Open Access
Table 3
Results of fitting the trajectory line of bubble and vortex centre motion.
| Track line | Fitting the curve | Fitting R2 |
|---|---|---|
| Upper bubble | y1 = 0.094x − 0.0038 | 0.930 |
| Upper vortex | y2 = 0.097x − 0.0029 | 0.933 |
| Lower bubble | y3 = 2.1904x2 − 0.3351x + 0.01 | 0.963 |
| Lower vortex | y4 = 1.6232x2 − 0.2325x + 0.0051 | 0.978 |
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