DocumentCode :
3561366
Title :
Laser Diagnostic Imaging of Energetically Enhanced Flames Using Direct Microwave Plasma Coupling
Author :
Rao, Xing ; Hammack, Stephen ; Carter, Campbell ; Lee, Tonghun
Author_Institution :
Rare Isotope Beams, Michigan State Univ., East Lansing, MI, USA
Volume :
39
Issue :
11
fYear :
2011
Firstpage :
2354
Lastpage :
2355
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 :
Rayleigh scattering; combustion; flames; high-frequency discharges; plasma chemistry; plasma diagnostics; plasma temperature; coaxial reactor system; combustion stabilization analysis; direct microwave plasma coupling; energetically enhanced flame analysis; flame reaction zone; frequency 2.45 GHz; harsh operating condition; hydroxyl concentration; hypersonic flame condition; laser diagnostic imaging; microwave waveguide; nonthermal microwave plasma discharge; planar Rayleigh scattering thermometry; planar laser-induced fluorescence; plasma jet; plasma temperature; plasma-enhanced flames; Combustion; Discharges; Masers; Microwave imaging; Plasma temperature; Rayleigh scattering; Laser-induced fluorescence; Rayleigh scattering; nonequilibrium microwave plasma; plasma-enhanced combustion;
fLanguage :
English
Journal_Title :
Plasma Science, IEEE Transactions on
Publisher :
ieee
Conference_Location :
5/19/2011 12:00:00 AM
ISSN :
0093-3813
Type :
jour
DOI :
10.1109/TPS.2011.2148180
Filename :
5771602
Link To Document :
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