The invention provides a double-sweepback waverider design method of a fixed plane shape based on a projection method. The double-sweepback waverider generated by the method has waverider characteristics and high-attack-angle nonlinear lift force at a high speed, the lift force amplification is as high as 22.41% at a 20-degree attack angle, the lift-drag ratio reaches 7 at a low speed, a vortex wave effect is achieved to improve the lift-drag ratio, and the aerodynamic performance of a wide speed range is achieved.
本发明提供一种基于投影法的定平面形状的双后掠乘波体设计方法。本发明生成的双后掠乘波体在高速时具有乘波特性以及大迎角非线性升力,本发明实施例在20°攻角时升力增幅高达22.41%,在低速时升阻比达到7,具有涡波效应来提高升阻比,具有宽速域的气动性能。
Double-sweepback waverider design method of fixed plane shape based on projection method
一种基于投影法的定平面形状的双后掠乘波体设计方法
2020-05-15
Patent
Electronic Resource
Chinese
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