Atmospheric thermodynamics 1 Boundary layer flow 1 Boundary layers Channel flow 1 Free-stream 1 Friction 1 Integral equations 1 Momentum 1 Momentum equation 1 Pipe flow 1 Reynolds number 1 Reynolds stress 1 Shear flow 1 Shear layer 1 Shear layer turbulence 1 Shear stress 1 Skin friction 1 Skin friction coefficient 1 Turbulence 1 Turbulent boundary layers 1 Turbulent flow 1 Upper Bound 1 Wall flow 1 Wall shear stress 1 Wall-shear stress 1 channel flow 1 shear layer turbulence 1 turbulent boundary layer 1