Table 3 Suction flow rates (SFR) and pressures (SP) comparison of the ejector at a motive flow rate of 1.0 GPM at different drag reducing polymers concentrations (0, 50 and 100 ppm) and different suction valve capacities (SVC).
From: Optimizing jet pump efficiency via drag reducing polymers and enhanced efficiency definitions
Motive flow rate (GPM) | SVC (%) | SFR (GPM) | SP (kg/cm2) | ||||
|---|---|---|---|---|---|---|---|
0 (PPM) | 50 (PPM) | 100 (PPM) | 0 (PPM) | 50 (PPM) | 100 (PPM) | ||
1 | 100 | 2.2 | 2.81 | 3.01 | − 0.02 | − 0.08 | − 0.08 |
1 | 90 | 2.2 | 2.6 | 2.93 | − 0.02 | − 0.09 | − 0.09 |
1 | 80 | 2.1 | 2.4 | 2.86 | − 0.03 | − 0.1 | − 0.1 |
1 | 70 | 2 | 2.2 | 2.71 | − 0.03 | − 0.1 | − 0.1 |
1 | 60 | 1.8 | 1.91 | 2.4 | − 0.05 | − 0.12 | − 0.12 |
1 | 50 | 1.4 | 1.5 | 1.8 | − 0.11 | − 0.19 | − 0.19 |
1 | 40 | 0.8 | 1 | 1.1 | − 0.18 | − 0.25 | − 0.25 |
1 | 30 | 0 | 0 | 0.3 | − 0.22 | − 0.29 | − 0.29 |
1 | 20 | 0 | 0 | 0 | − 0.29 | − 0.32 | − 0.32 |
1 | 10 | 0 | 0 | 0 | − 0.3 | − 0.32 | − 0.32 |