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Adiabatic laminar burning velocities of CH4 + H2 + air flames at low pressures

Konnov, Alexander LU ; Riemeijer, R. and de Goey, L. P. H. (2010) In Fuel 89(7). p.1392-1396
Abstract
Experimental measurements of the adiabatic burning velocity in methane + hydrogen + air flames using the Heat Flux method are presented. The hydrogen content in the fuel was varied from 0 to 20%. Non-stretched flames were stabilized on a perforated plate burner from 20 to 100 kPa. The equivalence ratio was varied from 0.8 to 1.4. Adiabatic burning velocities of CH4 + H-2 + air mixtures were found in good agreement with the literature results at atmospheric pressure. Also low-pressure measurements in CH4 + air flames performed earlier were accurately reproduced. The effects of enrichment by hydrogen on the laminar burning velocity at low pressures have been studied for the first time. Calculated burning velocities using the Konnov mechanism... (More)
Experimental measurements of the adiabatic burning velocity in methane + hydrogen + air flames using the Heat Flux method are presented. The hydrogen content in the fuel was varied from 0 to 20%. Non-stretched flames were stabilized on a perforated plate burner from 20 to 100 kPa. The equivalence ratio was varied from 0.8 to 1.4. Adiabatic burning velocities of CH4 + H-2 + air mixtures were found in good agreement with the literature results at atmospheric pressure. Also low-pressure measurements in CH4 + air flames performed earlier were accurately reproduced. The effects of enrichment by hydrogen on the laminar burning velocity at low pressures have been studied for the first time. Calculated burning velocities using the Konnov mechanism are in satisfactory agreement with the experiments over the entire range of conditions. Pressure dependences of the burning velocities for the three fuels studied could be approximated by an empirical exponential correlation. (C) 2009 Elsevier Ltd. All rights reserved. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Burning velocity, Methane, Hydrogen, Low pressure
in
Fuel
volume
89
issue
7
pages
1392 - 1396
publisher
Elsevier
external identifiers
  • wos:000277189100012
  • scopus:77951257492
ISSN
1873-7153
DOI
10.1016/j.fuel.2009.11.002
language
English
LU publication?
yes
id
6d0fa825-f041-4087-8307-dcd8e217520e (old id 1619439)
date added to LUP
2010-06-18 13:02:18
date last changed
2018-07-01 03:51:12
@article{6d0fa825-f041-4087-8307-dcd8e217520e,
  abstract     = {Experimental measurements of the adiabatic burning velocity in methane + hydrogen + air flames using the Heat Flux method are presented. The hydrogen content in the fuel was varied from 0 to 20%. Non-stretched flames were stabilized on a perforated plate burner from 20 to 100 kPa. The equivalence ratio was varied from 0.8 to 1.4. Adiabatic burning velocities of CH4 + H-2 + air mixtures were found in good agreement with the literature results at atmospheric pressure. Also low-pressure measurements in CH4 + air flames performed earlier were accurately reproduced. The effects of enrichment by hydrogen on the laminar burning velocity at low pressures have been studied for the first time. Calculated burning velocities using the Konnov mechanism are in satisfactory agreement with the experiments over the entire range of conditions. Pressure dependences of the burning velocities for the three fuels studied could be approximated by an empirical exponential correlation. (C) 2009 Elsevier Ltd. All rights reserved.},
  author       = {Konnov, Alexander and Riemeijer, R. and de Goey, L. P. H.},
  issn         = {1873-7153},
  keyword      = {Burning velocity,Methane,Hydrogen,Low pressure},
  language     = {eng},
  number       = {7},
  pages        = {1392--1396},
  publisher    = {Elsevier},
  series       = {Fuel},
  title        = {Adiabatic laminar burning velocities of CH4 + H2 + air flames at low pressures},
  url          = {http://dx.doi.org/10.1016/j.fuel.2009.11.002},
  volume       = {89},
  year         = {2010},
}