Chemical Kinetic Study on Dual-Fuel Combustion: The Ignition Properties of n-Dodecane/Methane Mixture

Table 2

The important reactions of the methane ignition process.

	Reaction	Reduced mechanism
1	H + O2 ⟷ O + OH	✓ (⟷)
2	O + H2 ⟷ H + OH	✓ (⟷)
3	OH + H2 ⟷ H + H2O	✓ (⟷)
4f	H + OH (+M) ⟶ H2O (+M)	✓ (⟷)
5f	H + O2 (+M) ⟶ HO2 (+M)	✓ (⟷)
6f	HO2 + OH ⟶ H2O + O2	✓ (⟷)
7f	HO2 + HO2 ⟶ H2O2 + O2	✓ (⟷)
8f	H2O2 (+M) ⟶ OH + OH (+M)	✓ (⟷)
9f	H2O2 + OH ⟶ H2O + HO2	✓ (⟷)
10f	CO + OH ⟶ CO2 + H	✓ (⟷)
11f	HCO + O2 ⟶ CO + HO2	✓ (⟷)
12f	CH2O + O2 ⟶ HCO + HO2	✓ (⟷)
13f	CH2O + OH ⟶ HCO + H2O	✓ (⟷)
14f	CH2O + CH3 ⟶ HCO + CH4	✓ (⟷)
15f	CH2O + HO2 ⟶ HCO + H2O2	✓ (⟷)
16f	CH3O (+M) ⟶ CH2O + H (+M)	✓ (⟷)
17f	CH3O + O2 ⟶ CH2O + HO2	✓ (⟷)
18f	CH3 + H (+M) ⟶ CH4 (+M)	✓ (⟷)
19	CH4 + H ⟷ CH3 + H2	✓ (⟷)
20f	CH4 + OH ⟶ CH3 + H2O	✓ (⟷)
21f	CH4 + HO2 ⟶ CH3 + H2O2	✓ (⟷)
22f	CH3 + HO2 ⟶ CH3O + OH	✓ (⟷)
23	CH3 + HO2 ⟷ CH4 + O2	✓ (⟷)
24f	CH3 + O2 ⟶ CH2O + OH	✓ (⟷)
25	CH3 + O2 (+M) ⟷ CH3O2 (+M)	✓ (⟷)
26f	CH3O2 + CH2O ⟶ CH3O2H + HCO	✓ (⟷)
27f	CH3O2 + CH4 ⟶ CH3 + CH3O2H	✓ (⟷)
28f	CH3O2 + CH3 ⟶ CH3O + CH3O	✓ (⟷)
29f	CH3O2 + HO2 ⟶ CH3O2H + O2	✓ (⟷)
30f	CH3O2 + OH ⟶ CH3OH + O2	✓ (⟷)
31f	CH3O2H ⟶ CH3O + OH	✓ (⟷)
32f	CH3 + CH3 (+M) ⟶ C2H6 (+M)	✓ (⟷)
33f	C2H4 + OH ⟶ C2H3 + H2O	✓ (⟷)

(⟷) stands for the reversible reaction.