Analysis of ethylene-oxygen combustion in micro-pipes

Berk Demirgok, Orlando Jesus Ugarte Almeyda, V'yacheslav Akkerman, Damir Valiev, Vitaly Bychkov, Ming-Hsun Wu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Propagation of premixed stoichiometric ethylene-oxygen flames in cylindrical pipes of sub/near-millimeter radii is investigated-computationally, analytically and experimentally. Namely, various stages of flame evolution such as quasi-isobaric, exponential acceleration; its moderation due to gas compression; and eventual saturation to the Chapmen-Jouget deflagration are consdiered. Specifically, we have determined the dynamics and morphology of the flame front, its propagation velocity and acceleration rate. Due to viscous heating, the entire process can be followed by the detonation initiation ahead of the flame front. The computational component of this research includes numerical solution of the hydrodynamics and combustion equations with chemical kinetics represented by one-step Arrhenius reaction. The theoretical model accounts for small, but finite Mach number; and it assumes a plane-parallel flame-generated flow, zero flame thickness as well as large thermal expansion and flame-related Reynolds number. The overall study bridges the gap between the experiments of Wu et al. [Proc. Combust. Inst. 31 (2007) 2429] and the analytical formulation of Akkerman et al. [Combust. Flame 145 (2006) 206].

Original languageEnglish
Title of host publicationFall Technical Meeting of the Eastern States Section of the Combustion Institute 2013
PublisherCombustion Institute
Pages155-160
Number of pages6
ISBN (Electronic)9781629937199
Publication statusPublished - 2013 Jan 1
EventFall Technical Meeting of the Eastern States Section of the Combustion Institute 2013 - Clemson, United States
Duration: 2013 Oct 132013 Oct 16

Publication series

NameFall Technical Meeting of the Eastern States Section of the Combustion Institute 2013

Other

OtherFall Technical Meeting of the Eastern States Section of the Combustion Institute 2013
CountryUnited States
CityClemson
Period13-10-1313-10-16

Fingerprint

flames
Ethylene
ethylene
Pipe
Oxygen
oxygen
Detonation
Reaction kinetics
Mach number
Thermal expansion
Compaction
Reynolds number
Hydrodynamics
Gases
flame propagation
Heating
deflagration
Experiments
propagation velocity
detonation

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Demirgok, B., Almeyda, O. J. U., Akkerman, V., Valiev, D., Bychkov, V., & Wu, M-H. (2013). Analysis of ethylene-oxygen combustion in micro-pipes. In Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013 (pp. 155-160). (Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013). Combustion Institute.
Demirgok, Berk ; Almeyda, Orlando Jesus Ugarte ; Akkerman, V'yacheslav ; Valiev, Damir ; Bychkov, Vitaly ; Wu, Ming-Hsun. / Analysis of ethylene-oxygen combustion in micro-pipes. Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013. Combustion Institute, 2013. pp. 155-160 (Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013).
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Demirgok, B, Almeyda, OJU, Akkerman, V, Valiev, D, Bychkov, V & Wu, M-H 2013, Analysis of ethylene-oxygen combustion in micro-pipes. in Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013. Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013, Combustion Institute, pp. 155-160, Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013, Clemson, United States, 13-10-13.

Analysis of ethylene-oxygen combustion in micro-pipes. / Demirgok, Berk; Almeyda, Orlando Jesus Ugarte; Akkerman, V'yacheslav; Valiev, Damir; Bychkov, Vitaly; Wu, Ming-Hsun.

Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013. Combustion Institute, 2013. p. 155-160 (Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AU - Bychkov, Vitaly

AU - Wu, Ming-Hsun

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N2 - Propagation of premixed stoichiometric ethylene-oxygen flames in cylindrical pipes of sub/near-millimeter radii is investigated-computationally, analytically and experimentally. Namely, various stages of flame evolution such as quasi-isobaric, exponential acceleration; its moderation due to gas compression; and eventual saturation to the Chapmen-Jouget deflagration are consdiered. Specifically, we have determined the dynamics and morphology of the flame front, its propagation velocity and acceleration rate. Due to viscous heating, the entire process can be followed by the detonation initiation ahead of the flame front. The computational component of this research includes numerical solution of the hydrodynamics and combustion equations with chemical kinetics represented by one-step Arrhenius reaction. The theoretical model accounts for small, but finite Mach number; and it assumes a plane-parallel flame-generated flow, zero flame thickness as well as large thermal expansion and flame-related Reynolds number. The overall study bridges the gap between the experiments of Wu et al. [Proc. Combust. Inst. 31 (2007) 2429] and the analytical formulation of Akkerman et al. [Combust. Flame 145 (2006) 206].

AB - Propagation of premixed stoichiometric ethylene-oxygen flames in cylindrical pipes of sub/near-millimeter radii is investigated-computationally, analytically and experimentally. Namely, various stages of flame evolution such as quasi-isobaric, exponential acceleration; its moderation due to gas compression; and eventual saturation to the Chapmen-Jouget deflagration are consdiered. Specifically, we have determined the dynamics and morphology of the flame front, its propagation velocity and acceleration rate. Due to viscous heating, the entire process can be followed by the detonation initiation ahead of the flame front. The computational component of this research includes numerical solution of the hydrodynamics and combustion equations with chemical kinetics represented by one-step Arrhenius reaction. The theoretical model accounts for small, but finite Mach number; and it assumes a plane-parallel flame-generated flow, zero flame thickness as well as large thermal expansion and flame-related Reynolds number. The overall study bridges the gap between the experiments of Wu et al. [Proc. Combust. Inst. 31 (2007) 2429] and the analytical formulation of Akkerman et al. [Combust. Flame 145 (2006) 206].

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Demirgok B, Almeyda OJU, Akkerman V, Valiev D, Bychkov V, Wu M-H. Analysis of ethylene-oxygen combustion in micro-pipes. In Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013. Combustion Institute. 2013. p. 155-160. (Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2013).