Results 21 to 30 of about 45,979 (307)

Formation of Lean Premixed Surface Flame Using Porous Baffle Plate and Flame Holder

open access: yesJournal of Thermal Science and Technology, 2013
A lean premixed surface flame has many advantages including low CO(Carbon Monoxide) and NOx(Nitrogen Oxide) emission and applicability of a small combustion volume leading to compact design.
Pil Hyong LEE, Sang Soon HWANG
doaj   +1 more source

A facile method to improve thermal stability and flame retardancy of polyamide 6 [PDF]

open access: yes, 2019
Despite great advances for flame-retardant polyamide 6 (PA6), there is still a lack of facile strategies for creating advanced flame-retardant PA6 composites without significantly compromising its thermal stability to date.
Qin, Shuhao   +5 more
core   +1 more source

(Photo)oxidative degradation and stabilization of flame retarded polymers [PDF]

open access: yes, 2022
S.2430-2435Flame retarded polymer formulations are mainly used in long-term applications whereas antioxidants, light stabilizers and co-additives provide the requested lifetime of plastic materials.
Pfaendner, Rudolf
core   +1 more source

Auto-Ignition and Flame Stabilization of Hydrogen / Natural Gas / Nitrogen Jets in a Vitiated Cross-Flow at Elevated Pressure [PDF]

open access: yes, 2013
The influence of natural gas (NG) on the auto-ignition behavior of hydrogen (H2)/nitrogen (N2) fuel jets injected into a vitiated cross-flow was studied at conditions relevant for practical combustion systems (p = 15 bar, Tcross-flow = 1173 K).
Aigner, Manfred   +5 more
core   +2 more sources

Analysis of industrial flame characteristics and constancy study using image processing technique [PDF]

open access: yesJournal of Mechanical Engineering and Sciences, 2015
The study of characterizing and featuring different kinds of flames has become more important than ever in order to increase combustion efficiency and decrease particulate emissions, especially since the study of industrial flames requires more attention.
Bibhuti Bhusan Samantaray   +1 more
doaj   +1 more source

Analysis of LPG diffusion flame in tube type burner

open access: yesJournal of Mechanical Engineering and Sciences, 2019
The present research aims to analyse diffusion flame in a tube type burner with Liquefied petroleum gas (LPG) as a fuel. An experimental investigation is performed to study flame appearance, flame stability, Soot free length fraction (SFLF) and CO ...
Vipul Patel, Rupesh Shah
doaj   +1 more source

Investigation of the Effects of Plasma Discharges on Methane Decomposition for Combustion Enhancement of a Lean Flame

open access: yesEnergies, 2020
The present work focuses on the impact of dielectric barrier discharge (DBD) plasma actuators (PAs) on non-premixed lifted flame stabilization in a methane CH4-air Bunsen burner. Two coaxial DBD-PA configurations are considered.
Maria Grazia De Giorgi   +4 more
doaj   +1 more source

Combustion of NH3–CH4 blend in a Coaxial Swirl Burner [PDF]

open access: yesE3S Web of Conferences
Ammonia is a promising carbon-free fuel for decarbonizing the energy sectors. However, implementing it in combustion systems is limited by difficulties in maintaining flame stability and controlling nitrogen oxide (NOx) emissions. This study investigates
Lakhal Fatma Ezzahra   +3 more
doaj   +1 more source

Characteristics of Flame Stability and Gaseous Emission of Bio-Crude Oil from Coffee Ground in a Pilot-Scale Spray Burner

open access: yesEnergies, 2020
Coffee ground has been recently considered as a new biomass resource in relation to the increasing coffee consumption worldwide. The bio-crude oil can be produced by fast pyrolysis of coffee ground, and it has advantages of larger heating values in ...
Sang Kyu Choi   +4 more
doaj   +1 more source

Annular Air Gap Area Impact on Flame Regime Transition and Combustion in Low-chamber-pressure Air Heater [PDF]

open access: yesJournal of Applied Fluid Mechanics
This study combines high-speed shadowgraph imaging with numerical simulations to systematically examine the effect of the annular air gap area on the spray combustion characteristics of an alcohol-liquid-oxygen-air tripropellant coaxial direct-flow ...
K. Wang, C. B. Shen, B Fan
doaj   +1 more source

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