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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