The results show that: near the slot exit, pairs of vortexes are generated, broken down and merged together periodically, forming the continue jet at one normal distance near the slot nozzle.

• 研究结果表明：在紧邻喷口的法向距离内，涡对周期性地生成、破碎和融合，在某个法向距离上形成较为稳定的连续性射流；