ABSTRACT
Since a is normally a constant coefficient which varies with the rough ness and viscosity, Eq. (5.40) incorporates all the essential ingredients o f roughness and Reynolds number on which A is known to be depen dent.
Since a is normally a constant coefficient which varies with the rough ness and viscosity, Eq. (5.40) incorporates all the essential ingredients o f roughness and Reynolds number on which A is known to be depen dent.