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   Articles with "equivalence ratio" as a keyword



Experimental investigation of premixed combustion and thermal efficiency in a porous heating burner

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recommendations! Published in 2020 at "International Journal of Energy Research"

DOI: 10.1002/er.5880

Abstract: In the present research, thermal efficiency and the amount of pollutant emissions of a metallic porous burner with a heat exchanger were investigated experimentally. A very important issue about these burners is the stability of… read more here.

Keywords: thermal efficiency; thermal power; amount; equivalence ratio ... See more keywords

Experimental study on the effect of equivalence ratio and injector position on flow structure and flame development in the scramjet combustor

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recommendations! Published in 2018 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2018.08.026

Abstract: Abstract In order to understand the combustion characteristic clearly in the scramjet combustor, the effect of equivalence ratio and injector position on flow structure and flame development in a hydrogen fueled scramjet combustor was investigated… read more here.

Keywords: equivalence ratio; flow structure; flame; flow ... See more keywords

Chemiluminescence signature of premixed ammonia-methane-air flames

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recommendations! Published in 2021 at "Combustion and Flame"

DOI: 10.1016/j.combustflame.2021.111508

Abstract: Abstract This paper reports on the chemiluminescence footprint of premixed ammonia-methane-air flames. The chemiluminescence spectrum of laminar twin-flames stabilized with a counterflow burner were measured between 200 and 457 nm for large ranges of equivalence ratio… read more here.

Keywords: equivalence ratio; ammonia methane; ammonia fraction; chemiluminescence ... See more keywords

Experimental investigation on the effect of equivalence ratio on the development of cellular structure of E30-air mixture

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recommendations! Published in 2021 at "Experimental Thermal and Fluid Science"

DOI: 10.1016/j.expthermflusci.2020.110330

Abstract: Abstract Ethanol is a renewable, clean fuel and is usually blended with gasoline to be used as an alternative fuel for internal combustion engines. In the present study, the instability development and cellular structure evolution… read more here.

Keywords: cellular structure; development cellular; equivalence ratio; structure ... See more keywords

Prediction of equivalence ratio in pulse combustor from ion current amplitude spectrum

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recommendations! Published in 2018 at "Fuel"

DOI: 10.1016/j.fuel.2018.01.004

Abstract: Abstract This study presents a method for the prediction of equivalence ratio in pulse combustor from the ion current amplitude spectrum measured by a multi-frequency ion current sensor supplemented with principal component analysis (PCA) and… read more here.

Keywords: ion current; ion; equivalence ratio; amplitude spectrum ... See more keywords

Experimental correlation of laminar flame pollutant emission indices with methyl ester fuel degree of unsaturation and equivalence ratio

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recommendations! Published in 2019 at "Fuel"

DOI: 10.1016/j.fuel.2018.10.107

Abstract: Abstract Fuel unsaturation has been widely cited as a reason for the increased nitric oxide emissions from compression ignition engines when fueled with methyl esters (biodiesels) and their blends with petroleum counterparts. In an earlier… read more here.

Keywords: equivalence ratio; fuel unsaturation; equivalence; unsaturation ... See more keywords
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The dependence of NTC behavior on the equivalence ratio and nitrogen fraction in cool flame region

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recommendations! Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.117623

Abstract: Abstract Using propane (which issues a cool flame at low temperature oxidation) as the archetype of the higher alkanes, comprehensive computational research, with detailed mechanisms and theoretical analysis, was implemented to investigate the controlling points… read more here.

Keywords: nitrogen; equivalence; cool flame; equivalence ratio ... See more keywords

A numerical study on combustion and emission characteristics of premixed hydrogen air flames

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recommendations! Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.07.017

Abstract: Abstract Main challenges for micro power generators that utilize combustion process for energy production are inadequate residence time, destructive radical wall interactions and intensified heat loss which are mainly rooted from size limitation of such… read more here.

Keywords: hydrogen air; combustion; equivalence ratio; hydrogen ... See more keywords
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Lean-burn characteristics of a turbocharged opposed rotary piston engine fuelled with hydrogen at low engine speed conditions

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recommendations! Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.09.167

Abstract: Abstract Opposed rotary piston (ORP) engines have high power density and compact designs which meet the requirements of power sources of hybrid vehicles. Hydrogen applications to ORP engines can effectively decrease greenhouse gas emissions; however,… read more here.

Keywords: engine speed; engine; equivalence ratio; lean burn ... See more keywords

Explosion characteristics of methane-ethane mixtures in air

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recommendations! Published in 2017 at "Journal of Loss Prevention in The Process Industries"

DOI: 10.1016/j.jlp.2016.11.012

Abstract: Abstract Experiments were systematically performed in a standard 20-L spherical vessel to measure the explosion parameters of different methane-ethane/air mixtures. Data were scrutinized and carefully compared to elucidate the explosion characteristics. Firstly, it turns out… read more here.

Keywords: ethane; equivalence ratio; air; explosion ... See more keywords

Flame equivalence ratio measurement using data fusion based on laser-induced plasma spectra and acoustic signals

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recommendations! Published in 2025 at "Journal of Analytical Atomic Spectrometry"

DOI: 10.1039/d5ja00036j

Abstract: Laser-induced breakdown spectroscopy (LIBS) has been proven to be employed in combustion diagnostics. However, the detection performance of flame equivalence ratios by LIBS could be further improved, since the equivalence... read more here.

Keywords: equivalence ratio; equivalence; flame equivalence; laser induced ... See more keywords