Experimental and modeling study of premixed laminar flames of ethanol and methane
Identifieur interne : 000580 ( Main/Exploration ); précédent : 000579; suivant : 000581Experimental and modeling study of premixed laminar flames of ethanol and methane
Auteurs : Luc Sy Tran [France] ; Pierre-Alexandre Glaude [France] ; René Fournet [France] ; Frédérique Battin-Leclerc [France]Source :
- Energy and Fuels [ 0887-0624 ] ; 2013-04-18.
Descripteurs français
- Wicri :
- topic : éthanol.
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
Affiliations:
- France
- Grand Est, Lorraine (région)
- Metz, Nancy
- Centre national de la recherche scientifique, Laboratoire réactions et génie des procédés, Université de Lorraine
Links toward previous steps (curation, corpus...)
- to stream Hal, to step Corpus: 000472
- to stream Hal, to step Curation: 000472
- to stream Hal, to step Checkpoint: 000561
- to stream Main, to step Merge: 000617
- to stream Main, to step Curation: 000580
Le document en format XML
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ENSIC, 1 rue de Grandville BP 20451, 54001 Nancy Cedex</addrLine><country key="FR"></country></address><ref type="url">http://lrgp.univ-lorraine.fr/</ref></desc><listRelation><relation active="#struct-413289" type="direct"></relation><relation name="UMR7274" active="#struct-441569" type="direct"></relation></listRelation></org></tutelle><tutelle active="#struct-413289" type="indirect"><org type="institution" xml:id="struct-413289" status="VALID"><idno type="IdRef">157040569</idno><idno type="IdUnivLorraine">[UL]100--</idno><orgName>Université de Lorraine</orgName><orgName type="acronym">UL</orgName><date type="start">2012-01-01</date><desc><address><addrLine>34 cours Léopold - CS 25233 - 54052 Nancy cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-lorraine.fr/</ref></desc></org></tutelle><tutelle name="UMR7274" active="#struct-441569" type="indirect"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="ISNI">0000000122597504</idno><idno type="IdRef">02636817X</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Nancy</settlement><settlement type="city">Metz</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université de Lorraine</orgName><placeName><settlement type="city">Nancy</settlement><region type="region" nuts="2">Grand Est</region><region type="region" nuts="2">Lorraine (région)</region></placeName><orgName type="laboratoire" n="5">Laboratoire réactions et génie des procédés</orgName><orgName type="university">Université de Lorraine</orgName><orgName type="institution">Centre national de la recherche scientifique</orgName></affiliation></author></analytic><idno type="DOI">10.1021/ef301628x</idno><series><title level="j">Energy and Fuels</title><idno type="ISSN">0887-0624</idno><imprint><date type="datePub">2013-04-18</date></imprint></series></biblStruct></sourceDesc></fileDesc><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><term>combustion</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>éthanol</term></keywords></textClass></profileDesc></teiHeader><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></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Metz</li><li>Nancy</li></settlement><orgName><li>Centre national de la recherche scientifique</li><li>Laboratoire réactions et génie des procédés</li><li>Université de Lorraine</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Tran, Luc Sy" sort="Tran, Luc Sy" uniqKey="Tran L" first="Luc Sy" last="Tran">Luc Sy Tran</name></region><name sortKey="Battin Leclerc, Frederique" sort="Battin Leclerc, Frederique" uniqKey="Battin Leclerc F" first="Frederique" last="Battin-Leclerc">Frédérique Battin-Leclerc</name><name sortKey="Fournet, Rene" sort="Fournet, Rene" uniqKey="Fournet R" first="René" last="Fournet">René Fournet</name><name sortKey="Glaude, Pierre Alexandre" sort="Glaude, Pierre Alexandre" uniqKey="Glaude P" first="Pierre-Alexandre" last="Glaude">Pierre-Alexandre Glaude</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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