FIG. 7.

(a) Concentration profile inside the sharp-edge-based micromixer with sharp-edges placed directly opposite to each other for a background flow inlet velocity of $v_{\text{in}}=1112\hspace{0.17em}\mu \mathrm{m}/\mathrm{s}$ and $d_0=1\hspace{0.17em}\mu \mathrm{m}$. (b) Plot of normalized concentration along the width of the channel at position 1 at $y=3000\hspace{0.17em}\mu \mathrm{m}$, position 2 at $y=3300\hspace{0.17em}\mu \mathrm{m}$, and position 3 at $y=4200\hspace{0.17em}\mu \mathrm{m}$ along with the corresponding concentration profile at $y=4200\hspace{0.17em}\mu \mathrm{m}$ for the “normal design” (shown in Fig. 1(b)), indicating that the performance of “normal design” sharp-edge-based micromixer is significantly better than the sharp-edge-based micromixer with the sharp-edges placed opposite to each other.