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Pneumatic vortical flow control at high angles of attackThe injection of thin, high-momentum jets of air into the fuselage forebody boundary layers of the F-18 aircraft is explored numerically as a means of controlling the onset of fuselage vortices and of generating yaw control forces. The study was carried out for an angle of attack of 30 deg with symmetrical and asymmetrical blowing configurations. One-sided blowing results in a strongly asymmetrical flow pattern in the fore portion of the fuselage, leading to a net lateral force.
Document ID
19900035109
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Tavella, Domingo A.
(Stanford University CA, United States)
Schiff, Lewis B.
(Stanford Univ. CA, United States)
Cummings, Russell M.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Aerodynamics
Report/Patent Number
AIAA PAPER 90-0098
Accession Number
90A22164
Distribution Limits
Public
Copyright
Other

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