Applicability of high dimensional model representation correlations for ignition delay times of n-heptane/air mixtures
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers in Energy"
DOI: 10.1007/s11708-018-0584-9
Abstract: It is difficult to predict the ignition delay times for fuels with the two-stage ignition tendency because of the existence of the nonlinear negative temperature coefficient (NTC) phenomenon at low temperature regimes. In this paper,… read more here.
Keywords: times heptane; delay times; ignition delay; ignition ... See more keywords
Measuring and comparing the ignition delay time of the reference diesel, convectional diesel, additive ethanol and biodiesel from soybean oil using a shock tube
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-020-2183-z
Abstract: The objective of this work is to correlate the ignition delay times of reference diesel, convectional diesel, ethanol and biodiesel from soybean oil measured in a shock tube with a 5% additive increase in the… read more here.
Keywords: delay time; ignition delay; ignition; reference diesel ... See more keywords
Statistical characteristics of spray autoignition of transient kerosene jet in cross flow
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2021.03.021
Abstract: Abstract To study statistical characteristics of the random spray autoignition, aviation kerosene was injected transiently into non-vitiated air crossflow in a flow reactor with optical accesses. The operating conditions were relevant to gas turbine combustor:… read more here.
Keywords: spray autoignition; statistical characteristics; jet; kerosene ... See more keywords
Hypergolicity and ignition delay study of pure and energized ethanol gel fuel with hydrogen peroxide
Sign Up to like & getrecommendations! Published in 2017 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2016.11.018
Abstract: Abstract An experimental study of hypergolicity and ignition delay of pure and energized gelled ethanol with hydrogen peroxide was carried out. Experimental drop test results were obtained and discussed by using Photron high speed camera… read more here.
Keywords: hypergolicity; pure; fuel; ignition ... See more keywords
Theory of first-stage ignition delay in hydrocarbon NTC chemistry
Sign Up to like & getrecommendations! Published in 2018 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2017.10.003
Abstract: Abstract The first-stage ignition delay of n-heptane/air mixtures is computationally studied using detailed mechanism and theoretically studied using eigenvalue analysis of simplified systems. Results show that the delay has a turnover behavior as temperature increases,… read more here.
Keywords: first stage; stage ignition; chemistry; ignition delay ... See more keywords
Impact of non-ideal behavior on ignition delay and chemical kinetics in high-pressure shock tube reactors
Sign Up to like & getrecommendations! Published in 2018 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2017.10.014
Abstract: Abstract Here, we study real gas effects on high-pressure combustion by comparing simulated and experimentally-measured shock tube ignition delay measurements for n-dodecane/O2/N2 mixtures. Experiments and simulations occur at conditions relevant to diesel engines: 40–80 atm, 774–1163 K,… read more here.
Keywords: state; shock tube; gas; ignition delay ... See more keywords
Time-resolved CO2 concentration and ignition delay time measurements in the combustion processes of n-butane/hydrogen mixtures
Sign Up to like & getrecommendations! Published in 2019 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.05.041
Abstract: Abstract In order to research kinetics properties of hydrogen-enriched n-butane mixtures, this study measured the ignition delay time of nC 4 H 10 /H 2 mixtures in shock tube tests and time-resolved CO 2 concentrations… read more here.
Keywords: time resolved; time; delay time; ignition delay ... See more keywords
Dimensionless parameters determining the effect of dilution on ignition delay of syngas and hydrocarbon fuels
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DOI: 10.1016/j.combustflame.2019.11.037
Abstract: Abstract This study explored the prediction of the effect of dilution on the ignition delay of syngas and hydrocarbon fuels from dimensionless parameters. In this regard, the dilution effect was categorized into two sub-effects. The… read more here.
Keywords: effect; dilution; ignition delay; dimensionless parameters ... See more keywords
Towards quantitative prediction of ignition-delay-time sensitivity on fuel-to-air equivalence ratio
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DOI: 10.1016/j.combustflame.2019.12.019
Abstract: Abstract Several compression-ignition and low-temperature combustion strategies require a fuel where the ignition-delay-time (IDT) is highly sensitive to the fuel-to-air equivalence ratio (ϕ). Quantitative prediction of ϕ-sensitivity (i.e., the change in IDT with respect to… read more here.
Keywords: sensitivity; fuel; quantitative prediction; ignition delay ... See more keywords
An experimental and kinetic modeling study of NOx sensitization on methane autoignition and oxidation
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.111746
Abstract: Abstract An experimental and kinetic modeling study of the influence of NOx (i.e. NO2, NO and N2O) addition on the ignition behavior of methane/‘air’ mixtures is performed. Ignition delay time measurements are taken in a… read more here.
Keywords: kinetic modeling; modeling study; experimental kinetic; ignition ... See more keywords
The influence of n-butanol blending on the ignition delay times of gasoline and its surrogate at high pressures
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DOI: 10.1016/j.fuel.2016.09.052
Abstract: Abstract The influence of blending n-butanol at 20% by volume on the ignition delay times for a reference gasoline was studied in a rapid compression machine (RCM) for stoichiometric fuel/air mixtures at 20 bar and 678–858 K.… read more here.
Keywords: gasoline surrogate; delay times; butanol; ignition delay ... See more keywords