Experimental Study of the Effect of the Expansion Segment Geometry on the Atomization of a Plain-Jet Airblast Atomizer

Table 1

Geometrical configurations adopted in the study.

Subscript	Type	Code number	Parameter
			/degree	/mm	/mm	/mm
	The length of the expansion segment	H1	18.5	4	-2.7	0
		H2	18.5	4	-2.7	5.5
		H3	18.5	4	-2.7	10.5
	The angle of the expansion segment	A1	15	4	-2.7	16.1
		A2	20	4	-2.7	16.1
		A3	25	4	-2.7	16.1
	The throat area of the expansion segment	D1	18.5	3.2	-2.7	16.1
		D2	18.5	3.6	-2.7	16.1
		D3	18.5	4.4	-2.7	16.1
	The position of liquid jet exit	h1	18.5	4	0	16.1
		h2	18.5	4	1.3	16.1
		h3	18.5	4	-1.3	16.1