航空工业第一飞机设计研究院 总体气动设计研究所, 西安 710089
吕新波(1977-), 男, 硕士, 研究员。 E-mail: lvxinbo771107@163.com
收稿:2026-05-21,
修回:2026-09-23,
网络首发:2026-09-29,
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吕新波,黄振威. 超声速民用飞机重心前后限和纵向飞行品质研究[J]. 航空工程进展.
LYU Xinbo,HUANG Zhenwei. Research on CG limits and longitudinal flying qualities for supersonic civil aircraft[J]. Advances in Aeronautical Science and Engineering.(in Chinese)
在满足声爆约束下的超声速民用飞机在布局和气动特性方面有很多特殊的地方,该类飞机飞行品质需要深入研究以确保飞行安全和更好性能。首先研究超声速民用飞机纵向气动特性和操纵特点,结合重心主动控制技术和最小静稳定裕度给出重心前限和重心后限的确定过程;然后对超声速民用飞机操纵性进行计算分析,提出合理确定重心前后限是解决超声速民用飞机纵向操纵能力偏低问题的关键点;最后对提高超声速民用飞机纵向飞行品质的有效方法进行研究。结果表明:超声速民用飞机超声速飞行时,虽然焦点大幅后移以及俯仰操纵效率偏低,通过合理设计重心前后限及增稳系统控制律可以保证超声速民用飞机在宽速域范围内具有满意的飞行品质。
Supersonic civil aircraft designed to meet sonic boom constraints have many special features in terms of configuration and aerodynamic characteristics. The flight quality of such aircraft requires research to ensure flight safety and better performance. Firstly, the longitudinal aerodynamic and control characteristics of supersonic civil aircraft are studied, and a design method for determining fore-and-aft center of gravity (CG) limits is proposed by combining active CG control technology with the minimum static stability margin. Then, a calculation method for the longitudinal control capability of supersonic civil aircraft is presented and analyzed. It is concluded that reasonably determining the fore-and-aft CG limits is the key to addressing the problem of insufficient longitudinal control capability for supersonic civil aircraft. Finally, effective methods for improving the longitudinal flying qualities of supersonic civil aircraft were investigated. The results show that during the supersonic cruise of supersonic civil aircraft, despite the significant rearward shift of the aerodynamic center and the low pitch control efficiency, satisfactory flying qualities throughout a wide speed range can be ensured by reasonably designing the forward and aft limits of the center of gravity as well as the control law of the stability augmentation system.
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