Table 4.

Summary of optimizations performed in different sections.

Device	Section	Core diameter	Core length	Vane height	Vane thickness	Number of vanes	Swirl angle	Objective function	Optimized value
Axial swirler	3.2.1	5 cm	10 cm	1.75 cm	0.2 cm	8	10–60°	Swirl angle	40°
	3.2.2	5 cm	10 cm	1.75 cm	0.2 cm	4–16	40	Number of vanes	12
	3.2.3	5 cm	10 cm	0.584–1.75 cm	0.2 cm	12	40	Vane height	1.75 cm
	3.2.4	5 cm	10 cm	1.75 cm	0.1–0.4 cm	12	40	Vane thickness	0.1 cm

Drainage port	Section	Clearance length	Clearance depth	Objective function	Optimized value
	3.2.5	4 mm	0 – 4 mm	Clearance depth	2 mm
	3.2.5	2 – 6 mm	2 mm	Clearance length	2 mm

Item	Section	PRR	Slip gas velocity	Droplet diameter	Inlet temperature	Objective function	Optimized value
Operating parameter	3.4.1	0.7–0.8	6 m/s	2 µm	278.15 K	PRR	0.766
	3.4.2	0.766	1–6 m/s	2 µm	278.15 K	Slip gas velocity	6 m/s
	3.4.3	0.766	6 m/s	0.1–2 µm	278.15 K	Droplet diameter	2 µm
	3.4.4	0.766	6 m/s	0.1–2 µm	278.15 – 293.15 K	Inlet temperature	283.15 K