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Perturbation of a turbulent boundary layer by spatially-impulsive dynamic roughness

McKeon, B. J. and Jacobi, I. and LeHew, J. (2009) Perturbation of a turbulent boundary layer by spatially-impulsive dynamic roughness. In: 39th AIAA Fluid Dynamics Conference, 22–25 June 2009, San Antonio, TX.

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First experimental measurements of manipulation of the structure of a canonical zero pressure gradient turbulent boundary layer using a low frequency (compared to the viscous frequency) mechanical dynamic roughness are presented. “Dynamic” (or time-dependent) surface roughness is proposed as a method for both control and diagnosis of turbulent boundary layers.

Item Type:Conference or Workshop Item (Paper)
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McKeon, B. J.0000-0003-4220-1583
Additional Information:© 2009 by B. J. McKeon, I. Jacobi & J. LeHew. The support of the Air Force Office of Scientific Research Boundary Layer Physics program under award #FA9550-08-1-0049 (program manager: John Schmisseur) is gratefully acknowledged.
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Air Force Office of Scientific Research (AFOSR)FA9550-08-1-0049
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AIAA Paper2009-3566
Record Number:CaltechAUTHORS:20150303-113157017
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55470
Deposited By: Jamie Sei
Deposited On:03 Mar 2015 22:36
Last Modified:10 Nov 2021 20:46

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