NDLI: Numerical prediction of vortical flow over slender delta wings

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Numerical prediction of vortical flow over slender delta wings

Content Provider	NASA Technical Reports Server (NTRS)
Author	Ekaterinaris, J. A. Schiff, Lewis B.
Organization	The National Aeronautics and Space Administration (NASA)
Copyright Year	1993
Abstract	Three-dimensional Navier-Stokes numerical simulations are necessary to correctly predict the complex leeward-side flow characteristics over delta wings, including leading-edge separation, secondary separation, and vortex breakdown. This article presents Navier-Stokes solutions of subsonic vortical flow over a 75-deg sweep delta wing with a sharp leading edge. The sensitivity of the solution to the numerical scheme is examined using both a partially upwind scheme and a central-differencing scheme. The effect of numerical grid density is also investigated. An embedded grid approach is implemented to enable higher resolution in selected isolated flow regions, such as the leeward-side surface flow region, and the leading-edge vortical flow region.
File Size	964166
File Format	PDF
Alternate Webpage(s)	http://www.archive.org/details/nasa_techdoc_19970020043
Archival Resource Key	ark:/13960/t3tt5h09s
Language	English
Publisher Date	1993-12-01
Publisher Institution	Ames Research Center
Access Restriction	Open
Subject Keyword	Electrostatic Probes Calibrating Rocket-borne Instruments Measuring Instruments Thermosphere Magnetospheres Spectrometers Geophysics Data Reduction Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text

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