Table 4 Suction flow rates (SFR) and pressures (SP) comparison of the ejector at a motive flow rate of 1.45 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) | ||
1.45 | 100 | 2.9 | 3.8 | 3.83 | − 0.1 | − 0.11 | − 0.11 |
1.45 | 90 | 2.85 | 3.75 | 3.78 | − 0.1 | − 0.12 | − 0.12 |
1.45 | 80 | 2.79 | 3.6 | 3.64 | − 0.11 | − 0.13 | − 0.13 |
1.45 | 70 | 2.6 | 3.2 | 3.49 | − 0.14 | − 0.18 | − 0.18 |
1.45 | 60 | 2.3 | 2.5 | 3.1 | − 0.19 | − 0.21 | − 0.21 |
1.45 | 50 | 1.79 | 1.9 | 2.6 | − 0.26 | − 0.3 | − 0.3 |
1.45 | 40 | 1.1 | 1.1 | 1.7 | − 0.34 | − 0.45 | − 0.45 |
1.45 | 30 | 0.25 | 0 | 0.7 | − 0.45 | − 0.525 | − 0.53 |
1.45 | 20 | 0 | 0 | 0 | − 0.5 | − 0.58 | − 0.58 |
1.45 | 10 | 0 | 0 | 0 | − 0.5 | − 0.6 | − 0.6 |
