MH
M. Hennevelt
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1 records found
1
Master thesis
(2012)
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Marcel Hennevelt, Fulvio Scarano, Gerrit Elsinga, Marios Kotsonis, Sina Ghaemi
The coherent structures within the turbulent boundary layers have been investigated extensively over the past five decades. In particular, the long alternating low- and high speed streaks in the near-wall region. Along these streaks ejection and sweep events occur which play a major role in the production of Reynolds shear stress. Hence, studies on turbulent boundary layer control were focused on manipulating the low-speed streaks, to either reduce wall skin-friction by attenuating the streaks or by intensifying the streaks for separation control.
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The coherent structures within the turbulent boundary layers have been investigated extensively over the past five decades. In particular, the long alternating low- and high speed streaks in the near-wall region. Along these streaks ejection and sweep events occur which play a major role in the production of Reynolds shear stress. Hence, studies on turbulent boundary layer control were focused on manipulating the low-speed streaks, to either reduce wall skin-friction by attenuating the streaks or by intensifying the streaks for separation control.