LrgpV1, Main, Exploration, bibRecord, 001563

Shock tube measurements of branched alkane ignition times and OH concentration time histories

Identifieur interne : 001563 ( Main/Exploration ); précédent : 001562; suivant : 001564

Shock tube measurements of branched alkane ignition times and OH concentration time histories

Auteurs : M. A. Oehlschlaeger [États-Unis] ; D. F. Davidson [États-Unis] ; J. T. Herbon [États-Unis] ; R. K. Hanson [États-Unis]

Source :

International Journal of Chemical Kinetics [ 0538-8066 ] ; 2004.

RBID : ISTEX:031ED645F8D8268FAEE30DEBEF5D7511F56D0BCC

English descriptors

Abstract

Ignition times and hydroxyl (OH) radical concentration time histories were measured behind reflected shock waves during the oxidation of three branched alkanes: iso‐butane (2‐methylpropane), iso‐pentane (2‐methylbutane), and iso‐octane (2,2,4‐trimethylpentane). Initial reflected shock conditions ranged from 1177 to 2009 K and 1.10 to 12.58 atm with dilute fuel/O2/Ar mixtures varying in fuel concentration from 100 ppm to 1.25% and in equivalence ratio from 0.25 to 2. Ignition times were measured using endwall CH emission and OH concentrations were measured using narrow‐linewidth ring‐dye laser absorption of the R1(5) line of the OH A‐X (0,0) band at 306.7 nm. The ignition times and OH concentration time histories were compared to modeled predictions of seven branched alkane oxidation mechanisms currently available in the literature and the implications of these comparisons are discussed. These data provide a unique database for the validation of detailed hydrocarbon oxidation mechanisms of propulsion related fuels. © 2003 Wiley Periodicals, Inc. Int J Chem Kinet 36: 67–78 2004

Url:

https://api.istex.fr/document/031ED645F8D8268FAEE30DEBEF5D7511F56D0BCC/fulltext/pdf

DOI: 10.1002/kin.10173

Affiliations:

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Le document en format XML

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<author><name sortKey="Davidson, D F" sort="Davidson, D F" uniqKey="Davidson D" first="D. F." last="Davidson">D. F. Davidson</name>
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<author><name sortKey="Herbon, J T" sort="Herbon, J T" uniqKey="Herbon J" first="J. T." last="Herbon">J. T. Herbon</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption data</term>
<term>Alkane</term>
<term>Alkane ignition</term>
<term>Alkane oxidation</term>
<term>Bounaceur</term>
<term>Chem</term>
<term>Chem kinet</term>
<term>Chem phys</term>
<term>Combust flame</term>
<term>Concentration data</term>
<term>Concentration time histories</term>
<term>Correlated ignition times</term>
<term>Curran</term>
<term>Current study</term>
<term>Early time</term>
<term>Early time rise</term>
<term>Early times</term>
<term>Endwall</term>
<term>Equivalence ratio</term>
<term>Fuel concentration</term>
<term>Fuel decomposition</term>
<term>Fuel decomposition reactions</term>
<term>Hanson</term>
<term>Ignition</term>
<term>Ignition event</term>
<term>Ignition time</term>
<term>Ignition time data</term>
<term>Ignition times</term>
<term>Initial conditions</term>
<term>Initial peak</term>
<term>Initial shock conditions</term>
<term>Inst</term>
<term>Intl symp shock waves</term>
<term>Kinetic scheme</term>
<term>Laser absorption</term>
<term>Mole fraction</term>
<term>Normal alkanes</term>
<term>Oehlschlaeger</term>
<term>Open circles</term>
<term>Peak value</term>
<term>Phys chem</term>
<term>Pitsch</term>
<term>Pool data</term>
<term>Practical fuels</term>
<term>Previous work</term>
<term>Proc</term>
<term>Proc comb inst</term>
<term>Propulsion power</term>
<term>Ranzi</term>
<term>Reaction classes</term>
<term>Regression analysis</term>
<term>Sensitivity analysis</term>
<term>Shock arrival</term>
<term>Shock tube</term>
<term>Shock waves</term>
<term>Solid line</term>
<term>Target data</term>
<term>Temperature dependence</term>
<term>Temperature range</term>
<term>Thermochemical data</term>
<term>Time history</term>
<term>Wang</term>
<term>Wiley periodicals</term>
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<term>Alkane</term>
<term>Alkane ignition</term>
<term>Alkane oxidation</term>
<term>Bounaceur</term>
<term>Chem</term>
<term>Chem kinet</term>
<term>Chem phys</term>
<term>Combust flame</term>
<term>Concentration data</term>
<term>Concentration time histories</term>
<term>Correlated ignition times</term>
<term>Curran</term>
<term>Current study</term>
<term>Early time</term>
<term>Early time rise</term>
<term>Early times</term>
<term>Endwall</term>
<term>Equivalence ratio</term>
<term>Fuel concentration</term>
<term>Fuel decomposition</term>
<term>Fuel decomposition reactions</term>
<term>Hanson</term>
<term>Ignition</term>
<term>Ignition event</term>
<term>Ignition time</term>
<term>Ignition time data</term>
<term>Ignition times</term>
<term>Initial conditions</term>
<term>Initial peak</term>
<term>Initial shock conditions</term>
<term>Inst</term>
<term>Intl symp shock waves</term>
<term>Kinetic scheme</term>
<term>Laser absorption</term>
<term>Mole fraction</term>
<term>Normal alkanes</term>
<term>Oehlschlaeger</term>
<term>Open circles</term>
<term>Peak value</term>
<term>Phys chem</term>
<term>Pitsch</term>
<term>Pool data</term>
<term>Practical fuels</term>
<term>Previous work</term>
<term>Proc</term>
<term>Proc comb inst</term>
<term>Propulsion power</term>
<term>Ranzi</term>
<term>Reaction classes</term>
<term>Regression analysis</term>
<term>Sensitivity analysis</term>
<term>Shock arrival</term>
<term>Shock tube</term>
<term>Shock waves</term>
<term>Solid line</term>
<term>Target data</term>
<term>Temperature dependence</term>
<term>Temperature range</term>
<term>Thermochemical data</term>
<term>Time history</term>
<term>Wang</term>
<term>Wiley periodicals</term>
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<front><div type="abstract" xml:lang="en">Ignition times and hydroxyl (OH) radical concentration time histories were measured behind reflected shock waves during the oxidation of three branched alkanes: iso‐butane (2‐methylpropane), iso‐pentane (2‐methylbutane), and iso‐octane (2,2,4‐trimethylpentane). Initial reflected shock conditions ranged from 1177 to 2009 K and 1.10 to 12.58 atm with dilute fuel/O2/Ar mixtures varying in fuel concentration from 100 ppm to 1.25% and in equivalence ratio from 0.25 to 2. Ignition times were measured using endwall CH emission and OH concentrations were measured using narrow‐linewidth ring‐dye laser absorption of the R1(5) line of the OH A‐X (0,0) band at 306.7 nm. The ignition times and OH concentration time histories were compared to modeled predictions of seven branched alkane oxidation mechanisms currently available in the literature and the implications of these comparisons are discussed. These data provide a unique database for the validation of detailed hydrocarbon oxidation mechanisms of propulsion related fuels. © 2003 Wiley Periodicals, Inc. Int J Chem Kinet 36: 67–78 2004</div>
</front>
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<name sortKey="Davidson, D F" sort="Davidson, D F" uniqKey="Davidson D" first="D. F." last="Davidson">D. F. Davidson</name>
<name sortKey="Hanson, R K" sort="Hanson, R K" uniqKey="Hanson R" first="R. K." last="Hanson">R. K. Hanson</name>
<name sortKey="Herbon, J T" sort="Herbon, J T" uniqKey="Herbon J" first="J. T." last="Herbon">J. T. Herbon</name>
<name sortKey="Oehlschlaeger, M A" sort="Oehlschlaeger, M A" uniqKey="Oehlschlaeger M" first="M. A." last="Oehlschlaeger">M. A. Oehlschlaeger</name>
<name sortKey="Oehlschlaeger, M A" sort="Oehlschlaeger, M A" uniqKey="Oehlschlaeger M" first="M. A." last="Oehlschlaeger">M. A. Oehlschlaeger</name>
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Shock tube measurements of branched alkane ignition times and OH concentration time histories

Shock tube measurements of branched alkane ignition times and OH concentration time histories

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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Pour mettre un lien sur cette page dans le réseau Wicri