Predictions of soot in laminar diffusion flames

Ian H. Kennedy; Wolfgang Kollmann; J. Y. Chen

Predictions of soot in laminar diffusion flames

Ian H. Kennedy, Wolfgang Kollmann, J. Y. Chen

Mechanical and Aerospace Engineering

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

Abstract

A model for soot formation in diffusion flames is proposed in which a correlation between mixture fraction and soot surface growth rate is used. The correlation is derived from measurements in a stagnation point diffusion flame. The calculation solves the boundary layer form of the flow equations which include the continuity equation, momentum, mixture fraction and the enthalpy equations. The latter equation is included to account for radiation which earlier studies found to be important in determining the flame temperatures in sooty flames and the rates of soot reactions. Results are presented for two laminar flows. The first is an axisymmetric laminar jet diffusion flame and the second is a Wolfhard-Parker twodimensional flame. Good agreement has been obtained for both flows without adjustment of the model parameters.

Original language	English (US)
Title of host publication	28th Aerospace Sciences Meeting, 1990
Publisher	American Institute of Aeronautics and Astronautics Inc, AIAA
State	Published - 1990
Event	28th Aerospace Sciences Meeting, 1990 - Reno, United States Duration: Jan 8 1990 → Jan 11 1990

Other

Other	28th Aerospace Sciences Meeting, 1990
Country	United States
City	Reno
Period	1/8/90 → 1/11/90

ASJC Scopus subject areas

Aerospace Engineering

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Kennedy, I. H., Kollmann, W., & Chen, J. Y. (1990). Predictions of soot in laminar diffusion flames. In 28th Aerospace Sciences Meeting, 1990 [AIAA-90-0459] American Institute of Aeronautics and Astronautics Inc, AIAA.

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abstract = "A model for soot formation in diffusion flames is proposed in which a correlation between mixture fraction and soot surface growth rate is used. The correlation is derived from measurements in a stagnation point diffusion flame. The calculation solves the boundary layer form of the flow equations which include the continuity equation, momentum, mixture fraction and the enthalpy equations. The latter equation is included to account for radiation which earlier studies found to be important in determining the flame temperatures in sooty flames and the rates of soot reactions. Results are presented for two laminar flows. The first is an axisymmetric laminar jet diffusion flame and the second is a Wolfhard-Parker twodimensional flame. Good agreement has been obtained for both flows without adjustment of the model parameters.",

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year = "1990",

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T1 - Predictions of soot in laminar diffusion flames

AU - Kennedy, Ian H.

AU - Kollmann, Wolfgang

AU - Chen, J. Y.

PY - 1990

Y1 - 1990

N2 - A model for soot formation in diffusion flames is proposed in which a correlation between mixture fraction and soot surface growth rate is used. The correlation is derived from measurements in a stagnation point diffusion flame. The calculation solves the boundary layer form of the flow equations which include the continuity equation, momentum, mixture fraction and the enthalpy equations. The latter equation is included to account for radiation which earlier studies found to be important in determining the flame temperatures in sooty flames and the rates of soot reactions. Results are presented for two laminar flows. The first is an axisymmetric laminar jet diffusion flame and the second is a Wolfhard-Parker twodimensional flame. Good agreement has been obtained for both flows without adjustment of the model parameters.

AB - A model for soot formation in diffusion flames is proposed in which a correlation between mixture fraction and soot surface growth rate is used. The correlation is derived from measurements in a stagnation point diffusion flame. The calculation solves the boundary layer form of the flow equations which include the continuity equation, momentum, mixture fraction and the enthalpy equations. The latter equation is included to account for radiation which earlier studies found to be important in determining the flame temperatures in sooty flames and the rates of soot reactions. Results are presented for two laminar flows. The first is an axisymmetric laminar jet diffusion flame and the second is a Wolfhard-Parker twodimensional flame. Good agreement has been obtained for both flows without adjustment of the model parameters.

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M3 - Conference contribution

AN - SCOPUS:85003582700

BT - 28th Aerospace Sciences Meeting, 1990

PB - American Institute of Aeronautics and Astronautics Inc, AIAA

T2 - 28th Aerospace Sciences Meeting, 1990

Y2 - 8 January 1990 through 11 January 1990

ER -