Table 6.

Orthogonal test table results of orthogonal experiment.

Exp	A	B	C	ISFC	CO	NOx	SOOT
1	290	−8	10	229.06	132.4	3.19	0.028
2	290	−7	11	242.46	171.8	2.40	0.136
3	290	−6	12	263.67	228.7	1.91	0.353
4	295	−8	11	240.26	170.2	3.19	0.136
5	295	−7	12	253.58	207.5	2.51	0.417
6	295	−6	10	238.10	148.3	2.53	0.093
7	300	−8	12	246.28	187.5	3.08	0.330
8	300	−7	10	238.53	158.3	3.15	0.110
9	300	−6	11	251.90	193.8	2.73	0.319