Figure 2.Schematic
diagrams of the experimental setup. (a) TR-PIV setup; (b) Sampling
plane; (c) Top view. (1) Stirred tank; (2) Jacket; (3) Torque meter; (4)
Motor; (5) Speed controller; (6) Torque recorder; (7) Thermostat water
system; (8) CMOS camera; (9) Continuous laser; (10) Post-processing
system.
In the experiments, the temperature of the water was controlled at
25±0.5°C. The agitator speed was controlled at 90 rpm, corresponding to
the Reynolds number of Re =ND 2ρ /µ = 14928, which was in a
typical turbulent regime.