Dependence of turbulent wall-shear stress on the amplitude of spanwise transversal surface waves

@inproceedings{Koh2015DependenceOT,
  title={Dependence of turbulent wall-shear stress on the amplitude of spanwise transversal surface waves},
  author={Seong Ryong Koh and Pascal S. Meysonnat and Vladimir Statnikov and Matthias Meinke and Wolfgang Schroeder},
  year={2015}
}
Abstract Large-eddy simulations of turbulent boundary layer flow over a flat plate whose surface is actuated by spanwise traveling transversal waves are performed. Although it is known that moving surfaces can result in drag reduction compared to the non-actuated flow problem, it is an open question whether the drag reduction depends monotonically on the parameters defining the transversal wave of the surface, i.e., the amplitude A + , the wavelength λ + , and the period T + . It is the purpose… CONTINUE READING