The measurements were carried out in the large-scale wind tunnel at low speed of 9 m/s.Presented data consists of profiles of mean velocity and Reynolds stresses.

• 实验结果表明，气流流出扩压叶栅出口后，吸力面和压力面的通道涡将在较长的距离内保持其形态和强度，但是尾迹的形成及尾迹在压力的作用下向吸力面方向的偏斜成为了这一阶段的主要流动现象。