The Chemiluminescence and Structure Properties of Normal/Inverse Diffusion Flames

Table 1

Flame conditions^a used in different experiment numbers.

NDF						IDF
	𝜈CH4	𝑢CH4	𝜈O2	𝑢O2	[O/C]𝑒	𝜈CH4	𝑢CH4	𝜈O2	𝑢O2	[O/C]𝑒
	(L/min)	(m/s)	(L/min)	(m/s)		(L/min)	(m/s)	(L/min)	(m/s)
1			0.60	1.52	0.60			0.60	19.90	0.60
2			0.65	1.65	0.65			0.65	21.56	0.65
3			0.70	1.78	0.70			0.70	23.22	0.70
4			0.75	1.90	0.75			0.75	24.88	0.75
5			0.80	2.03	0.80			0.80	26.54	0.80
6			0.85	2.16	0.85			0.85	28.20	0.85
7	0.50	16.59	0.90	2.29	0.90	0.50	1.27	0.90	29.86	0.90
8			0.95	2.41	0.95
9			1.00	2.54	1.00
10			1.05	2.67	1.05
11			1.10	2.79	1.10
12			1.15	2.92	1.15
13			1.20	3.05	1.20

athe IDF is blown out when 𝑢_𝑂2 is up to 30 m/s.