Leading-Edge Velocities and Lifted Methane Jet Flame Stability

Table 1

Velocity magnitudes and ratios at flame edges.

Figure no.	Velocity of downstream next to flame edge:𝑣1 (m/s)	Velocity of flame edge upstream: 𝑣2 (m/s)	Ratio of𝑣1/𝑣2
4(c)	1.34	0.63	2.13
5(c)	1.7	0.7	2.43
5(d)	1.375	0.64	2.15
6(c)	1.767	0.737	2.4
7(c)	1.66	0.64	2.59
7(d)	1.685	0.695	2.42
8(c)	1.16	0.45	2.58
9(c)	1.41	0.55	2.56
9(d)	1.34	0.53	2.53
Average	1.49	0.62	2.42