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Figure 1. 

Schematic diagram of burner structure and flame calculation area.

Figure 2. 

Flame temperature distribution of methane/n-heptane flames at different OIs.

Figure 3. 

Flame temperature distribution of different OIs along the flames' center axis for n-heptane/methane fuel at 2 atm.

Figure 4. 

Distribution of the SVF in methane/n-heptane flames under different OIs.

Figure 5. 

Distribution of SVF on the central axis of methane/n-heptane flames under different OIs.

Figure 6. 

Mole distribution of H radicals in methane/n-heptane flames at different OIs.

Figure 7. 

Mole distribution of OH radicals in n-heptane/methane flames at different OIs.

Figure 8. 

Molar distribution of C₂H₂ in methane/n-heptane flames at different OIs.

Figure 9. 

Molar distribution of A1 in methane/n-heptane flames at different OIs.

Figure 10. 

Reaction pathways of methane and n-heptane at 2 atm under different OIs.