Streak control within a turbulent boundary layer using streamwise arrays of plasma actuators

Master thesis (2012)

Authors

M. Hennevelt Aerospace Engineering

Contributors

F. Scarano Flow Physics and Technology (mentor)
G.E. Elsinga Fluid Mechanics - Mechanical, Maritime and Materials Engineering (mentor)
M. Kotsonis Aerodynamics - Aerospace Engineering (mentor)
S. Ghaemi Aerodynamics - Aerospace Engineering (mentor)
Faculty
Aerospace Engineering, Aerospace Engineering
Copyright: © 2012 Marcel Hennevelt
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Published Date

02-07-2012

Language

English

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Faculty

Aerospace Engineering

Abstract

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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