Table 3.

Optimum numbers of grid nodes selected through grid refinement tests at Re = 40.

Micromixer	Optimum Number of Meshes	Number of Finer Meshes	% Deviation of Mixing Index between the Optimum and Finest Meshes	Micromixer	Optimum Number of Meshes	Number of Finer Meshes	% Deviation of Mixing Index between the Optimum and Finest Meshes
M-1	1.81 × 106	2.04 × 106	1.39	M-6	2.07 × 106	2.34 × 106	0.10
M-2	2.07 × 106	2.41 × 106	1.16	M-7	2.19 × 106	2.55 × 106	0.54
M-3	1.55 × 106	2.08 × 106	0.94	M-8	2.21 × 106	2.53 × 106	1.05
M-4	2.16 × 106	2.33 × 106	0.20	M-9	1.90 × 106	2.03 × 106	0.10
M-5	1.79 × 106	1.96 × 106	0.10	M-10	1.61 × 106	1.80 × 106	0.11