Research Article
Experimental and Numerical Studies on the Vertical Flow of Variable Density Fluid in Different Directions
| Test group number | Direction of water injection | Test no. | Flux of water injection (mL/min) | Sampling interval (min) | Duration of tests (min) |
| Group 1 | The direction of gravity (from up to down) | 1 | 2 | 30 | 900 | 2 | 5 | 15 | 400 | 3 | 8 | 10 | 240 | 4 | 10 | 10 | 200 | 5 | 20 | 5 | 100 | 6 | 40 | 2 | 50 |
| Group 2 | The direction of reverse gravity (from down to up) | 7 | 2 | 30 | 900 | 8 | 5 | 15 | 400 | 9 | 8 | 10 | 240 | 10 | 10 | 10 | 200 | 11 | 20 | 5 | 100 | 12 | 40 | 2 | 50 |
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