The Impact of Variable Inlet Mixture Stratification on Flame Topology and Emissions Performance of a Premixer/Swirl Burner Configuration

Table 2

C₃H₈ /NO_𝑥 global mechanism.

Rxn. no.	Reaction	𝐴	𝐸𝑎	𝑛
1	C3H8^0.6 + O2 + H2O + 2H → 3CO + 6H2	5e + 15	4.06e + 07	0
2f	CO^0.8 + H2O^1.25→ CO2 + H2	33000	−3100000	1.65
2b	CO2^0.8 + H2^1.15 → CO + H2O	4100000	−8971000	1.14
3f	3H2^1.15 + O2^0.65 → 2H2O + 2H	1.08e + 12	8e + 07	−0.7
3b	2H2O^1.25 + 2H^0.75→ 3H2 + O2	1.5e + 10	1.0476e + 08	−0.1
4	2H + M4→ H2	3.8e + 09	0	−1.2
5	C3H8 + H2O + 2H → C2H2 + CO + 5H2	1.6e + 12	1.26e + 07	0
6	C2H2 + O2→ 2CO + H2	1e + 11	6e + 07	0
7	N2 + 2O^0.9→ 2NO	6e + 010	3.14e + 08	0.3
8	NO^0.72 + O → 0.5N2 + O2	8e + 06	1.65e + 08	1
9	2O + M9↔ O2	4e + 12	0	−1.25
10f	O2^0.47 + 0H2→ 2O + 0H2O	4.5e + 12	7.15e + 07	−0.7
10b	2O + 0H2O → O2+ 0H2	1.9e + 09	−748260	−0.32
11f	0C3H8^0.02 + N2^1.16 + O2^0.5 + 0H2O^0.5→ 2NO	4e + 09	2.3e + 08	0.2
11b	0C3H8^0.05 + 2NO^1.1→ N2 + O2	2.16e + 08	6.7e + 07	0

Rate constants are in 𝐴𝑇^b exp(−𝐸_𝑎/RT) format. Units are Kg mol, m, s, K, and J.
M₄ = 2.4CO₂ + 1.2CO + 16H₂O + 2.5H₂.
M₉ = 3C₃H₈ + 0.35O₂ + 3.6CO₂ + 1.75CO + 15H₂O + 2.4H₂ + 0.001O.