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Differences between Iso-Octane and Methane during Wall Quenching with Respect to HC Emissions
Technical Paper
2000-01-2807
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Quenching of premixed flames at cold walls is investigated to study the importance of the model fuel choice for combustion modeling. Detailed chemical mechanisms for two different fuels, namely the low-molecular-weight fuel methane, and the more complex fuel iso-octane are employed. For both fuels the response of the flame to the very rapid heat loss at the cold wall is studied. The most important and significant difference between methane and iso-octane for this problem is the postquench oxidation of unburned hydrocarbons. Methane shows fast oxidation of unburned fuel and intermediate hydrocarbons whereas postquench oxidation for iso-octane is slow especially for the intermediate hydrocarbons. Furthermore, the Soret effect which is usually considered to be of minor importance appears to be important in modeling the rate limiting diffusion process. This is caused by different directions of the thermal diffusive transport for certain species.
A short mechanism for iso-octane applied previously for flame propagation studies is found to be inadequate to describe the hydrocarbon evolution after quenching. It is shown that by adding a small number of species and reactions to the reduced mechanism, results are improved leading to better agreement between the detailed and the short mechanism in its extended version.
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Hasse, C. and Peters, N., "Differences between Iso-Octane and Methane during Wall Quenching with Respect to HC Emissions," SAE Technical Paper 2000-01-2807, 2000, https://doi.org/10.4271/2000-01-2807.Also In
References
- Daniel W.A. Paper No. SAE 700108
- Daniel W.A. Sixth Symposium (International) on Combustion The Combustion Institute Pittsburgh 1956 886 894
- Hocks W. Peters N. Adomeit G. Combust. Flame 41 157 170 1981
- Westbrook C.K. Adamczyk A.A. Lavoie G.A. Combust. Flame 40 81 99 1981
- Carrier G.F. Fendell F.E. Bush W.B. Combust. Sci. Technol. 20 195 207 1979
- Carrier G.F. Fendell F.E. Bush W.B. Feldman P. Paper No. SAE 790245
- Bush W.B. Fendell F.E. Fink S.F. Combust. Sci. Technol. 24 53 70 1980
- Ferguson G.R. Keck J.C. Combust. Flame 24 85 98 1979
- Ferguson G.R. Keck J.C. Combust. Flame 28 197 205 1977
- Lavoie G.A. Paper No. SAE 780229
- LoRusso J.A. Kaiser E.W. Lavoie G.A. Fall Technical Meeting Eastern States Section: The Combustion Institute 1979
- Adamczyk A.A. Kaiser E.W. Cavolowsky J.A. Lavoie G.A. Eighteenth Symposium (International) on Combustion The Combustion Institute Pittsburgh 1981 1695 1702
- Kiehne T.M. Matthews R.D. Wilson D.E. Twenty-first Symposium (International) on Combustion The Combustion Institute Pittsburgh 1986 481 489
- Wu K. Hochgreb S. Combust. Sci. and Tech. 130 365 398 1997
- Wu K. Hochgreb S. Paper No. SAE 970886
- Ern A. Giovangigli V. Combust. Theory Modelling 2 349 372 1998
- Ern A. Giovangigli V. J. Comput. Phys. 120 105 116 1995
- Popp P. Baum M. Combust. Flame 108 327 348 1997
- Ern A. Giovangigli V. Multicomponent Transport Algorithms Springer-Verlag 1994
- Mack A. Weber H.J. Roth P. International Journal for Numerical Methods in Fluids 13 869 882 1991
- Li S. Petzold L. Design of new daspk for sensitivity analysis http://www.engineering.ucsb.edu/∼cse/publica.html 1999
- Ezekoye O. Greif R. Sawyer R.F. Twenty-Fourth Symposium (International) on Combustion The Combustion Institute Pittsburgh 1992 1465 1472
- Huang W.M. Vosen S.R. Greif R. Twenty-Third Symposium (International) on Combustion The Combustion Institute Pittsburgh 1986 1853 1860
- Yang J. Martin J. Paper No. SAE 900690
- Popp P. Smooke M. Twenty-Sixth Symposium (International) on Combustion The Combustion Institute Pittsburgh 1996 2693 2700
- Peters N. http://www.itm.rwth-aachen.de RWTH-Aachen, Institut für Technische Mechanik D-52056 Aachen, Germany
- Bradley D. Hicks R.A. Lawes M. Sheppard C.G.W. Wooley R. Combust. Flame 115 126 144 1998
- Pitsch H. Peters N. Seshadri K. Twenty-Sixth Symposium (International) on Combustion The Combustion Institute Pittsburgh 1996 763 771
- Smith G.P. Golden D.M. Frenklach M. Moriarty N.W. Eitenee B. Goldenberg M. Bowman C.T. Hanson R.K. Song S., Jr. Lissianski V.V. Qin Z. Gri-mech 3.0 http://www.me.berkeley.edu/gri_mech 1999
- Warnatz J. Maas U. Combust. Flame 74 53 69 1988
- Hasse C. Bollig M. Peters N. Dwyer H.A. Combust. Flame