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Physics and control of wall turbulence for drag reduction

✍ Scribed by Kim, J.

Book ID
111981005
Publisher
The Royal Society
Year
2011
Tongue
English
Weight
654 KB
Volume
369
Category
Article
ISSN
0264-3952

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Physics and control of wall turbulence f
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✍ Kim, J. πŸ“‚ Article πŸ“… 2011 πŸ› The Royal Society 🌐 English βš– 654 KB

Turbulence physics responsible for high skin-friction drag in turbulent boundary layers is first reviewed. A self-sustaining process of near-wall turbulence structures is then discussed from the perspective of controlling this process for the purpose of skin-friction drag reduction. After recognizin

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An extensive study of the near-wall structure of turbulent boundary layer over a spanwise oscillating wall was conducted using hot-wire measurements in a wind tunnel in order to better understand the mechanisms involved in turbulent drag reduction under these conditions. The results showed that the