Research Article
Research of Flow Field of Alkaline/Surfactant/Polymer Solution in the Annular Depressurization Slot by PIV Experiment
Figure 7
Velocity nephograms of the polymer solution that flowed through the partially pressured injection tool with different number of slots.
(a) 5 pressure reduction trough |
(b) 10 pressure reduction trough |
(c) 18 pressure reduction trough |