In this paper, a new method of measuring liquid three dimensional flow velocity by rotating the probe in the plane is presented based on the elaborate analyzing of hot film anemometer.

• 针对热膜流速仪元件的工作原理提出了通过平面旋转测量液体三维流速的新方法,并测量了大型精馏塔板液相单相三维流场,为计算流体力学对塔板模拟提供了实验验证。