Emerging techniques in drag reduction

Reviews on emerging techniques: riblets - main known and unknown features, E. Coustols riblets and other methods of controlling near-wall turbulence, A. Pollard turbulent drag reduction strategies. Riblets and LEBUs: effects of riblets on the growth of laminar and turbulent boundary layers, P. Luchini near-wall flow structure in a low Reynolds number turbulent boundary layer over misaligned riblets, Y.P. Tang and D.G. Clark study of the influence of external manipulators on the near-wall turbulence structure using wall-pressure fluctuations, J.A. Astolfi and B.E. Forestier. Compliant walls and polymer additives: improved optimization of compliant walls for transition delay, A.D. Lucey, A.E. Dixon and P.W. Carpenter analysis of four types of viscoelastic coating for turbulent drag reduction, B.N. Semenov the measurement of dynamic properties of viscoelastic materials for turbulent drag reduction, V.M. Kulik and B.N. Semenov degradation effects of dilute polymer solutions on turbulent drag reduction in pipe flows, J.M.J. den Toonder, A.A. Draad, G.D.C. Kuiken and F.T.M. Nieuwstadt. New approaches: the feasibility of using passive porous walls for drag reduction, P.W. Carpenter variation of skin friction for a turbulent boundary layer interacting with the controlled longitudinal vortex arrays, H. Osaka and C. Fukushima reduction of parasitic effects related to the turbulent boundary layer on the fuselage using slot suction, E. Merigaud, G. Pailhas, F. Anselmet, J. Cousteix and L. Fulachier. Aircraft applications: HLFC for commercial aircraft - ELFIN 1 results on boundary layer suction, H. Bieler improvement of aerodynamic characteristics by means of turbulence management - a Fokker view, D.F. Volkers and J. van Hengst effect of lip configuration on the drag of a circular cavity, E. Savory, N. Toy and L. Gaudet.