Results 11 to 20 of about 3,130,564 (335)

Turbulent Premixed Flame Kernel Growth During The Early Stages Using Direct Numerical Simulation [PDF]

open access: yes, 2008
In this thesis Direct Numerical Simulation (DNS) is used to investigate the development of turbulent premixed flame kernels during the early stages of growth typical of the period following spark ignition.
Dunstan, T. D.
core   +7 more sources

Advanced Optical and 3D Reconstruction Diagnostics for Combustion and Fluids Research [PDF]

open access: yes, 2012
Imaging based optical diagnostics have played an important role in combustion and fluids studies. However, most imaging techniques are two dimensional.
Wang, Qian
core   +6 more sources

Flow Characterisation of Flames in an Acoustically Excited Chamber [PDF]

open access: yes, 2012
Flame-acoustic wave interactions have been studied widely in the combustion community; however the whole physicochemical mechanism is still not clear.
Chen, Li-Wei
core   +6 more sources

Soot volume fraction profiling of asymmetric diffusion flames through tomographic imaging [PDF]

open access: yes, 2014
This paper presents the 3-D (three-dimensional) reconstruction of soot volume fraction of diffusion flames based on tomographic imaging and image processing techniques.
Hossain, Md Moinul   +6 more
core   +1 more source

Flamelet Characteristics of Gaseous and Spray Lifted Flames on Two-Dimensional Direct Numerical Simulations

open access: yesJournal of Fluid Science and Technology, 2008
The detailed behaviors of gaseous and spray lifted flames are studied by two- dimensional direct numerical simulations (DNS), and the characteristics of the flamelets are investigated in terms of two key variables for flamelet modeling, namely mixture ...
Yuya BABA, Ryoichi KUROSE
doaj   +1 more source

Growth and Oxidation of Graphitic Crystallites in Soot Particles within a Laminar Diffusion Flame [PDF]

open access: yes, 2014
The growth and oxidation behaviors of graphitic crystallites in soot particles within a laminar co-flow propane diffusion flame were investigated experimentally. Soot was sampled along the flame axis and collected on a quartz?fiber filter.
Nagaoka, Shogo   +2 more
core   +1 more source

Quantitative Assessment of Flame Stability Through Image Processing and Spectral Analysis [PDF]

open access: yes, 2015
This paper experimentally investigates two generalized methods, i.e., a simple universal index and oscillation frequency, for the quantitative assessment of flame stability at fossil-fuel-fired furnaces.
Zhou, Hao   +4 more
core   +1 more source

Influence of carbon dioxide and steam on temperature field formed by inverse diffusion flame of gasified-gas of woody biomass

open access: yesNihon Kikai Gakkai ronbunshu, 2018
Partial combustion is applied for tar reduction in the gasified-gas of woody biomass. An inverse diffusion flame was formed in partial-combustion-type gas reformer.
Zhiren BAI   +3 more
doaj   +1 more source

Oxygen combustion of CH4-CO2 mixture in a small-scale counterflow burner

open access: yesJournal of Thermal Science and Technology, 2018
Oxygen combustion of CH4-CO2 mixture in a small-scale counterflow burner was studied. A diffusion flame was stabilized in the gap between opposed ports ejecting fuel and oxygen gases, and its thickness which depended on the gap distance between burner ...
Satoshi KADOWAKI   +5 more
doaj   +1 more source

The Effects of Differential Diffusion on Turbulent Non-Premixed Flames LO2/CH4 under Transcritical Conditions Using Large-Eddy Simulation

open access: yesEnergies, 2023
In this paper, a large-eddy simulation (LES) of turbulent non-premixed LO2/CH4 combustion under transcritical conditions is performed based on the Mascotte test rig from the Office National d’Etudes et de Recherches Ae´rospatiales (ONERA), and the aim is
Siyuan Wang   +3 more
doaj   +1 more source

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