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Exploring the interaction kinetics of butene isomers and NO$_{x}$ at low temperatures and diluted conditions

Gossler, Sabrina 1; Ruwe, Lena; Yuan, Wenhao; Yang, Jiuzhong; Chen, Xiamin; Schmitt, Steffen; Maier, Lubow 2; Kohse-Höinghaus, Katharina; Qi, Fei; Deutschmann, Olaf ORCID iD icon 1,2
1 Institut für Technische Chemie und Polymerchemie (ITCP), Karlsruher Institut für Technologie (KIT)
2 Institut für Katalyseforschung und -technologie (IKFT), Karlsruher Institut für Technologie (KIT)


The oxidation of 1-butene and i-butene with and without addition of 1000 ppm NO was experimentally and numerically studied primarily at fuel-rich (ϕ = 2.0) conditions under high dilution (96% Ar) in a flow reactor operated at atmospheric pressure in the low temperature range of approximately 600-1200 K. Numerous intermediate species were detected and quantified using synchrotron vacuum ultraviolet photoionization mass spectrometry (SVUV-PIMS). An elementary-step reaction mechanism consisting of 3996 reactions among 682 species, based on literature and this work, was established to describe the reactions and interaction kinetics of the butene isomers with oxygen and nitrogenous components. Model predictions were compared with the experimental results to gain insight into the low- and high-temperature fuel consumption without and with NO addition and thus the respective interaction chemistry. This investigation firstly contributes a consistent set of temperature-dependent concentration profiles for these two butene isomers under conditions relevant for engine exhaust gases. Secondly, the observed oxidation kinetics is significantly altered with the addition of NO. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000135830
Veröffentlicht am 27.07.2021
DOI: 10.1016/j.combustflame.2021.111557
Zitationen: 3
Web of Science
Zitationen: 1
Zitationen: 4
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Katalyseforschung und -technologie (IKFT)
Institut für Technische Chemie und Polymerchemie (ITCP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2021
Sprache Englisch
Identifikator ISSN: 0010-2180, 1556-2921
KITopen-ID: 1000135830
HGF-Programm 38.03.02 (POF IV, LK 01) Power-based Fuels and Chemicals
Erschienen in Combustion and Flame
Verlag Elsevier
Band 233
Seiten Art.-Nr.: 111557
Schlagwörter Oxidation of butene isomers; NO butene interaction; Chemical kinetics; Low-temperature chemistry; SVUV-PIMS; Flow reactor; Combustion exhaust gases
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