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Articles

Soot Modeling of Ethylene Counterflow Diffusion Flames

, , ORCID Icon & ORCID Icon
Pages 1473-1483 | Received 10 Sep 2018, Accepted 22 Oct 2018, Published online: 31 Oct 2018

Figures & data

Figure 1. Calculated temperature profiles of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting radiative heat losses. Solid lines: model including radiative heat losses.

Figure 1. Calculated temperature profiles of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting radiative heat losses. Solid lines: model including radiative heat losses.

Figure 2. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting radiative heat losses. Solid lines: model including radiative heat losses.

Figure 2. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting radiative heat losses. Solid lines: model including radiative heat losses.

Figure 3. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting soot oxidation. Solid lines: model including soot oxidation.

Figure 3. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting soot oxidation. Solid lines: model including soot oxidation.

Figure 4. Mass loss rate of particle oxidation by different oxidizers.

Figure 4. Mass loss rate of particle oxidation by different oxidizers.

Figure 5. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting thermophoretic effect. Solid lines: model including thermophoretic effect.

Figure 5. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model neglecting thermophoretic effect. Solid lines: model including thermophoretic effect.

Figure 6. Diffusion coefficient of lumped pseudo species respect to molecular weight.

Figure 6. Diffusion coefficient of lumped pseudo species respect to molecular weight.

Figure 7. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model accounting particle diffusivity from gas kinetic theory. Solid lines: model accounting particle diffusivity from Stoke-Cunningham correlation.

Figure 7. Comparison of soot volume fraction profiles between experimental data (symbol) and model (lines) of SF flames (left panel) and SFO flames (right panel). Dashed lines: model accounting particle diffusivity from gas kinetic theory. Solid lines: model accounting particle diffusivity from Stoke-Cunningham correlation.