Effects of Fuel Flow and Airflow Swirl on Thermal Performance of a Miniature-Scale Combustor for Direct Energy Conversion Systems

Table 2

Specifications of studied swirlers.

		Inner annulus		Outer annulus
Swirler no.	Name	Vane angle (°)	(-)	Vane angle (°)	(-)
1	F0O0	0	0	0	0
2	F30O0	30	0.49	0	0
3	F45O0	45	0.84	0	0
4	F0O30	0	0	30	0.48
5	F0O45	0	0	45	0.83
No. of vanes		6		8
Vane thickness (mm)		0.45		0.80
Hub diameter (mm)		2.4		4.5
Tip diameter (mm)		3.6		7