Simultaneous OH-PLIF/PAH-PLIF/LII on high-Reynolds number turbulent jet diffusion flames at elevated pressure

Wesley Boyette; Anthony Bennett; Ramgopal Sampath; Thibault Guiberti; William L. Roberts

Simultaneous OH-PLIF/PAH-PLIF/LII on high-Reynolds number turbulent jet diffusion flames at elevated pressure

Wesley Boyette, Anthony Bennett, Ramgopal Sampath, Thibault Guiberti, William L. Roberts

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

While it is known that the production of soot is highly dependent on pressure, very little experimental data on sooting turbulent flames at elevated pressures exists in the literature. In this study, three piloted turbulent nonpremixed ethylene-nitrogen jet flames are examined over a range of pressures and Reynolds numbers. Simultaneous PLIF/LII is used to characterize the spatial distributions of OH, PAH, and soot. As with previous experiments at atmospheric pressure, all of the flames are characterized by a soot formation region, followed downstream by a region of turbulent mixing, and finally a soot oxidation region. The soot concentration increases with pressure (and Reynolds number), while the soot intermittency decreases. The maximum mean soot volume fraction scales with p2.1.

Original language	English (US)
Title of host publication	12th Asia-Pacific Conference on Combustion, ASPACC 2019
Publisher	Combustion Institute
State	Published - Jan 1 2019

Bibliographical note

KAUST Repository Item: Exported on 2022-02-17
Acknowledgements: The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).

Cite this

@inproceedings{7ed011616e8943eba442dca5c712d2be,

title = "Simultaneous OH-PLIF/PAH-PLIF/LII on high-Reynolds number turbulent jet diffusion flames at elevated pressure",

abstract = "While it is known that the production of soot is highly dependent on pressure, very little experimental data on sooting turbulent flames at elevated pressures exists in the literature. In this study, three piloted turbulent nonpremixed ethylene-nitrogen jet flames are examined over a range of pressures and Reynolds numbers. Simultaneous PLIF/LII is used to characterize the spatial distributions of OH, PAH, and soot. As with previous experiments at atmospheric pressure, all of the flames are characterized by a soot formation region, followed downstream by a region of turbulent mixing, and finally a soot oxidation region. The soot concentration increases with pressure (and Reynolds number), while the soot intermittency decreases. The maximum mean soot volume fraction scales with p2.1.",

author = "Wesley Boyette and Anthony Bennett and Ramgopal Sampath and Thibault Guiberti and Roberts, {William L.}",

note = "KAUST Repository Item: Exported on 2022-02-17 Acknowledgements: The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).",

year = "2019",

month = jan,

day = "1",

language = "English (US)",

booktitle = "12th Asia-Pacific Conference on Combustion, ASPACC 2019",

publisher = "Combustion Institute",

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T1 - Simultaneous OH-PLIF/PAH-PLIF/LII on high-Reynolds number turbulent jet diffusion flames at elevated pressure

AU - Boyette, Wesley

AU - Bennett, Anthony

AU - Sampath, Ramgopal

AU - Guiberti, Thibault

AU - Roberts, William L.

N1 - KAUST Repository Item: Exported on 2022-02-17 Acknowledgements: The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).

PY - 2019/1/1

Y1 - 2019/1/1

N2 - While it is known that the production of soot is highly dependent on pressure, very little experimental data on sooting turbulent flames at elevated pressures exists in the literature. In this study, three piloted turbulent nonpremixed ethylene-nitrogen jet flames are examined over a range of pressures and Reynolds numbers. Simultaneous PLIF/LII is used to characterize the spatial distributions of OH, PAH, and soot. As with previous experiments at atmospheric pressure, all of the flames are characterized by a soot formation region, followed downstream by a region of turbulent mixing, and finally a soot oxidation region. The soot concentration increases with pressure (and Reynolds number), while the soot intermittency decreases. The maximum mean soot volume fraction scales with p2.1.

AB - While it is known that the production of soot is highly dependent on pressure, very little experimental data on sooting turbulent flames at elevated pressures exists in the literature. In this study, three piloted turbulent nonpremixed ethylene-nitrogen jet flames are examined over a range of pressures and Reynolds numbers. Simultaneous PLIF/LII is used to characterize the spatial distributions of OH, PAH, and soot. As with previous experiments at atmospheric pressure, all of the flames are characterized by a soot formation region, followed downstream by a region of turbulent mixing, and finally a soot oxidation region. The soot concentration increases with pressure (and Reynolds number), while the soot intermittency decreases. The maximum mean soot volume fraction scales with p2.1.

UR - http://hdl.handle.net/10754/666460

UR - http://www.combustionsociety.jp/aspacc19/program_final0711.html#CH0238

UR - http://www.scopus.com/inward/record.url?scp=85083952655&partnerID=8YFLogxK

M3 - Conference contribution

BT - 12th Asia-Pacific Conference on Combustion, ASPACC 2019

PB - Combustion Institute

ER -

Simultaneous OH-PLIF/PAH-PLIF/LII on high-Reynolds number turbulent jet diffusion flames at elevated pressure

Abstract

Bibliographical note

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