Kerosene at 20°C flows through the 200-mm-diameter smooth pipe. Determine its velocity 40 mm from the wall of the pipe. Also, what is the corresponding shear stress? The pressure drop throughout the...

Kerosene at 20°C flows through the 200-mm-diameter smooth pipe. Determine its velocity 40 mm from the wall of the pipe. Also, what is the corresponding shear stress? The pressure drop throughout the pipe length is 20 kPa/m. Use Eq. 9–33 if the flow is turbulent.