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针对外翼断裂飞机安全飞行问题,采用CFD仿真方法,建立了针对该特殊气动问题的分析模型,提出了外翼断裂飞机安全飞行控制方法,并通过仿真计算得到,基于副翼平衡法的外翼相对损伤极限为14.2%,基于侧飞平衡法的外翼相对损伤极限为24.5%,为战时外翼断裂飞机带伤飞行提供了参考和评估方法。
Aiming at the problem of safe flight of the outer flaps, CFD simulation method is used to establish the analytical model for this particular aerodynamic problem. The control method of the safety of the outer flaps is put forward. The simulation results show that the outer flaps based on the aileron balance method The relative damage limit is 14.2%. The relative damage limit of the outer wing based on the side-fly balance method is 24.5%, which provides a reference and assessment method for the wounded flying of the outer-wing fracture aircraft in wartime.