Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32288
Title: Near-field wing-tip vortices and exponential vortex solution
Authors: Zhang, HJ
Zhou, Y
Whitelaw, JH
Issue Date: 2006
Publisher: Amer Inst Aeronaut Astronaut
Source: Journal of aircraft, 2006, v. 43, no. 2, p. 445-449 How to cite?
Journal: Journal of Aircraft 
Abstract: Vortices shed from the tip of a rectangular half-span wing model (NACA 0012) have been investigated with particle image velocimetry at a chord Reynolds number between 3.4 × 10 4 and 26.6 × 10 4 and angles of attack α = 8 and 16 deg over 0.2 - 5 chord lengths downstream of the model. It has been found that the measured wing-tip vortex shows little dependence in the circumferential velocity v θ and vorticity Ω, when normalized by their local maximum, on α, Reynolds number, and downstream distance from the wing. Furthermore, the radial distributions of v θ and Ω coincide quite well with the exponential vortex solution, with only a slight departure outside the core region.
URI: http://hdl.handle.net/10397/32288
ISSN: 0021-8669
DOI: 10.2514/1.15938
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