Research Article

Research of Flow Field of Alkaline/Surfactant/Polymer Solution in the Annular Depressurization Slot by PIV Experiment

Figure 4

Schematic diagram of the experiment setup. 1 liquid storage tank, 2 screw pump, 3 valve, 4 pressure gauge, 5 injection tool model, 6 laser emitter, 7 camera, 8 data processing system, 9 flow meter, and 10 return liquid tank.