Aerodynamic characteristics and flow mechanism of the configuration with variable forward-swept wing

被引：0
|
作者：
Liu, Wen-Fa [1 ]
Wang, Xu [1 ]
Liu, Xiong [1 ]
机构：
[1] College of Engineering, Air Force Engineering University, Xi'an 710038, China
来源：
Kongqi Donglixue Xuebao/Acta Aerodynamica Sinica | 2010年 / 28卷 / 05期
关键词：
Numerical methods - Viscous flow - Aerodynamic drag - Delta wing aircraft - Lift drag ratio - Aerodynamic configurations - Swept wings;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aerodynamic characteristics and flow mechanism of the aerodynamic configuration with variable forward swept wing was investigated by the Navier-Stokes control equation and flow-field numerical simulational method. In low subsonic speed, the wing is approximately orthogonal to achieve greater lift-drag ratio when taking off, cruising or Landing. In low transonic speed, the forward-swept angle can be appropriately adjusted in order to improve stall characteristics while needing to strike or maneuver. Moreover, during chasing or escaping at a supersonic speed, the wing is fully forward-swept as a delta wing to minish the supersonic wave drag. Reseach results of the paper provide references for high perfomance aerodynamic configuration design.
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收藏
页码：559 / 564
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