Effect of coupling and linear transformation of waves in shear flows

A new linear mechanism of reciprocal transformation of waves and a corresponding energy transfer in shear flows is discovered. The effect is demonstrated on the simplest example {emdash} the two-dimensional waves in unbounded, parallel hydromagnetic flow with uniform velocity shear. The phenomenon d...

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Veröffentlicht in:	Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 1996-06, Vol.53 (6), p.6028-6031
Hauptverfasser:	Chagelishvili, GD, Rogava, AD, Tsiklauri, DG
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION ABSORPTION SPECTRA ALUMINIUM DISTRIBUTION FUNCTIONS IONIZATION ISOELECTRONIC ATOMS LASER-PRODUCED PLASMA RECOMBINATION X-RAY LASERS
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container_title	Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
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creator	Chagelishvili, GD Rogava, AD Tsiklauri, DG
description	A new linear mechanism of reciprocal transformation of waves and a corresponding energy transfer in shear flows is discovered. The effect is demonstrated on the simplest example {emdash} the two-dimensional waves in unbounded, parallel hydromagnetic flow with uniform velocity shear. The phenomenon discovered is of importance for magnetohydrodynamics and fusion plasma devices and for various terrestrial and astrophysical shear flows. Grasping the result became possible thanks to the nonmodal analyses of the perturbation evolution in the flow. {copyright} {ital 1996 The American Physical Society.}
doi_str_mv	10.1103/physreve.53.6028
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subjects	70 PLASMA PHYSICS AND FUSION ABSORPTION SPECTRA ALUMINIUM DISTRIBUTION FUNCTIONS IONIZATION ISOELECTRONIC ATOMS LASER-PRODUCED PLASMA RECOMBINATION X-RAY LASERS
title	Effect of coupling and linear transformation of waves in shear flows
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