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碟形飞行器是一种小展弦比全升力飞行器,采用一种仿生的鱼鳍型小翼对绕碟形飞行器的诱导流动现象进行改善,削弱翼尖诱导旋涡,提高整机气动效率.应用高精度风洞试验和以该风洞试验数据为校验的数值模拟,对鱼鳍型小翼的作用进行了研究,从风洞试验和数值模拟两方面给出了评判.研究结果表明:鱼鳍型小翼对碟形飞行器的诱导流动现象有较大的改善效果.
As a small aspect ratio full-lift vehicle, the flying saucer uses a bionic fins-shaped winglets to improve the inducing flow around the disc-shaped vehicle and weaken the tip-induced vortices and improve the aerodynamic efficiency of the aircraft. Precision wind tunnel test and the wind tunnel test data for the verification of the numerical simulation of the role of the fish fin type small wings were studied from the wind tunnel test and numerical simulation are given two judgments.The results show that: Winglets on the disc-shaped aircraft induced flow phenomenon has a greater improvement effect.