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Small Skeletal Kinetic Reaction Mechanism for Ethylene-Air Combustion

Zettervall, Niklas LU ; Fureby, Christer and Nilsson, Elna J.K. LU (2017) In Energy and Fuels 31(12). p.14138-14149
Abstract

Ethylene is a fuel considered for high-speed ram- and scramjet combustion applications, mainly because of the short ignition delay time resulting from its high reactivity. Further research and development on these combustion systems would benefit from simulations of large eddy (LES) type, which allow some chemical detail to accurately predict combustion characteristics and pollutant formation. In the present work, a chemical kinetic mechanism suitable for LES is presented, consisting of 66 irreversible reactions between 23 species. The mechanism is extensively validated for combustion characteristics related to ignition and flame propagation over a wide range of pressure, temperature, and equivalence ratios that previously published... (More)

Ethylene is a fuel considered for high-speed ram- and scramjet combustion applications, mainly because of the short ignition delay time resulting from its high reactivity. Further research and development on these combustion systems would benefit from simulations of large eddy (LES) type, which allow some chemical detail to accurately predict combustion characteristics and pollutant formation. In the present work, a chemical kinetic mechanism suitable for LES is presented, consisting of 66 irreversible reactions between 23 species. The mechanism is extensively validated for combustion characteristics related to ignition and flame propagation over a wide range of pressure, temperature, and equivalence ratios that previously published mechanism of this size have not covered. Agreement with a detailed reference mechanism is good for ignition delay, flame temperature, and laminar burning velocities. In addition, overall concentration profiles of major stable products are in overall good agreement with a reference mechanism. The skeletal mechanism shows an overall good performance in combination with a numerical stability and short computation time, making it highly suitable for combustion LES.

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Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Energy and Fuels
volume
31
issue
12
pages
12 pages
publisher
The American Chemical Society
external identifiers
  • scopus:85039061269
ISSN
0887-0624
DOI
10.1021/acs.energyfuels.7b02078
language
English
LU publication?
yes
id
c3e9a03b-2e03-45fd-8a52-a42949a2023f
date added to LUP
2018-01-05 10:37:52
date last changed
2018-01-05 10:37:52
@article{c3e9a03b-2e03-45fd-8a52-a42949a2023f,
  abstract     = {<p>Ethylene is a fuel considered for high-speed ram- and scramjet combustion applications, mainly because of the short ignition delay time resulting from its high reactivity. Further research and development on these combustion systems would benefit from simulations of large eddy (LES) type, which allow some chemical detail to accurately predict combustion characteristics and pollutant formation. In the present work, a chemical kinetic mechanism suitable for LES is presented, consisting of 66 irreversible reactions between 23 species. The mechanism is extensively validated for combustion characteristics related to ignition and flame propagation over a wide range of pressure, temperature, and equivalence ratios that previously published mechanism of this size have not covered. Agreement with a detailed reference mechanism is good for ignition delay, flame temperature, and laminar burning velocities. In addition, overall concentration profiles of major stable products are in overall good agreement with a reference mechanism. The skeletal mechanism shows an overall good performance in combination with a numerical stability and short computation time, making it highly suitable for combustion LES.</p>},
  author       = {Zettervall, Niklas and Fureby, Christer and Nilsson, Elna J.K.},
  issn         = {0887-0624},
  language     = {eng},
  month        = {12},
  number       = {12},
  pages        = {14138--14149},
  publisher    = {The American Chemical Society},
  series       = {Energy and Fuels},
  title        = {Small Skeletal Kinetic Reaction Mechanism for Ethylene-Air Combustion},
  url          = {http://dx.doi.org/10.1021/acs.energyfuels.7b02078},
  volume       = {31},
  year         = {2017},
}