Aerodynamic Test Study on Slender Air Vehicle at Extra-Wide Angle-of-Attack

被引：0

作者：

Zhang, Zhiyang ^{[1
]}

Song, Yuhui ^{[1
]}

Liu, Jin ^{[1
]}

Wang, Fangjian ^{[1
]}

机构：

[1] China Acad Aerosp Aerodynam, Beijing, Peoples R China

来源：

2023 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON AEROSPACE TECHNOLOGY, VOL II, APISAT 2023 | 2024年 / 1051卷

关键词：

Extra-wide angle-of-attack; Static force test; Nonlinear aerodynamics; Normal force; Pitch moment; WAKE;

D O I：

10.1007/978-981-97-4010-9_149

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The aerodynamic force experienced by an air vehicle during rapid flipping or large-angle maneuvering exhibits strong nonlinearity and a complex flow field. Multiple sets of models were designed to measure the aerodynamic coefficient of the angle of attack for slender air vehicles from 0 to 180 degrees under different Mach numbers (Ma = 0.6, 0.8, 1.1) through wind tunnel tests in FD-12. The results indicate that the normal force and pitch moment of the model change significantly with the angle of attack, exhibiting a peak value. Regarding normal forces, there are three distinct stages for the air vehicle's behavior. To enhance the flipping efficiency of the air vehicle, it can be beneficial to add it to the front section of its slender body.

引用

页码：1945 / 1953

页数：9

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