Vortex Characteristics over Delta Wing Subject to Transient Along-Core Blowing

摘要

This investigation is primarily focused on the poststall vortical structure over delta wing with a 75-deg sweep angle and its transient characteristics in response to various kinds of blowing perturbation issuing from the apex of the delta wing and along the vortex core (Fig. 1a). Some important results on the time constant of the vortex breakdown recovery process and its dependence on the angle of attack and blowing rates, as well as the type of blowing, will be addressed.