Compute points on the velocity profile from the tube wall to the centerline of a plastic pipe, 125mm OD 7.40mm wall, if the volume flow rate of gasoline (sg = 0.68) at 25C is 3.0 L/min. Use increments of 4.00mm and include the velocity at the centerline.

Velocity Profile Radius r (mm) Velocity U (m/s) 0 0.010484481 Given Data 4 0.010429227 Q = 3 L/min 8 0.010263465 OD = 125 mm 12 0.009987195 t = 7.4 mm V = 4.22E-07 m /s Processed Data Q= 0.00005 m /s ID = 0.1102 m 55.1 mm A = 0.009538 m . .. v = 0.005242 m/s No = 1368.945 Laminar