Soot size distribution in lightly sooting premixed flames of benzene and toluene
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers in Energy"
DOI: 10.1007/s11708-020-0663-6
Abstract: The evolution of particle size distribution function (PSDF) of soot in premixed flames of benzene and toluene was studied on a burner stabilized stagnation (BSS) flame platform. The cold gas velocities were changed to hold… read more here.
Keywords: premixed flames; flames benzene; size distribution; flame ... See more keywords
Investigation on the oxidation chemistry of methanol in laminar premixed flames
Sign Up to like & getrecommendations! Published in 2017 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2017.02.016
Abstract: Abstract In this work, oxidation chemistry of methanol was investigated in laminar premixed flames. Laminar burning velocities of methanol/air mixtures at 423 K and 1–10 atm were measured in a spherical combustion vessel, extending the range of… read more here.
Keywords: premixed flames; chemistry methanol; oxidation chemistry; methanol ... See more keywords
Characteristics of counterflow premixed flames with low frequency composition fluctuations
Sign Up to like & getrecommendations! Published in 2020 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.10.004
Abstract: Abstract The response of laminar methane/air counterflow premixed flames under sinusoidal equivalence ratio oscillation was investigated numerically. The timescales of the oscillation were chosen to be sufficiently longer than the flame timescale so that the… read more here.
Keywords: premixed flames; response; support effect; oscillation ... See more keywords
Propagation of premixed flames in the presence of Darrieus–Landau and thermal diffusive instabilities
Sign Up to like & getrecommendations! Published in 2020 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2020.02.030
Abstract: Abstract We study the propagation of premixed flames, in the absence of external turbulence, under the effect of both hydrodynamic (Darrieus–Landau) and thermodiffusive instabilities. The Sivashinsky equation in a suitable parameter space is initially utilized… read more here.
Keywords: premixed flames; propagation; presence; propagation premixed ... See more keywords
A revisit to the validity of flamelet assumptions in turbulent premixed combustion and implications for future research
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.111635
Abstract: Abstract The flamelet assumption has been widely used for analysis and modeling of turbulent premixed flames over the past decades. Despite its popularity, validity of this assumption has been challenged originally by Borghi [1] in… read more here.
Keywords: premixed flames; research; assumption; validity ... See more keywords
Sooting characteristics of partially-premixed flames of ethanol and ethylene mixtures: Unravelling the opposing effects of ethanol addition on soot formation in non-premixed and premixed flames
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2020.120089
Abstract: Abstract Oxygenated biofuels such as bioethanol and biodiesel are widely used as clean fuel additives in practical combustion devices to reduce emissions of greenhouse gases and soot particles. Literature data showed that the effects of… read more here.
Keywords: soot formation; ethanol addition; premixed flames; non premixed ... See more keywords
Numerical study on CH4 laminar premixed flames for combustion characteristics in the oxidant atmospheres of N2/CO2/H2O/Ar-O2
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Energy Institute"
DOI: 10.1016/j.joei.2019.11.011
Abstract: Abstract The freely-propagating laminar premixed flames of CH4–N2/CO2/H2O/Ar-O2 mixtures were conducted with the PREMIX code. The effects of the equivalence ratio and various oxidant atmospheres on the basic combustion characteristics were analyzed with the initial… read more here.
Keywords: premixed flames; oxidant atmospheres; co2 h2o; combustion characteristics ... See more keywords
Nonlinear dynamics of premixed flames: from deterministic stages to stochastic influence
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.562
Abstract: Abstract Premixed flame propagation is a rich interface problem. Instabilities and nonlinearities lead to the formation of cusps pointing toward the burnt gas. These cusps, which undergo complex dynamics, enhance the reaction rate by increasing… read more here.
Keywords: premixed flames; flame; flames deterministic; nonlinear dynamics ... See more keywords
Burning Velocity of Turbulent Methane/Air Premixed Flames in Subatmospheric Environments
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c02670
Abstract: The aim of our work was to study turbulent premixed flames in subatmospheric conditions. For this purpose, turbulent premixed flames of lean methane/air mixtures were stabilized in a nozzle-type Bunsen burner and analyzed using Schlieren… read more here.
Keywords: premixed flames; methane air; burning velocity; flames subatmospheric ... See more keywords
Network structure of turbulent premixed flames.
Sign Up to like & getrecommendations! Published in 2017 at "Chaos"
DOI: 10.1063/1.4980135
Abstract: In this paper, a generalized description of the complex topology of turbulent premixed flames stabilized in a model gas turbine combustor is obtained using network analysis. Networks are created using the visibility algorithm applied to… read more here.
Keywords: premixed flames; turbulent premixed; network; network structure ... See more keywords
Non-linear Interactions of Two Premixed Flames Explored by Large Eddy Simulation with External Acoustic Forcing
Sign Up to like & getrecommendations! Published in 2018 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2017.1398148
Abstract: ABSTRACT This article describes a numerical study of the interactions between two lean premixed flames subjected to external acoustic forcing. This provides insights into the flame-to-flame interactions that may occur during combustion instability in annular… read more here.
Keywords: premixed flames; interactions two; flame; acoustic forcing ... See more keywords