Based on the computational fluid dynamics, a design method for flow meter is given through numerical simulation and experiment on metal tube rotameter with special structure fixed on the level piping.

• 摘要通过对适合安装于水平管道的特殊结构的金属管浮子流量计三维湍流流场的数值仿真及实验研究提出一种基于计算流体力学的流量传感器设计方法。