(Solved): An incompressible Newtonian fully developed horizontal axisymmetric laminar fluid flows steadily i ...

An incompressible Newtonian fully developed horizontal axisymmetric laminar fluid flows steadily in pipe with radius “R” and diameter “d”. Prove that the drag coefficient, Cp = 16/Re, and Darcy-Weisbach friction factor f = 64/Re where Re is the Reynolds number Re = = pvd/u