Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames

P. G. Arias; V. R. Lecoustre; S. Roy; W. Wang; Z. Luo; D. C. Haworth; H. G. Im; T. F. Lu; Kwan-Liu Ma; R. Sankaran; A. Trouvé

Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames

P. G. Arias, V. R. Lecoustre, S. Roy, W. Wang, Z. Luo, D. C. Haworth, H. G. Im, T. F. Lu, Kwan-Liu Ma, R. Sankaran, A. Trouvé

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Direct numerical simulations of a two-dimensional temporally-evolving ethylene-air non-premixed flame in a decaying turbulent flow are performed using a high-order compressible Navier-Stokes solver called S3D. Different models for fuel oxidation and soot formation/oxidation are presented and compared. The first model comprises a single step ethylene-air chemical mechanism with a semi-empirical soot model. Equidiffusion of species is assumed. The second model comprises a reduced mechanism derived from a detailed ethylene-air chemical kinetic mechanism that includes the reaction pathways for the formation of polycyclic aromatic hydrocarbons. The gas-phase chemistry is coupled with a semi-empirical soot model. The third model comprises the same reduced mechanism coupled with a detailed soot model based on the method of moments with interpolative closure. Differential diffusion of species is modeled. This paper presents a preliminary comparison of the models in the case of temporally evolving turbulent diffusion flames, with a particular focus on soot formation.

Original language	English (US)
Title of host publication	Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011
Publisher	Combustion Institute
Pages	542-555
Number of pages	14
ISBN (Electronic)	9781622761258
State	Published - Jan 1 2011
Event	Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011 - Storrs, United States Duration: Oct 9 2011 → Oct 12 2011

Other

Other	Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011
Country	United States
City	Storrs
Period	10/9/11 → 10/12/11

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Mechanical Engineering
Chemical Engineering(all)

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Arias, P. G., Lecoustre, V. R., Roy, S., Wang, W., Luo, Z., Haworth, D. C., Im, H. G., Lu, T. F., Ma, K-L., Sankaran, R., & Trouvé, A. (2011). Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames. In Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011 (pp. 542-555). Combustion Institute.

Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames. / Arias, P. G.; Lecoustre, V. R.; Roy, S.; Wang, W.; Luo, Z.; Haworth, D. C.; Im, H. G.; Lu, T. F.; Ma, Kwan-Liu; Sankaran, R.; Trouvé, A.

Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011. Combustion Institute, 2011. p. 542-555.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Arias, PG, Lecoustre, VR, Roy, S, Wang, W, Luo, Z, Haworth, DC, Im, HG, Lu, TF, Ma, K-L, Sankaran, R & Trouvé, A 2011, Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames. in Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011. Combustion Institute, pp. 542-555, Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011, Storrs, United States, 10/9/11.

Arias, P. G. ; Lecoustre, V. R. ; Roy, S. ; Wang, W. ; Luo, Z. ; Haworth, D. C. ; Im, H. G. ; Lu, T. F. ; Ma, Kwan-Liu ; Sankaran, R. ; Trouvé, A. / Direct numerical simulation of soot formation and oxidation in temporally evolving turbulent luminous non-premixed flames. Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2011. Combustion Institute, 2011. pp. 542-555

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abstract = "Direct numerical simulations of a two-dimensional temporally-evolving ethylene-air non-premixed flame in a decaying turbulent flow are performed using a high-order compressible Navier-Stokes solver called S3D. Different models for fuel oxidation and soot formation/oxidation are presented and compared. The first model comprises a single step ethylene-air chemical mechanism with a semi-empirical soot model. Equidiffusion of species is assumed. The second model comprises a reduced mechanism derived from a detailed ethylene-air chemical kinetic mechanism that includes the reaction pathways for the formation of polycyclic aromatic hydrocarbons. The gas-phase chemistry is coupled with a semi-empirical soot model. The third model comprises the same reduced mechanism coupled with a detailed soot model based on the method of moments with interpolative closure. Differential diffusion of species is modeled. This paper presents a preliminary comparison of the models in the case of temporally evolving turbulent diffusion flames, with a particular focus on soot formation.",

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AU - Luo, Z.

AU - Haworth, D. C.

AU - Im, H. G.

AU - Lu, T. F.

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AU - Sankaran, R.

AU - Trouvé, A.

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AB - Direct numerical simulations of a two-dimensional temporally-evolving ethylene-air non-premixed flame in a decaying turbulent flow are performed using a high-order compressible Navier-Stokes solver called S3D. Different models for fuel oxidation and soot formation/oxidation are presented and compared. The first model comprises a single step ethylene-air chemical mechanism with a semi-empirical soot model. Equidiffusion of species is assumed. The second model comprises a reduced mechanism derived from a detailed ethylene-air chemical kinetic mechanism that includes the reaction pathways for the formation of polycyclic aromatic hydrocarbons. The gas-phase chemistry is coupled with a semi-empirical soot model. The third model comprises the same reduced mechanism coupled with a detailed soot model based on the method of moments with interpolative closure. Differential diffusion of species is modeled. This paper presents a preliminary comparison of the models in the case of temporally evolving turbulent diffusion flames, with a particular focus on soot formation.

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