Results 11 to 20 of about 66,096 (310)

Fire Propagation Characteristics and Fire Risks of Polyurethanes: Effects of Material Type (Foam & Board) and Added Flame Retardant

open access: yesFire, 2022
Polyurethane material is used as an interior finish and wall cavity insulation. Flame-retardant products may be used for ignition, flame diffusion, and heat-release blocking.
Ji Hun Choi   +3 more
doaj   +1 more source

A comparative study of gaseous fuel flame characteristics for different bluff body geometries

open access: yesCase Studies in Thermal Engineering, 2022
Flame stabilization by a bluff-body is commonly used in many combustion applications to improve mixture characteristics, enhance flame stability and assist in combustion control.
I.A. Ibrahim   +3 more
doaj   +1 more source

Experimental study on soot characteristics of laminar co-flow ethylene diffused flame under air atmosphere [PDF]

open access: yesE3S Web of Conferences, 2021
The morphological characteristics of ethylene flame under different working conditions were photographed and analyzed by CCD camera, the temperature distribution at different positions of flame was measured and analyzed by the thermocouple, and the ...
Xu Jing   +3 more
doaj   +1 more source

Propagation characteristics of the overpressure waves and flame fronts of methane explosions in complex pipeline networks

open access: yesGeomatics, Natural Hazards & Risk, 2022
The propagation characteristics of the overpressure waves and flame fronts of methane explosions in complex pipe networks under realistic conditions were studied.
Jia Jinzhang   +4 more
doaj   +1 more source

Characteristics of flame-nucleated carbonaceous nanoparticles [PDF]

open access: yesChemical Engineering Transactions, 2019
Flame-formed just-nucleated carbon nanoparticles, with sizes of about 2-10 nanometers, have been the object of increasing interest over the last decades not only because of environmental concerns but also as new procedure for synthesis of engineered nanoparticles.
Picca F.   +6 more
openaire   +3 more sources

Improvement of Municipal Solid Waste Syngas Premixed Flame with Cellular Structure on a Flat Burner

open access: yesEnergies, 2023
This research was conducted to study the flame instability of syngas derived from raw municipal solid waste (MSW) and its potential as a natural gas (NG) replacement in power generation. MSW syngas is a mixture of various components such as methane (CH4),
Amornrat Kaewpradap   +4 more
doaj   +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

Effect of Hydrogen Enhancement on Natural Flame Luminosity of Tri-Fuel Combustion in an Optical Engine

open access: yesEnergies, 2022
A novel combustion mode, namely tri-fuel (TF) combustion using a diesel pilot to ignite the premixed methane–hydrogen–air (CH4–H2–air) mixtures, was experimentally investigated under various H2 fractions (0%, 10%, 20%, 40%, 60%) and ultra-lean conditions
Qiang Cheng   +4 more
doaj   +1 more source

Characteristics of H2/air annular jet flames using multiple shear coaxial injectors

open access: yesJournal of Fluid Science and Technology, 2014
The heat transfer characteristics for the process tubes of a cracking furnace and the combustion chamber wall of a liquid oxygen/gas hydrogen rocket engine, both of which use multiple nozzles, are very important in terms of performance and safety.
Wataru MIYAGI   +3 more
doaj   +1 more source

An Autoadaptive Edge-Detection Algorithm for Flame and Fire Image Processing [PDF]

open access: yes, 2012
The determination of flame or fire edges is the process of identifying a boundary between the area where there is thermochemical reaction and those without. It is a precursor to image-based flame monitoring, early fire detection, fire evaluation, and the
Yan, Yong, Qiu, Tian, Lu, Gang
core   +1 more source

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