Tutorials Manual
Tutorials Manual
Tutorials Manual
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Chemkin 4.1.1<br />
Chapter 2: Combustion in Gas-phase Processes<br />
2.8.5.3 Soot Oxidation Reaction<br />
Once soot particles are created in the flame zone, they start interacting with the<br />
surrounding gas mixture and with one another. Therefore, if oxidizers such as O, OH,<br />
and O 2 are available in the gas mixture, the soot particles are also subjected to<br />
oxidation. Neoh et al. 27 found that the most effective soot oxidizer in the flame zone is<br />
OH and determined that the collision efficiency (or sticking coefficient) for the OH<br />
oxidation reaction is 0.13. For simplicity, the current mechanism only includes soot<br />
oxidation due to OH:<br />
(S14) OH+(S)+C(B)=>CO+H(S) 0.13 0.0 8000.0<br />
STICK<br />
27. K.G. Neoh, J.B. Howard, and A.F. Sarofim, in Particulate Carbon Formation During<br />
Combustion, D.C. Siegla and G.W. Smith (Eds.), Plenum Publishing Corp., pp. 261-<br />
282 (1981).<br />
© 2007 Reaction Design 90 RD0411-C20-000-001
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