leaf trace

The experimental method of observing the spatial structure of leaf trace and leaf crack;

观察植物叶迹、叶隙立体结构的实验方法

A particle image velocimetry system was used to measure the secondary flow in the volute cross-section and the blade wake flow.

用粒子图像速度场仪技术对叶片尾迹区及蜗壳出口横截面上的二次流做了详细的变工况测量与分析。