Two-Dimensional Complex FFT Analysis of Oscillations in a Thermal Plasma Jet

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.

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Bibliographic Details
Published in:IEEE transactions on plasma science 2011-11, Vol.39 (11), p.2848-2849
Main Authors: Hlina, J., Sonsky, J., Gruber, J., Sekeresova, Z.
Format: Article
Language:English
Subjects:
Acoustics
Boundary layer
Couplings
Diagnostic systems
Fourier transform
Fourier transforms
Frequency modulation
Helmholtz oscillation
Joining
Optical properties
Optical resonators
Oscillations
Oscillators
Plasma physics
Plasmas
Resonant frequency
Shear layers
thermal plasma jet
Thermal plasmas
Thermodynamics
turbulence
Two dimensional
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Description
Summary: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.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2011.2150763