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Ignition characteristics of 2-methyltetrahydrofuran: An experimental and kinetic study
Tripathi, Rupali; Lee, Changyoul; Fernandes, Ravi X.; Olivier, Herbert; Curran, Henry J.; Sarathy, S. Mani; Pitsch, Heinz
This work was performed as part of the Cluster of Excellence “Tailor-Made fuels from Biomass”, which is funded by the Excellence Initiative by the German federal and state governments to promote science and research at German universities. The work performed by the Clean Combustion Research Center was supported by competitive research funding from King Abdullah University of Science and Technology (KAUST). The work at NUI Galway was kindly supported by Saudi Aramco under the FUELCOM program. The present paper elucidates oxidation behavior of 2-methyltetrahydrofuran (2-MTHF), a novel second-generation biofuel. New experimental data sets for 2-MTHF including ignition delay time measurements in two different combustion reactors, i.e. rapid compression machine and high-pressure shock tube, are presented. Measurements for 2-MTHF/oxidizer/diluent mixtures were performed in the temperature range of 639-1413 K, at pressures of 10, 20, and 40 bar, and at three different equivalence ratios of 0.5, 1.0, and 2.0. A detailed chemical kinetic model describing both low-and high-temperature chemistry of 2-MTHF was developed and validated against new ignition delay measurements and already existing flame species profiles and ignition delay measurements. The mechanism provides satisfactory agreement with the experimental data. For identifying key reactions at various combustion conditions and to attain a better understanding of the combustion behavior, reaction path and sensitivity analyses were performed. (C) 2016 by The Combustion Institute. Published by Elsevier Inc. 2018-10-10
Keyword(s): 2-methyltetrahydrofuran; Ignition delay; Kinetic model; Shock tube; Rapid compression machine; RAPID COMPRESSION MACHINE; HIGH-PRESSURE; THERMAL-DECOMPOSITION; TEMPERATURE OXIDATION; N-PROPYLBENZENE; TETRAHYDROFURAN; COMBUSTION; BIOMASS; FUELS; BIOFUELS
Publication Date:
2017
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Contributor(s): |~|
Institution: NUI Galway
Publisher(s): Elsevier
File Format(s): application/pdf
First Indexed: 2018-02-28 06:20:19 Last Updated: 2019-09-20 07:09:51