Investigations showed that spanwise blowing is a very effective measure for controlling breakdown of leading edge vortex over the wing and improving the aerodynamic characteristics at high angle of attack. 展向吹气对非定常气动特性影响试验研究研究表明展向吹气是控制机翼上旋涡破裂和流动分离的一种十分有效的气动措施。