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Dynamic ground effectsA research program is underway at the NASA Langley Research Center to study the effect of rate of descent on ground effects. A series of powered models were tested in the Vortex Research Facility under conditions with rate of descent and in the 14 x 22 Foot Subsonic Tunnel under identical conditions but without rate of descent. These results indicate that the rate of descent can have a significant impact on ground effects particularly if vectored or reversed thrust is used.
Document ID
19900019215
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Paulson, John W., Jr. (NASA Langley Research Center Hampton, VA, United States)
Kemmerly, Guy T. (NASA Langley Research Center Hampton, VA, United States)
Gilbert, William P. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
April 1, 1990
Publication Information
Publication: AGARD, Aerodynamics of Combat Aircraft Controls and of Ground Effects
Subject Category
Aircraft Design, Testing And Performance
Accession Number
90N28531
Distribution Limits
Public
Copyright
Other
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