Experimental and modeling study of premixed laminar flames of ethanol and methane
Identifieur interne : 000472 ( Hal/Corpus ); précédent : 000471; suivant : 000473Experimental and modeling study of premixed laminar flames of ethanol and methane
Auteurs : Luc Sy Tran ; Pierre-Alexandre Glaude ; René Fournet ; Frederique Battin-LeclercSource :
- Energy and Fuels [ 0887-0624 ] ; 2013-04-18.
English descriptors
- mix :
Abstract
To better understand the chemistry of the combustion of ethanol, the structure of five low pressure laminar premixed flames has been investigated: a pure methane flame (φ = 1), three pure ethanol flames (φ = 0.7, 1.0, and 1.3), and an ethanol/methane mixture flame (φ = 1). The flames have been stabilized on a burner at a pressure of 6.7 kPa using argon as a dilutant, with a gas velocity at the burner of 64.3 cm/s at 333 K. The results consist of mole fraction profiles of 20 species measured as a function of the height above the burner by probe sampling followed by online gas chromatography analyses. A mechanism for the oxidation of ethanol was proposed. The reactions of ethanol and acetaldehyde were updated and include recent theoretical calculations while that of ethenol, dimethyl ether, acetone, and propanal were added in the mechanism. This mechanism was also tested against experimental results available in the literature for laminar burning velocities and laminar premixed flame where ethenol was detected. The main reaction pathways of consumption of ethanol are analyzed. The effect of the branching ratios of reaction C 2H5OH + OH → Products + H2O is also discussed.
Url:
DOI: 10.1021/ef301628x
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Hal:hal-00866205Le document en format XML
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<profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>Acetone</term>
<term>Argon</term>
<term>Branching ratio</term>
<term>Ethanol</term>
<term>Fuels</term>
<term>Gas chromatography</term>
<term>Laminar burning velocity</term>
<term>Laminar premixed flames</term>
<term>Methane</term>
<term>Modeling studies</term>
<term>Online gas chromatography</term>
<term>Premixed laminar flames</term>
<term>Reaction pathways</term>
<term>Theoretical calculations</term>
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<front><div type="abstract" xml:lang="en">To better understand the chemistry of the combustion of ethanol, the structure of five low pressure laminar premixed flames has been investigated: a pure methane flame (φ = 1), three pure ethanol flames (φ = 0.7, 1.0, and 1.3), and an ethanol/methane mixture flame (φ = 1). The flames have been stabilized on a burner at a pressure of 6.7 kPa using argon as a dilutant, with a gas velocity at the burner of 64.3 cm/s at 333 K. The results consist of mole fraction profiles of 20 species measured as a function of the height above the burner by probe sampling followed by online gas chromatography analyses. A mechanism for the oxidation of ethanol was proposed. The reactions of ethanol and acetaldehyde were updated and include recent theoretical calculations while that of ethenol, dimethyl ether, acetone, and propanal were added in the mechanism. This mechanism was also tested against experimental results available in the literature for laminar burning velocities and laminar premixed flame where ethenol was detected. The main reaction pathways of consumption of ethanol are analyzed. The effect of the branching ratios of reaction C 2H5OH + OH → Products + H2O is also discussed.</div>
</front>
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<hal api="V3"><titleStmt><title xml:lang="en">Experimental and modeling study of premixed laminar flames of ethanol and methane</title>
<author role="aut"><persName><forename type="first">Luc Sy</forename>
<surname>Tran</surname>
</persName>
<email></email>
<idno type="halauthor">835265</idno>
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<author role="aut"><persName><forename type="first">Pierre-Alexandre</forename>
<surname>Glaude</surname>
</persName>
<email>pierre-alexandre.glaude@univ-lorraine.fr</email>
<idno type="halauthor">879633</idno>
<affiliation ref="#struct-400164"></affiliation>
</author>
<author role="aut"><persName><forename type="first">René</forename>
<surname>Fournet</surname>
</persName>
<email>rene.fournet@univ-lorraine.fr</email>
<idno type="halauthor">807196</idno>
<affiliation ref="#struct-400163"></affiliation>
</author>
<author role="crp"><persName><forename type="first">Frederique</forename>
<surname>Battin-Leclerc</surname>
</persName>
<email>frederique.battin-leclerc@univ-lorraine.fr</email>
<idno type="halauthor">806094</idno>
<affiliation ref="#struct-400163"></affiliation>
</author>
<editor role="depositor"><persName><forename>Gabriel</forename>
<surname>Wild</surname>
</persName>
<email>gabriel.wild@univ-lorraine.fr</email>
</editor>
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<editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2013-09-26 11:29:48</date>
<date type="whenModified">2016-05-10 16:53:55</date>
<date type="whenReleased">2013-09-26 11:29:48</date>
<date type="whenProduced">2013-04-18</date>
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<idno type="halRefHtml">Energy and Fuels, American Chemical Society, 2013, 27 (4), pp.2226-2245. <10.1021/ef301628x></idno>
<idno type="halRef">Energy and Fuels, American Chemical Society, 2013, 27 (4), pp.2226-2245. <10.1021/ef301628x></idno>
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<idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Experimental and modeling study of premixed laminar flames of ethanol and methane</title>
<author role="aut"><persName><forename type="first">Luc Sy</forename>
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<email>pierre-alexandre.glaude@univ-lorraine.fr</email>
<idno type="halAuthorId">879633</idno>
<affiliation ref="#struct-400164"></affiliation>
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<author role="aut"><persName><forename type="first">René</forename>
<surname>Fournet</surname>
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<email>rene.fournet@univ-lorraine.fr</email>
<idno type="halAuthorId">807196</idno>
<affiliation ref="#struct-400163"></affiliation>
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<author role="crp"><persName><forename type="first">Frederique</forename>
<surname>Battin-Leclerc</surname>
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<email>frederique.battin-leclerc@univ-lorraine.fr</email>
<idno type="halAuthorId">806094</idno>
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<monogr><idno type="halJournalId" status="VALID">4619</idno>
<idno type="issn">0887-0624</idno>
<idno type="eissn">1520-5029</idno>
<title level="j">Energy and Fuels</title>
<imprint><publisher>American Chemical Society</publisher>
<biblScope unit="volume">27</biblScope>
<biblScope unit="issue">4</biblScope>
<biblScope unit="pp">2226-2245</biblScope>
<date type="datePub">2013-04-18</date>
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<profileDesc><langUsage><language ident="en">English</language>
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<textClass><keywords scheme="author"><term xml:lang="en">Branching ratio</term>
<term xml:lang="en">Laminar burning velocity</term>
<term xml:lang="en">Laminar premixed flames</term>
<term xml:lang="en">Modeling studies</term>
<term xml:lang="en">Online gas chromatography</term>
<term xml:lang="en">Premixed laminar flames</term>
<term xml:lang="en">Reaction pathways</term>
<term xml:lang="en">Theoretical calculations</term>
<term xml:lang="en">combustion</term>
<term xml:lang="en">Acetone</term>
<term xml:lang="en">Argon</term>
<term xml:lang="en">Ethanol</term>
<term xml:lang="en">Fuels</term>
<term xml:lang="en">Gas chromatography</term>
<term xml:lang="en">Methane</term>
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<abstract xml:lang="en">To better understand the chemistry of the combustion of ethanol, the structure of five low pressure laminar premixed flames has been investigated: a pure methane flame (φ = 1), three pure ethanol flames (φ = 0.7, 1.0, and 1.3), and an ethanol/methane mixture flame (φ = 1). The flames have been stabilized on a burner at a pressure of 6.7 kPa using argon as a dilutant, with a gas velocity at the burner of 64.3 cm/s at 333 K. The results consist of mole fraction profiles of 20 species measured as a function of the height above the burner by probe sampling followed by online gas chromatography analyses. A mechanism for the oxidation of ethanol was proposed. The reactions of ethanol and acetaldehyde were updated and include recent theoretical calculations while that of ethenol, dimethyl ether, acetone, and propanal were added in the mechanism. This mechanism was also tested against experimental results available in the literature for laminar burning velocities and laminar premixed flame where ethenol was detected. The main reaction pathways of consumption of ethanol are analyzed. The effect of the branching ratios of reaction C 2H5OH + OH → Products + H2O is also discussed.</abstract>
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