,且变化不大,发生明显变化的部位主要分布在步进缸底部水管入口及截面突变处、内外套对孔处和排气孔处。The three-dimensional flow field of the step cylinder in hydraulic control rod diving System is calculated and analyzed with the computational fluid dynamics program CFX5. The results indicate that the flow velocity is low and the pressure is high in most regions of the step cylinder, and the distinct variations of the flow field occur in the threshold of the step cylinder at the bottom and the abrupt transition sections, the holes in the inner and outer tubes and the exhaust hole.

关 键 词：水力驱动系统 控制棒 数值模拟 核供热堆 可靠性 安全性 计算流体力学 CFD 有限单元法 

分 类 号：TL413.2[核科学技术—核技术及应用]