Experimental and Numerical Studies on the Vertical Flow of Variable Density Fluid in Different Directions

Table 3

Parameter optimization and error analysis of reverse gravity direction.

Water injection rate	Dispersion coefficient (m^2/s)	Effective porosity (-)	Standard deviation (g/L)
2 mL/min		0.43	0.71
5 mL/min		0.46	0.52
8 mL/min		0.47	0.95
10 mL/min		0.48	1.18
20 mL/min		0.44	0.53
40 mL/min		0.47	0.28