Table 4.

Optimum combination of design factors.

Parameter	Mixing Index	Pressure Drop	Figure of Merit
Frequency	10	2	2
Amplitude	2	0.5	0.5
Width	0.25	1	1
Height	0.25	1	1
Optimized design	0.8	21.75	3.77 × 10−3
CI (%)	94.6%	93.8	95.8