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 引用本文: 刘文, 郭帅旗, 刘洋, 王发民, 张陈安. 乘波体设计与优化研究进展——从高超声速至宽速域. 力学学报, 2024, 56(6): 1655-1677.
Liu Wen, Guo Shuaiqi, Liu Yang, Wang Famin, Zhang Chen'an. Advances in design and optimization of waverider —— From hypersonic to wide-speed range. Chinese Journal of Theoretical and Applied Mechanics, 2024, 56(6): 1655-1677.
 Citation: Liu Wen, Guo Shuaiqi, Liu Yang, Wang Famin, Zhang Chen'an. Advances in design and optimization of waverider —— From hypersonic to wide-speed range. Chinese Journal of Theoretical and Applied Mechanics, 2024, 56(6): 1655-1677.

## ADVANCES IN DESIGN AND OPTIMIZATION OF WAVERIDER —— FROM HYPERSONIC TO WIDE-SPEED RANGE

• 摘要: 高超声速飞行器是当前世界航空航天强国抢占制高点的重点方向. 目前, 该类飞行器正朝着更高速度、更强机动和更宽速域的方向发展, 而乘波体的高升力、高升阻比以及下表面流动均匀等优势使其在高超声速飞行器设计中极具应用价值, 是当前国内外高超声速气动布局领域研究的热点之一. 文章回顾了国内外典型高超声速飞行器和宽域飞行器的发展历程和趋势, 系统概述了传统乘波体的设计方法、优化方法、各向稳定性以及宽域化乘波体设计方法等方面的研究进展, 并提出一种全参数化描述的宽域乘波翼身融合布局设计方法及宽域气动布局方案, 结合数值计算和风洞试验对该布局的宽域气动特性进行了详细评估, 结果表明: 该布局的亚声速、超声速和高超声速最大升阻比分别为8.4(Ma0.8), 5.8(Ma1.5)和5.0(Ma5), 整个宽域焦点变化范围为4.8%L, 具备较优的宽域升阻匹配和操稳匹配特性. 最后, 对乘波体在超高速气动物理影响与正向优化设计方法、宽域布局设计与优化方法以及智能可变形飞行器等方面的发展方向进行了展望.

Abstract: Hypersonic vehicle is one of the key development objects of the worldwide main power of space technology. Nowadays, this type of vehicles is advancing towards the increased speed, augmented maneuverability, and expanded speed range. Waverider is one promising candidate configuration in hypersonic vehicle design due to the excellent advantage of high lift, high lift-to-drag ratio, and uniform flowfield characteristics around the lower surface, which has been a hot area of the hypersonic aerodynamic configuration research for the past decades. This paper first conducts a comprehensive overview of both the historical development and the current trend in typical hypersonic and wide-speed range vehicles at home and abroad. Then the typical design methods, optimization methods, and static/dynamic stability of the traditional waverider are introduced in detail. Overall, the encouraging progress has made the engineering application for the hypersonic waverider quite feasible. Furthermore, the typical design methods of the wide-speed waverider configuration is introduced, mainly including the direct combination of different waveriders, the vortex-shock waverider, and the blending of wing and waverider. In addition, a novel layout design method and project of the waverider-based blended wing-body configuration is presented and the wide-speed range aerodynamic performance is evaluated in detail based on the CFD numerical simulation and wind tunnel experiment. Results show that the subsonic, supersonic, and hypersonic lift-to-drag ratio of this waverider configuration is 8.4 (Ma0.8), 5.8 (Ma1.5), and 5.5 (Ma5.0), respectively, and the variation range of the wide-speed longitudinal aerodynamic center is only 4.8%L, demonstrating the good combination of different high speed and low speed design theory and the superior wide-speed lift-drag and stability-maneuverability matching performance. Finally, the future research and development trend of the waverider configuration is outlined, including the active design and optimization method considering the effects of hypersonic aerodynamic physics, the aerodynamic design and optimization method for hypersonic wide-speed vehicles, and the intelligent variable shape vehicles.

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