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Experimental Flight Characterization of a Canard-Controlled, Subsonic Missile

机译:Canard控制的亚音速导弹的实验飞行特性

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The goal of this study is to improve understanding of maneuvering flight and reduce aerodynamic uncertainty of guided munitions to compress the iterative design cycle and realize enhanced maneuverability vehicles. To accomplish this, novel dynamic wind tunnel and spark range flight experiments were performed. An actively controlled vehicle was mounted on a three degree-of-freedom gimbal in a wind tunnel with balance, Euler angle, and canard deflection instrumentation. Free-flight spark range firings were conducted with various configurations to isolate control aerodynamics and induce a spectra of angle of attack. An aerodynamic model was postulated to capture high maneuver phenomena such as flow separation and vortex interactions which were encountered during experiments. This aerodynamic model was used with the experimental data in a parameter estimation algorithm to obtain static and dynamic aerodynamics. Results confirm the novel experimental and aerodynamic modeling approaches and provide validation data for computations.
机译:这项研究的目的是增进对机动飞行的了解,减少制导弹药的空气动力学不确定性,以压缩迭代设计周期并实现增强的机动性。为此,进行了新颖的动态风洞和火花范围飞行实验。将主动控制的车辆安装在风洞中的三自由度万向节上,该万向节具有天平,欧拉角和卡纳德偏转仪表。以各种配置进行自由飞行火花射程点火,以隔离控制空气动力学并产生迎角谱。假定使用空气动力学模型来捕获高机动性现象,例如在实验过程中遇到的气流分离和涡旋相互作用。该空气动力学模型与参数估计算法中的实验数据一起使用,以获得静态和动态空气动力学。结果证实了新颖的实验和空气动力学建模方法,并为计算提供了验证数据。

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