Experimental determination of laminar burning velocity for butanol and ethanol iso-octane blends |
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Authors: | G Broustail P Seers G Moréac |
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Affiliation: | a Institut PRISME, Université d’Orléans, 45072 Orléans, France b Département de génie mécanique, École de technologie supérieure, Montréal, Canada H3C 1K3 c Renault Technocentre, 78288 Guyancourt, France |
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Abstract: | The potential of butanol as an additive in iso-octane used as gasoline fuel was characterized with respect to laminar combustion, and compared with ethanol. New sets of data of laminar burning velocity are provided by using the spherical expanding flame methodology, in a constant volume vessel. This paper presents the first results obtained for pure fuels (iso-octane, ethanol and butanol) at an initial pressure of 0.1 MPa and a temperature of 400 K, and for an equivalence range from 0.8 to 1.4. New data of laminar burning velocity for three fuel blends containing up to 75% alcohol by liquid volume are also provided. From these new experimental data, a correlation to estimate the laminar burning velocity of any butanol or ethanol blend iso-octane-air mixture is proposed. |
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Keywords: | Laminar premixed flame Alcohol-iso-octane blend Ethanol Butanol Laminar burning speed |
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