Title :
Two-Dimensional Complex FFT Analysis of Oscillations in a Thermal Plasma Jet
Author :
Jan Hlina;Jiří Sonsky;Jan Gruber;Zuzana Sekeresova
Author_Institution :
Institute of Thermomechanics, Academy of Sciences of the Czech Republic, Praha 8, Czech Republic
Abstract :
Multidirectional optical diagnostics combined with complex fast Fourier transform analysis have been used for investigations of oscillation phenomena in a thermal plasma jet. The results show possible coupling between the Helmholtz and boundary shear layer oscillations.
Keywords :
"Plasmas","Oscillators","Frequency modulation","Couplings","Resonant frequency","Optical resonators","Acoustics"
Journal_Title :
IEEE Transactions on Plasma Science
DOI :
10.1109/TPS.2011.2150763
