摘要
将反应堆堆芯元件简化为圆柱排列,用涡格子CFD(计算流体力学)方法对其中基本并列双圆柱元素进行数值研究。利用这种方法直接计算出涡的对流和扩散,通过对流场中涡运动的物理机理的计算与描述,得到流体运动绕流双圆柱作用力的变化,揭示出堆芯元件的流致振动流体力学机理。
In this paper, the vortex lattice CFD （Computational Fluid Dynamics） method is employed to investigate the dynamic response of core fuel and control rods on the fluid flow in nuclear reactors. The vortex lattice CFD method can represent the mechanism of flow-induced vibration through studying the vortex convention and vortex diffusion. Based on the computational results, compared with other published experimental and numerical data, the variation of magnitude and direction of the force is found to be the basic reason for flow induced vibration.
出处
《核动力工程》
EI
CAS
CSCD
北大核心
2006年第2期36-39,共4页
Nuclear Power Engineering
关键词
涡格子
计算流体力学
控制棒
流致振动
反应堆
Vortex lattice, Computational Fluid Dynamics, Control rod, Flow-induced vibration, Reactor
