Module 5: Premixed Flame
  Lecture 25: Effect of Oxygen Concentration on SL
 


Flame Quenching

 
Fuel

Oxidizer

SL (cm/s)
dq (mm)

CH4

Air

40

2.5

CH4

O2

0.3

C3H8

Air

45

2.0

C3H8

O2

0.25

C2H2

Air

140

0.8

C2H2

O2

0.2

CO

Air

2.8

H2

Air

210

0.5

H2

O2

0.2

       

Quenching diameter for various stoichiometric fuel-oxidizer ratio.