Combustion Phenomena of High Temperature Air Combustion - High Temperature Air Combustion: From Energy Conservation to Pollution Reduction - page 76

0.020

(a)
R025 : CH 4 + H
R026 : CH 4 + OH
R027 : CH 4 + O

Total

0.015

R025

0.010

R026

0.005

R027

0.000

1 2 3 4

Distance, mm

0.020

(b)

0.015

0.010

R025

Total

R026

0.005

0.000

R027

1 2 3 4

Distance, mm

FIGURE 2.49 Rates of the CH 4 consumption in the two flames with α = 0.15(a) and 0.06(b),
and T a = 2200 K.

6

1.00

0.75

4

0.50

2

0.25

0 0.00

0.00 0.05 0.10 0.15 0.20

Oxygen ratio

FIGURE 2.50 Fuel flux and reaction zone thickness of flames with T a = 2200 K.