co-supported by the National Basic Research Program of China(No.2014CB744802);Major Research of National Natural Science Foundation of China(No.91952302);China Postdoctoral Science Foundation(No.2018 M642007)。
The Stereo Particle Image Velocimetry(SPIV)technology is applied to measure the wingtip vortices generated by the up-down symmetrical split winglet.Then,the temporal biglobal Linear Stability Analysis(bi-global LSA)is...
Project supported by the of National Basic Research Development Program of China(973 Program,Grant No.2014CB744802);the National Natural Science Foundation of China(Grant Nos.91852106,91841303);the National Numerical Wind Tunnel Project(Grant No.NNW2019ZT4-B09).
In this paper,the fluid transport in the interaction of two co-axial co-rotating vortex rings are investigated.Vortex rings are generated using the piston-cylinder apparatus,and the resulting velocity fields are measu...