IMECH-IR  > 非线性力学国家重点实验室
The Lift Problem in Flapping Forward Flight at Low Reynolds Numbers
Liu TS; Wang SZ(王士召); Zhang X(张星); He GW(何国威)
2015
Conference Name53rd AIAA Aerospace Sciences Meeting
Conference DateJan 1-5,2015
Conference PlaceKissimmee, Florida, USA
Abstract

This paper discusses the relationship between lift generation and flow structures in flapping forward flight at low Reynolds numbers. The simple lift formula for a wing/body in a sufficiently large rectangular control surface is given in the framework of the general viscous flow theory, which contains the two dominant terms: the vortex lift and the lift associated with the fluid acceleration. This lift decomposition allows quantitative estimation of the contributions of identified flow structures to lift generation. The Kutta-Joukowski theorem and the classical unsteady airfoil theory are the naturally reduced cases from the simple lift formula. The validation and applications of the simple lift decomposition are presented for the flows over the flapping flat-plate airfoil, flapping rectangular morphing wing and flapping bat wing.

DepartmentLNM湍流
ISBN9781624103438
URL查看原文
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58355
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
Liu TS,Wang SZ,Zhang X,et al. The Lift Problem in Flapping Forward Flight at Low Reynolds Numbers[C],2015.
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