Laser diagnostic imaging of energetically enhanced flames using direct microwave plasma coupling

Xing Rao; Stephen Hammack; Campbell Carter; Tonghun Lee

doi:10.1109/TPS.2011.2148180

Laser diagnostic imaging of energetically enhanced flames using direct microwave plasma coupling

Xing Rao, Stephen Hammack, Campbell Carter, Tonghun Lee

Research output: Contribution to journal › Article › peer-review

Abstract

Quantitative images of temperature and hydroxyl (OH) concentrations are presented in plasma-enhanced flames, where a nonthermal microwave plasma discharge is coupled directly with the reaction zone of the flame. The plasma jet is generated through a novel microwave (2.45 GHz) waveguide based a coaxial reactor system. Planar laser-induced fluorescence is used to generate the OH fields, and planar Rayleigh scattering thermometry is used for the temperature. Plasma-enhanced flames present new possibilities for ignition and flame holding under harsh operating conditions, including stabilization of combustion in hypersonic flame conditions.

Original language	English (US)
Article number	5771602
Pages (from-to)	2354-2355
Number of pages	2
Journal	IEEE Transactions on Plasma Science
Volume	39
Issue number	11 PART 1
DOIs	https://doi.org/10.1109/TPS.2011.2148180
State	Published - Nov 1 2011
Externally published	Yes

Keywords

Laser-induced fluorescence
Rayleigh scattering
nonequilibrium microwave plasma
plasma-enhanced combustion

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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title = "Laser diagnostic imaging of energetically enhanced flames using direct microwave plasma coupling",

abstract = "Quantitative images of temperature and hydroxyl (OH) concentrations are presented in plasma-enhanced flames, where a nonthermal microwave plasma discharge is coupled directly with the reaction zone of the flame. The plasma jet is generated through a novel microwave (2.45 GHz) waveguide based a coaxial reactor system. Planar laser-induced fluorescence is used to generate the OH fields, and planar Rayleigh scattering thermometry is used for the temperature. Plasma-enhanced flames present new possibilities for ignition and flame holding under harsh operating conditions, including stabilization of combustion in hypersonic flame conditions.",

keywords = "Laser-induced fluorescence, Rayleigh scattering, nonequilibrium microwave plasma, plasma-enhanced combustion",

author = "Xing Rao and Stephen Hammack and Campbell Carter and Tonghun Lee",

year = "2011",

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doi = "10.1109/TPS.2011.2148180",

language = "English (US)",

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T1 - Laser diagnostic imaging of energetically enhanced flames using direct microwave plasma coupling

AU - Rao, Xing

AU - Hammack, Stephen

AU - Carter, Campbell

AU - Lee, Tonghun

PY - 2011/11/1

Y1 - 2011/11/1

N2 - Quantitative images of temperature and hydroxyl (OH) concentrations are presented in plasma-enhanced flames, where a nonthermal microwave plasma discharge is coupled directly with the reaction zone of the flame. The plasma jet is generated through a novel microwave (2.45 GHz) waveguide based a coaxial reactor system. Planar laser-induced fluorescence is used to generate the OH fields, and planar Rayleigh scattering thermometry is used for the temperature. Plasma-enhanced flames present new possibilities for ignition and flame holding under harsh operating conditions, including stabilization of combustion in hypersonic flame conditions.

AB - Quantitative images of temperature and hydroxyl (OH) concentrations are presented in plasma-enhanced flames, where a nonthermal microwave plasma discharge is coupled directly with the reaction zone of the flame. The plasma jet is generated through a novel microwave (2.45 GHz) waveguide based a coaxial reactor system. Planar laser-induced fluorescence is used to generate the OH fields, and planar Rayleigh scattering thermometry is used for the temperature. Plasma-enhanced flames present new possibilities for ignition and flame holding under harsh operating conditions, including stabilization of combustion in hypersonic flame conditions.

KW - Laser-induced fluorescence

KW - Rayleigh scattering

KW - nonequilibrium microwave plasma

KW - plasma-enhanced combustion

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