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   Articles with "low swirl" as a keyword



Large-eddy simulation of low-swirl multi-nozzle combustion with co- and counter-swirling arrays

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recommendations! Published in 2019 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-018-1242-1

Abstract: Large-eddy simulation (LES) of CH4-air low-swirl flame was carried out in a multi-nozzle combustor with two burner configurations by using a premixed flamelet model. The multi-nozzle burner includes a co-swirling array where all five nozzles… read more here.

Keywords: swirling array; low swirl; counter swirling; multi nozzle ... See more keywords

Large Eddy Simulation and Acoustic Analysis of Combustion Instability in an Annular Combustor with Low-Swirl Flames

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recommendations! Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.3c10234

Abstract: Self-excited combustion instability in an annular combustor with low-swirl flames is studied with a combination of large eddy simulation (LES) and acoustic solvers. Acoustic analysis with a Helmholtz solver provides an estimate of frequencies and… read more here.

Keywords: combustion; low swirl; mode; annular combustor ... See more keywords

Low swirl premixed methane-air flame dynamics under acoustic excitations

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recommendations! Published in 2019 at "Physics of Fluids"

DOI: 10.1063/1.5118826

Abstract: In this study, simultaneous particle image velocimetry and planar laser induced fluorescence of hydroxyl radical, chemiluminescence imaging, and hot-wire measurements are utilized to study reacting low swirl flow dynamics under low to high amplitude acoustic… read more here.

Keywords: flame dynamics; acoustic excitations; flame; amplitude ... See more keywords
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Effects of Flame Behaviors on Combustion Noise from Lean-Premixed Hydrogen Low-Swirl Flames

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recommendations! Published in 2020 at "AIAA Journal"

DOI: 10.2514/1.j059049

Abstract: This experimental study explored the influence of global/local flame behaviors on direct combustion noise produced by a lean-premixed gaseous H2/air low-swirl turbulent jet flame, with a focus on t... read more here.

Keywords: lean premixed; effects flame; combustion noise; flame behaviors ... See more keywords

Flame Characterization and Flashback Studies of Hydrogen-Enriched Low-Swirl Flames Using High-Speed OH-PLIF

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recommendations! Published in 2025 at "AIAA Journal"

DOI: 10.2514/1.j065783

Abstract: This paper reports the flashback mechanism observed in hydrogen-enriched flames stabilized in a low-swirl burner (LSB) at atmospheric temperature and pressure. The fundamentals of hydrogen-rich stable flames and spatiotemporal information of flashback phenomena were observed… read more here.

Keywords: low swirl; flashback; see text; hydrogen enriched ... See more keywords