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Investigations of a circulation control airfoil flowfield using an advanced laser velocimeterThe flowfield of a Circulation Control Airfoil was examined in detail through the use of a specially designed wind tunnel model and test program. Surface pressures on the model were obtained and the velocity field was surveyed in the trailing edge region of the model airfoil using the nonintrusive Laser Velocimetry technique. In this region mean flow and turbulence measurements indicate that, while the flowfield is similar to other wall-bounded jet flows, the external freestream plays an important role in the overall mixing and structure of the wall bounded flow. Finally, the turbulence measurements were used to compute eddy viscosities for the purpose of aiding computational fluid dynamics model development.
Document ID
19880008205
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Novak, Charles J. (Lockheed-Georgia Co. Marietta, GA, United States)
Cornelius, Kenneth C. (Lockheed-Georgia Co. Marietta, GA, United States)
Date Acquired
September 5, 2013
Publication Date
May 1, 1987
Publication Information
Publication: NASA. Ames Research Center Proceedings of the Circulation-Control Workshop, 1986
Subject Category
Aerodynamics
Accession Number
88N17589
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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