NDLI: Aerodynamics of vortex generators

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Aerodynamics of vortex generators

Content Provider	NASA Technical Reports Server (NTRS)
Author	Russell, David A. Breidenthal Jr., Robert E.
Copyright Year	1988
Description	An experimental and theoretical study was undertaken of the separation delay and dramatic boundary-layer thinning that can occur in vortex-generator installations. Wind tunnel measurements of the dynamic-pressure profile downstream of a vortex generator were found to compare under certain conditions with that downstream of a suction slit, while water-tunnel visualization studies of vortex-generator height and geometry suggested optimum configurations, and only a minor effect of base porosity. A series of progressively more complex inviscid flow models was developed to be applied to a 3-D integral boundary-layer code. This code predicted layer thinning downstream of the suction site of the vortex models, and other observed features. Thin-layer Navier-Stokes equations are now being used with the ultimate goal of clarifying the physical processes involved in vortex generator performance and developing calculational procedures capable of predicting it.
File Size	414992
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890005715
Archival Resource Key	ark:/13960/t7wm65t22
Language	English
Publisher Date	1988-01-01
Access Restriction	Open
Subject Keyword	Aerodynamics Wind Tunnel Tests Flow Visualization Vortex Generators Inviscid Flow Models Porosity Three Dimensional Boundary Layer Water Tunnel Tests Boundary Layers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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