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Experimental and Modeling Study of Open-Hole Composite Laminates Under Tension Read chapter Read first chapter

2023 | OriginalPaper | Chapter

Experimental Study on Low-Speed Wing Rock Characteristics of Low Aspect Ratio Flying Wing

Authors : Yanjie Shen, Chen Bu, Yanling Wang, Shuai Feng, Hao Chen

Published in: Proceedings of the 10th Chinese Society of Aeronautics and Astronautics Youth Forum

Publisher: Springer Nature Singapore

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Abstract

Because of its high stealth and high aerodynamic efficiency, the low-aspect-ratio flying wing layout has become an advanced fighter development platform. The particularity of the layout reduces the lateral stability, which makes it face the instability of wing rock, and affects the maneuverability and flying quality of the aircraft. Therefore, it is necessary to study the wing rock characteristics of the low-aspect-ratio flying wing layout. Through various wind tunnel tests, the wing rock characteristics of the standard wing of the flying wing with low aspect ratio are comprehensively analyzed. The results show that there are sudden stall problems such as wing rock and wing drop in the low aspect ratio flying wing configuration, which are mainly due to the stable equilibrium point of zero-crossing of the rolling moment coefficient near the wing rock equilibrium position, and the zero-crossing of the rolling damping derivative. At the equilibrium point, the slope of the rolling moment coefficient is negative and stable.

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Metadata
Title
Experimental Study on Low-Speed Wing Rock Characteristics of Low Aspect Ratio Flying Wing
Authors
Yanjie Shen
Chen Bu
Yanling Wang
Shuai Feng
Hao Chen
Copyright Year
2023
Publisher
Springer Nature Singapore
Book
Proceedings of the 10th Chinese Society of Aeronautics and Astronautics Youth Forum

Print ISBN: 978-981-19-7651-3

Electronic ISBN: 978-981-19-7652-0

Copyright Year: 2023

DOI
https://doi.org/10.1007/978-981-19-7652-0_11

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