Browsing College of Science by Title
Now showing items 281-300 of 976
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An experimental and detailed kinetic modeling study of the pyrolysis and oxidation of allene and propyne over a wide range of conditions
(Elsevier, 2021-07-27)Allene and propyne are important intermediates in the pyrolysis and oxidation of higher hydrocarbon fuels, and they are also a major source of propargyl radical formation, which can recombine into different C 6 H 6 isomers ... -
Experimental and kinetic modeling study of 2-methyl-2-butene: allylic hydrocarbon kinetics
(American Chemical Society, 2015-03-20)Two experimental studies have been carried out on the oxidation of 2-methyl-2-butene, one measuring ignition delay times behind reflected shock waves in a stainless steel shock tube, and the other measuring fuel, intermediate, ... -
Experimental and kinetic modeling study of 3-Methyl-2-butenol (Prenol) oxidation
(American Chemical Society, 2021-08-19)Longer chain alcohols with 4–5 carbon atoms are attractive alternative fuels as they can be derived from biological sources and since their combustion leads to lower exhaust gas levels of NOx and soot compared to commercial ... -
An experimental and kinetic modeling study of cyclopentane and dimethyl ether blends
(Elsevier, 2020-11-13)Cyclopentane is a suitable naphthene, or cycloalkane, in a palette for multi-component gasoline surro- gate fuels due to its presence in market fuels and its relevance to alkyl substituted cyclopentanes also present. ... -
An experimental and kinetic modeling study of n-hexane oxidation
(Elsevier, 2015-09-11)Ignition delay times for n-hexane oxidation have been measured in a rapid compression machine (RCM) at stoichiometric conditions and at 15 bar. Due to the high reactivity of n-hexane and non-ideal experimental effects ... -
An experimental and kinetic modeling study of the auto-ignition of natural gas blends containing C1–C7 alkanes
(Elsevier, 2020-07-16)Ignition delay time measurements for multi-component natural gas mixtures were carried out using a rapid compression machine at conditions relevant to gas turbine operation, at equivalence ratios of 0.5–2.0 in ‘air’ in the ... -
An experimental and kinetic modeling study of the ignition delay characteristics of binary blends of ethane/propane and ethylene/propane in multiple shock tubes and rapid compression machines over a wide range of temperature, pressure, equivalence ratio, and dilution
(Elsevier, 2021-03-02)In this work, the ignition delay time characteristics of C2 – C3 binary blends of gaseous hydrocarbons including ethylene/propane and ethane/propane are studied over a wide range of temperatures (750 – 2000 K), pressures ... -
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 and kinetic modeling study of the pyrolysis and oxidation of n-C-3-C-5 aldehydes in shock tubes
(Elsevier ScienceDirect, 2015-08-24)Due to the increasing interest in the use of biofuels for energy production, it is of great importance to better understand the combustion and thermal decomposition characteristics of species such as aldehydes. These are ... -
Experimental and kinetic modeling study of the shock tube ignition of a large oxygenated fuel: tri-propylene glycol mono-methyl ether
(Elsevier, 2015-05-13)Tri-propylene glycol monomethyl ether (TPGME) is an important oxygenated fuel additive that can be used to reduce soot in diesel engines. However, a validated chemical kinetic model that incorporates the low- to high-temperature ... -
An experimental and modeling study of diethyl carbonate oxidation
(Elsevier ScienceDirect, 2015-01-19)Diethyl carbonate (DEC) is an attractive biofuel that can be used to displace petroleum-derived diesel fuel, thereby reducing CO2 and particulate emissions from diesel engines. A better understanding of DEC combustion ... -
An experimental and modeling study of nitromethane + O2 + N2 ignition in a shock tube
(Elsevier, 2016-09-09)The ignition of nitromethane/O-2/N-2 mixtures was investigated via shock tube experiments in the temperature range 947-1333 K at reflected shock pressures near 8, 16 and 32 atm. The ignition was recorded as the intensity ... -
An experimental and modeling study of propene oxidation. Part 1: Speciation measurements in jet-stirred and flow reactors
(Elsevier ScienceDirect, 2014-06-20)Propene is a significant component of Liquefied Petroleum Gas (LPG) and an intermediate in the combustion of higher order hydrocarbons. To better understand the combustion characteristics of propene, this study and its ... -
An experimental and modeling study of propene oxidation. Part 2: Ignition delay time and flame speed measurements
(Elsevier ScienceDirect, 2014-09-11)Experimental data obtained in this study (Part II) complement the speciation data presented in Part I, but also offer a basis for extensive facility cross-comparisons for both experimental ignition delay time (IDT) and ... -
An experimental and modeling study of shock tube and rapid compression machine ignition of n-butylbenzene/air mixtures
(Elsevier, 2013-08-28)In our previous work (D. Darcy, C.J. Tobin, K. Yasunaga, J.M. Simmie, J. Wurmel, W.K. Metcalfe, T. Niass, S.S. Ahmed, C.K. Westbrook, H.J. Curran, Combust. Flame 159 (2012) 2219-2232), ignition delay times of n-butylbenzene ... -
An experimental and modeling study of surrogate mixtures of n-propyl- and n-butylbenzene in n-heptane to simulate n-decylbenzene ignition
(Elsevier ScienceDirect, 2014-01-11)This paper presents experimental data for the oxidation of two surrogates for the large alkylbenzene class of compounds contained in diesel fuels, namely n-decylbenzene. A 57:43 molar% mixture of n-propylbenzene:n-heptane ... -
An experimental and modeling study of the ignition of dimethyl carbonate in shock tubes and rapid compression machine
(Elsevier, 2017-11-05)Ignition delay times of dimethyl carbonate DMC were measured using low- and high-pressure shock tubes and in a rapid compression machine (RCM). In this way, the effect of fuel concentration (0.75% and 1.75%), pressure (2.0, ... -
An experimental and modeling study of the shock tube ignition of a mixture of n-heptane and n-propylbenzene as a surrogate for a large alkyl benzene
(Elsevier ScienceDirect, 2012-07-11)Alkyl aromatics are an important chemical class in gasoline, jet and diesel fuels. In the present work, an n-propylbenzene and n-heptane mixture is studied as a possible surrogate for large alkyl benzenes contained in ... -
An experimental and modelling study of n-pentane oxidation in two jet-stirred reactors: The importance of pressure-dependent kinetics and new reaction pathways
(Elsevier, 2016-06-16)Two jet-stirred reactors (JSRs) coupled to gas chromatographic and spectroscopic techniques have been utilised to detect chemical species evolved during n -pentane oxidation at 1 and 10 atm, in the temperature range 500-1100 ... -
Experimental and numerical assessment of MRI-induced temperature change and SAR distributions in phantoms
(Springer Verlag, 2017-06)During an MR procedure, most of the transmitted RF power is transformed into heat within the patient’s tissue and implants as a result of resistive losses which is referred to as the specific energy absorption rate (SAR) ...