y Velocity parameter, (tt) 



y=e 



6 Thickness of boundary layer 



6* Displacement thickness of boundary layer, J n-yy)dy 



f Buri skin-friction parameter 



t] Gruschwitz velocity profile shape parameter, 1 - y 2 



9 Momentum thickness of boundary layer, J -jy- h — jy-^ dy 



v Kinematic viscosity of fluid 



p Density of fluid 



t Shearing stress 



t w Shearing stress at wall 



ip Parameter for integral of shearing-stress 



distribution, f -^l d Pi) 



