Comprehensive kinetic modeling and experimental study of a fuel-rich, premixed n-heptane flame

Seidel, Lars; Moshammer, Kai; Wang, Xiaoxiao; Zeuch, Thomas; Kohse‐Höinghaus, Katharina; Mauß, Fabian

doi:10.1016/j.combustflame.2015.01.002

Cited by 109 publications

(73 citation statements)

References 81 publications

(135 reference statements)

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“…Since n ‐heptane is the main component of reference and surrogate fuels for internal combustion engines, and also is a convenient object for studying thermal transformations of higher n ‐alkanes, much attention is paid to the study of its combustion and oxidation processes, as well as pyrolysis . Data on the composition of the products and the kinetics of pyrolysis of n ‐heptane were used to establish the mechanism of its oxidation and combustion and to build the kinetic schemes of processes …”

Section: Resultsmentioning

confidence: 99%

Microwave discharge in liquid n‐heptane with and without bubble flow of argon

Averin

Билера

Lebedev

et al. 2019

Plasma Processes & Polymers

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Emission spectra and gas products of microwave discharge in liquid n‐heptane with and without argon bubbling (6–40 l h−1) are investigated. The discharge was excited in a system with a coaxial input of energy. The pressure above the surface of the liquid was equal to atmospheric pressure. It is shown that the addition of argon changes the spectral composition of the plasma radiation, in which the emission of hydrogen and argon atomic lines appears. The addition of argon does not affect the rotational and vibrational temperatures of the state C2true(d3normalΠgtrue), the composition and the ratio of the main gas products (H2, CH4, C2H2, C2H4).

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Section: Resultsmentioning

confidence: 99%

Microwave discharge in liquid n‐heptane with and without bubble flow of argon

Averin

Билера

Lebedev

et al. 2019

Plasma Processes & Polymers

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“…A structural analysis of these compounds is admittedly beyond the present work, however, taking the fairly low temperature of the hydrogen system into account, species like peroxides or cyclic ethers could be very likely. This is underlined recently by the findings of Seidel et al [65].…”

Section: Oxygenated Speciesmentioning

confidence: 53%

“…Note, that the experimental data represents a disturbed profile due to the presence of the quartz cone, while the solution of the energy balance represents the undisturbed system. The disturbed profile is shifted downstream, as is typically seen for the disturbed case [65]. Additionally, the gas temperatures are about 150 K lower than the undisturbed prediction.…”

Section: Ignition Delay Times Flame Speeds and Temperature Profilesmentioning

confidence: 81%

1-, 2- and 3-Pentanol combustion in laminar hydrogen flames – A comparative experimental and modeling study

Köhler

Kathrotia

Oßwald

et al. 2015

Combustion and Flame

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a b s t r a c tOxidation pathways of three different pentanol isomers 1-, 2-and 3-pentanol are investigated using the electron-ionization molecular-beam mass spectrometry (EI-MBMS) technique. New experimental speciation data was obtained from laminar, flat, low-pressure H 2 /O 2 /Ar base flames seeded with equal amounts of pre-vaporized 1-, 2-or 3-pentanol. The experimental investigation is supported by kinetic modeling. Here, one single detailed reaction mechanism for the three linear pentanol isomers has been constructed and compared against new and existing experimental data. The model itself was obtained by an open-source reaction model generation software (RMG) and tested against existing ignition delay times, flame speeds and new quantitative experimental results for mole fraction profiles of major and intermediate species.The overall discussion of individual species profiles is guided by the model-based reaction flow analysis focusing on the initial steps of the fuel destruction paths for the three pentanols down to C3-hydrocarbon species. Therefore, the reaction pathways for the initial fuel destruction steps are shown and analyzed using combined experimental and predicted results. Analysis is performed by means of secondary decay products for each of the three pentanols. The kinetic reaction model was successfully tested against available ignition delay time and laminar flame speed data. Comparisons against 23 new quantitative species profiles are presented for each of the pentanol doped flames. In general, a good predictive capability of the detailed model can be noted for all three investigated straight-chain pentanols regarding the mole fraction profiles of major and intermediate species.

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“…Typically, ignition delay times are measured that can be compared to comprehensive combustion models. An example for the two‐stage ignition of n ‐heptane, a prototypical fuel for diesel combustion, is given in Figure , using the mechanism of Seidel et al . in comparison with shock tube results for 13.5 bar (left) and 40 bar (right) and different stoichiometries.…”

Section: Opportunities For Diagnosticsmentioning

confidence: 99%

Combustion Chemistry Diagnostics for Cleaner Processes

Kohse‐Höinghaus

2016

Chemistry A European J

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Climate change, environmental problems, urban pollution, and the dependence on fossil fuels demand cleaner, renewable energy strategies. However, they also ask for urgent advances in combustion science to reduce emissions. For alternative fuels and new combustion regimes, crucial information about the chemical reactions from fuel to exhaust remains lacking. Understanding such relations between combustion process, fuel, and emissions needs reliable experimental data from a wide range of conditions to provide a firm basis for predictive modeling of practical combustion processes.

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Comprehensive kinetic modeling and experimental study of a fuel-rich, premixed n-heptane flame

Cited by 109 publications

References 81 publications

Microwave discharge in liquid n‐heptane with and without bubble flow of argon

Microwave discharge in liquid n‐heptane with and without bubble flow of argon

1-, 2- and 3-Pentanol combustion in laminar hydrogen flames – A comparative experimental and modeling study

Combustion Chemistry Diagnostics for Cleaner Processes

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