Table 1 The values of hydrodynamic parameters at two different rates

Reynolds number, Re

867.69

1763.93

Power number, N_p

0.78

0.69

Energy dissipated per unit mass, ε (m²s^-3)

1.62×10^-4

1.32×10^-3

Maximum shear stress, τ_max (pa)

0.068

0.193

Integrated shear factor, ISF (s^-1)

5.46

10.49

Size of smallest eddy, L (µm)

280

166

Volumetric oxygen mass transfer coefficient, K_la (h^-1)

0.89

3.63