Results 91 to 100 of about 23,143 (295)

An investigation of a turbulent spray flame using Large Eddy Simulation with a stochastic breakup model [PDF]

open access: yes, 2017
A computational investigation of a turbulent methanol/air spray flame in which a poly-dispersed droplet distribution is achieved through the use of a pressure-swirl atomiser (also known as a simplex atomiser) is presented.
Andrew J. Marquis   +5 more
core   +1 more source

Oxidative Fast Pyrolysis Enabling Autothermal Production of Porous Functionalized Biochar and Anhydrosugar/Phenol‐Rich Bio‐Oil From Biomass

open access: yesCarbon Energy, EarlyView.
Oxidative fast pyrolysis of biomass enables autothermal production of value‐added products. ABSTRACT Oxidative fast pyrolysis can potentially overcome the heat‐supply bottleneck of conventional fast pyrolysis by enabling autothermal operation while also tailoring product quality through controlled oxygen addition.
Bin Li   +15 more
wiley   +1 more source

On Flame Stability In The Hysteresis Regime In Co-Flow

open access: yes, 2005
This study documents experiments performed on lifted turbulent diffusion flames in the hysteresis regime with air co-flow. Undiluted methane, ethylene, and propane were used as fuels and two nozzle sizes were used. The results confirm the non-linearity
Terry, Stephen D
core  

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  

Catalyst‐Free Cyanation of Arenes by Acetonitrile in a Plasma–Liquid Microreactor

open access: yesChemistry – A European Journal, EarlyView.
An original approach of arylnitrile synthesis was developed by generating an argon plasma in contact with solutions of arene in acetonitrile within a gas‐liquid microreactor. Plasma activation of acetonitrile generated cyano radicals, enabling a catalyst‐free C‐H cyanation of arenes.
Pierre Dedieu   +4 more
wiley   +1 more source

Flame Height Correlation and Upward Flame Spread Modelling

open access: yes, 2014
[[abstract]]Previous work has demonstrated that flame height is one of the two most important parameters determining the rate of vertical flame spread on a wall.
Tsai, Kuang-Chung;Drysdale, Dougal
core  

Isodesmic Supramolecular Assembly of Phenylethynylene Bis‐Urea Macrocycles

open access: yesChemistry – A European Journal, EarlyView.
A soluble phenylethynylene bis‐urea macrocycle assembles in polar media via an isodesmic hydrogen bonded mechanism. Spectroscopic and morphological studies reveal nanoscale aggregates with short chain length, while guest additives modulate enthalpy and polymerization, demonstrating tunable supramolecular assembly.
Fahidat A. Gbadamosi   +5 more
wiley   +1 more source

A STUDY OF COMPARTMENT FIRE UNDER FORCED VENTILATION: EXPERIMENTAL AND COMPUTATIONAL FLUID DYNAMICS MODELING

open access: yesInternational Islamic University Malaysia Engineering Journal, 2010
This paper discusses on the dynamic behavior of the flame and smoke inside a compartment fire. The compartment can be referred to a room, road tunnel, duct, compartment or a building.
M.Z. Abu Bakar, Y. Wu
doaj   +1 more source

Effect of different flue gas recirculation rates on low‐NOx combustion characteristics: A numerical simulation based on the combustion process of a gas boiler

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract NOx emissions from gas boilers severely impact the environment, and flue gas recirculation (FGR) technology can effectively reduce such emissions, yet the effects of different FGR rates on combustion performance and NOx formation remain unclear. This study thus used numerical simulation (via ANSYS Fluent, adopting the realizable k‐ε turbulence
Chao Min   +3 more
wiley   +1 more source

Computation of Flame Base Height of a Turbulent Diffusion Flame Resulting From a Methane Jet

open access: yes, 1999
This work summarizes numerical results for a diffusion flame formed from a cylindrical tube fuel injector, issuing a gaseous methane jet vertically in a quiescent atmosphere.
Kheireddine, A. S.   +2 more
core   +1 more source

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