Results 11 to 20 of about 1,374 (210)

3-D Map Producing for Groundwater Level using Kriging Interpolation Method

open access: yesJournal of Engineering, 2023
The effect of the initial pressure upon the laminar flame speed, for a methane-air mixtures, has been detected paractically, for a wide range of equivalence ratio.
Alaa Soud Mahdi   +2 more
doaj   +1 more source

Experimental Study on the Effect of Magnetic Fields on Combustion Characteristics of Biodiesel from Nyamplung (Calophyllum Inophyllum)

open access: yesAutomotive Experiences, 2023
Nyamplung (Calophyllum Inophyllum) is an environmentally friendly alternative fuel that can be used to replace the consumption of fossil fuels. The purpose of this experiment was to analyze the effect of magnetic fields on the premixed flame of ...
Imam Rudi Sugara   +4 more
doaj   +1 more source

Laminar Flame Characteristics of C1–C5 Primary Alcohol-Isooctane Blends at Elevated Temperature

open access: yesEnergies, 2016
The laminar combustion characteristics of blends of isooctane and C1–C5 primary alcohols (i.e., methanol, ethanol, n-propanol, n-butanol and n-pentanol) were investigated using the spherical expanding flame methodology in a constant volume chamber at ...
Qianqian Li, Wu Jin, Zuohua Huang
doaj   +1 more source

Laminar flame speed of ethanol/ammonia blends–An experimental and kinetic study

open access: yesFuel Communications, 2022
Blending bio-ethanol with ammonia is an interesting approach to reach carbon-neutrally combustion systems. As a fundamental parameter, laminar flame speed for different blends of ethanol/ammonia is explored using the spherical expanding flame technique ...
Pelé Ronan   +4 more
doaj   +1 more source

Evolution of ammonia reaction mechanisms and modeling parameters: A review

open access: yesApplications in Energy and Combustion Science, 2023
Ammonia (NH3) has been suggested as a fuel to attain zero carbon emissions. However, dealing with ammonia needs careful studies to reveal its limits as a suitable and promising fuel for broad applications within large power requirements.
Alnasif A   +6 more
doaj   +1 more source

Curvature and confinement effects for flame speed measurements in laminar spherical and cylindrical flames [PDF]

open access: yesCombustion and Flame, 2013
This paper discusses methods used to obtain laminar flame speeds in spherical laminar premixed flames. Most recent studies express the laminar flame consumption speed as ρb/ρudR/dt, where R is the flame radius and ρb/ρu is the ratio of the burnt to the fresh gas density (ρb is evaluated at chemical equilibrium and supposed to be constant).
Bonhomme, Adrien   +2 more
openaire   +3 more sources

Numerical Analysis of the Combustible Properties of Sewage Sludge Gasification Gas

open access: yesChemical Engineering Transactions, 2015
Laminar flame speed is an important parameter of the combustion process. It plays a crucial role in issues connected with the flame stability. There are many experimental methods of determination laminar flame speed of gaseous fuels, nevertheless they ...
S. Werle
doaj   +1 more source

A review of the research progress of ammonia combustion enhancement technology

open access: yes能源环境保护, 2023
Under the guidance of the "double carbon strategy", as a new type of zero-carbon fuel, ammonia has gradually attracted attention. To solve the issues of ignition, low flame speed, and narrow flammable range of ammonia combustion, from the basic ...
ZHANG Yu   +5 more
doaj   +1 more source

Effect of CH4–Air Ratios on Gas Explosion Flame Microstructure and Propagation Behaviors

open access: yesEnergies, 2012
To reveal the inner mechanism of gas explosion dynamic behavior affected by gas equivalent concentration, a high speed Schlieren image system and flow field measurement technology was applied to record the gas explosion flame propagation and flame ...
Ying Zhang, Yin Zhang, Xianfeng Chen
doaj   +1 more source

Study on the propagation velocity of methane/air pleated flames based on image processing and fractal interpolation

open access: yesAIP Advances, 2021
A self-developed gas explosion experimental system was used to detonate methane/air mixtures of different concentrations by different ignition methods, and the propagation processes of spherical flames and irregular flames formed by the explosions were ...
Haiyan Wang   +5 more
doaj   +1 more source

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