Browsing School of Chemistry (Scholarly Articles) by Subject "SHOCK-TUBE"
Now showing items 1-17 of 17
-
An ab initio/transition state theory study of the reactions of Ċ5H9 species of relevance to 1,3-Pentadiene, Part II: Pressure dependent rate constants and implications for combustion modeling
(American Chemical Society, 2020-05-12)The temperature- and pressure-dependence of rate constants for several radicals and unsaturated hydrocarbons reactions (1,3-C5H8/1,4-C5H8/cyC(5)H(8) + (H)over dot, C2H4 + (C)over dot(3)H5-a, C3H6 + (C)over dot(2)H(3)) are ... -
Assessing the predictions of a NOx kinetic mechanism on recent hydrogen and syngas experimental data
(Elsevier, 2017-05-02)A detailed chemical kinetic mechanism has been developed to describe the pyrolysis and oxidation of the hydrogen/NOx and syngas/NOx systems. The thermodynamic data of nitrogenous compounds have been updated based on the ... -
A chemical kinetic perspective on the low-temperature oxidation of propane/propene mixtures through experiments and kinetic analyses
(Elsevier, 2020-10-21)Our understanding of fuel oxidation has improved with rigorous experimental and theoretical investigations being performed in recent years. As investigation methods evolve, our understanding of fundamental fuel chemistry ... -
Cyclopentane combustion. Part II. Ignition delay measurements and mechanism validation
(Elsevier, 2017-06-12)This study reports cyclopentane ignition delay measurements over a wide range of conditions. The measurements were obtained using two shock tubes and a rapid compression machine, and were used to test a detailed low- and ... -
A detailed chemical kinetic modeling and experimental investigation of the low- and high-temperature chemistry of n-butylcyclohexane
(Wiley, 2020-11-26)Chemical kinetic models of gasoline, jet, and diesel fuels and their mixtures with bioderived fuels are needed to assess fuel property effects on efficiency, emissions, and other performance metrics in internal combustion ... -
Developing detailed chemical kinetic mechanisms for fuel combustion
(Elsevier, 2018-07-01)This paper discusses a brief history of chemical kinetic modeling, with some emphasis on the development of chemical kinetic mechanisms describing fuel oxidation. At high temperatures, the important reactions tend to be ... -
An experimental and chemical kinetic modeling study of 1,3-butadiene combustion: Ignition delay time and laminar flame speed measurements
(Elsevier, 2018-09-10)Ignition delay times for 1,3-butadiene oxidation were measured in five different shock tubes and in a rapid compression machine (RCM) at thermodynamic conditions relevant to practical combustors. The ignition delay times ... -
An experimental and kinetic modeling study of the oxidation of hexane isomers: Developing consistent reaction rate rules for alkanes
(Elsevier, 2019-05-09)Alkanes are key components in gasoline, jet and diesel fuels and considerably influence the combustion behavior of these fuels because of their wide range of reactivity. An improved understanding of their combustion behavior ... -
An experimental, theoretical, and modeling study of the ignition behavior of cyclopentanone
(Elsevier, 2018-07-05)The ignition delay times of cyclopentanone in air were measured using a high pressure shock tube (HPST) and a rapid compression machine (RCM) over the temperature range of 794-1368 K at P = 15 and 30 bar and at equivalence ... -
The influence of iso-butene kinetics on the reactivity of di-isobutylene and iso-octane
(Elsevier, 2020-09-06)The continuous development of a core C-0 - C-4 kinetic mechanism generally involves updating it using reliable kinetics and thermodynamics and may also involve the inclusion of missing reaction pathways to improve the ... -
New experimental insights into acetylene oxidation through novel ignition delay times, laminar burning velocities and chemical kinetic modelling
(Elsevier, 2018-08-03)The oxidation of acetylene is central to the oxidation of virtually all hydrocarbon fuels. It is also important for commercial industry, due to its wide range of applications such as flame photometry, atomic absorption, ... -
Probing the antagonistic effect of toluene as a component in surrogate fuel models at low temperatures and high pressures. A case study of toluene/dimethyl ether mixtures
(Elsevier, 2016-07-12)There is a dearth of experimental data which examine the fundamental low-temperature ignition (T < 900 K) behavior of toluene resulting in a lack of data for the construction, validation, and interpretation of chemical ... -
Probing the low-temperature chemistry of ethanol via the addition of dimethyl ether
(Elsevier, 2017-11-28)Considering the importance of ethanol (EtOH) as an engine fuel and a key component of surrogate fuels, the further understanding of its auto-ignition and oxidation characteristics at engine-relevant conditions (high pressures ... -
An RCM experimental and modeling study on CH4 and CH4/C2H6 oxidation at pressures up to 160 bar
(Elsevier, 2017-06-13)The oxidation of CH4 and CH4/C2H6 mixtures were studied at pressures relevant to knocking in large bore natural gas engines. The experiments were carried out in a rapid compression machine (RCM) at end of compression (EOC) ... -
Small ester combustion chemistry: Computational kinetics and experimental study of methyl acetate and ethyl acetate
(Elsevier, 2018-07-17)Small esters represent an important class of high octane biofuels for advanced spark ignition engines. They qualify for stringent fuel screening standards and could be synthesized through various pathways. In this work, ... -
Testing the validity of a mechanism describing the oxidation of binary n-heptane/toluene mixtures at engine operating conditions
(Elsevier, 2019-11-02)The aim of this work is to evaluate the influence of the n-heptane/toluene ratio on the reactivity of binary toluene reference fuels (TRFs), through a combined experimental and numerical work. Novel experimental ignition ... -
Uncertainty quantification of a newly optimized methanol and formaldehyde combustion mechanism
(Elsevier, 2017-09-27)A detailed reaction mechanism for methanol combustion that is capable of describing ignition, flame propagation and species concentration profiles with high accuracy has been developed. Starting from a modified version of ...