双重飞翼的不稳定的空气动力学力与不同的前翼动力学
Zengshuang Chen1, Yuxin Xie1, Xueguang Meng1
1State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
Biomimetics (Basel, Switzerland)
|September 27, 2024
概括
龙飞行依赖于独立的机翼控制. 这项研究揭示了双翼前翼运动的变化如何显著影响空气动力学力,为微型空气车辆设计提供了洞察力.
科学领域:
- 流体动力学 流体动力学
- 空气动力学 航空动力学
- 生物启发的工程是生物启发的.
背景情况:
- 龙在飞行中表现出独立的前翼和后翼控制.
- 以前的研究通常假定前翼和后翼动力学相同.
- 了解与差异动力学相关的双重飞翼的空气动力学干扰至关重要.
研究的目的:
- 为了研究3D串联飞翼的空气动力学干扰,前翼和后翼动力学不同.
- 分析前翼飞幅度 (Φ1),平均角度 (φ1 ̄),俯仰旋转时间 (Δtr1) 和翼间距 (L) 的影响.
主要方法:
- 气动力学力和流场的数值检查.
- 分析三维串联飞翼系统的分析.
- 参数研究侧重于前翼动力学和翼间距.
主要成果:
- 前翼飞幅度 (Φ1) 和平均角度 (φ1 ̄) 显著影响空气动力学力.
- 斜率旋转持续时间 (Δtr1) 对空气动力学力产生最小的影响.
- 前翼动力学对力量的影响取决于翼间距 (L),改变狭窄通道,下水和唤醒捕获效应.
结论:
- 前翼动力学批判性地调节着空气动力学力量,使得双翼并排地打.
- 这些发现为通过前翼控制优化双重飞翼微型飞机性能提供了基础.
- 这项研究强调了差异翼动力学在生物灵感飞行中的重要性.
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