Fig. 1. Spatial distribution of velocities inside a capillary tube with a diameter of 2.3 mm. The mean velocities were (a) 0.6, (b) 6, and (c) 14 mm s-1.
Fig. 1. Spatial distribution of velocities inside a capillary tube with a diameter of 2.3 mm. The mean velocities were (a) 0.6, (b) 6, and (c) 14 mm s-1.