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	The origin of lift revisited: II. Physical processes of airfoil-circulation formation in starting flow
	Zhu, J.Y. ; Zou, S.F. ; Liu, L.Q. ; Wu, J.Z. ; Liu, T.S.
	2015
英文摘要	This paper is the second part of our investigation on the origin of lift in viscous incom-pressible flow, which supports and exemplifles the general physical theory developed in Part I of this conference, by a Navier-Stokes simulation on a starting flow over a NACA-0012 airfoil at angle of attack α = 6 ° and final Reynolds number Re = 105. We employ both Eulerian and Lagrangian descriptions to clarify the detailed physical process by which the airfoil gains its circulation. In particular, we dig into the on-wall dynamic causal mecha-nisms to reveal the very physical root of lift. Besides, how the Kutta condition imposed to inviscid flow is realized in this viscous transient process is also examined. ? 2015, American Institute of Aeronautics and Astronautics, Inc.; EI; 1-10
会议录	45th AIAA Fluid Dynamics Conference, 2015
语种	中文
内容类型	会议论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/436867]
专题	工学院
推荐引用方式 GB/T 7714	Zhu, J.Y.,Zou, S.F.,Liu, L.Q.,et al. The origin of lift revisited: II. Physical processes of airfoil-circulation formation in starting flow[C]. 见:.

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