Recent Developments In Turbulence Management

I. Riblets.- Experiments With A 1:4.2 Model Of A Commuter Aircraft With Riblets In A Large Wind Tunnel.- Heat Transfer Study Of Riblets.- Performances Of Internal Manipulators In Subsonic Three-dimensional Flows.- High Resolution Conformal Mesh Computations For V, U Or L Groove Riblets In Laminar And Turbulent Boundary Layers.- Coherent Structures Over A Smooth And A Triangular Riblet Drag Reducing Surface.- Some Further Experiments On Riblet Surfaces In A Towing Tank.- Ii. Lebus.- Analytical And Experimental Study Of Energy Density Spectra Of The Outer Region Of A Manipulated Turbulent Boundary Layer.- Review: Effect Of The Olds On Near Wall Coherent Structures; Discussion And Need For Future Work.- Iii.