Temporal evolution of drift-type modes in plasma flows with strong time-dependent velocity shear
V.S. Mikhailenko, V.V. Mikhailenko, K.N. Stepanov
TL;DR
This paper develops a time-domain analysis of drift-type modes in plasma flows with strong, time-dependent velocity shear, capturing the evolution without spectral decomposition and considering flow variations on turbulent time scales.
Contribution
It introduces a novel time-domain approach to analyze drift modes in plasma flows with dynamic shear, accommodating rapid flow variations.
Findings
Mode growth rates depend on time-varying shear
Nonlinear effects modify mode evolution
Flow velocity variations influence turbulence dynamics
Abstract
The linear and renormalized nonlinear analysis of the temporal evolution of drift-type modes in plasma flows with strong time-varying velocity shear is developed. Analysis is performed in the time domain without spectral decomposition in time and admits time variation of the flow velocity with time scales which may be comparable with turbulent time scales. 52.35.Ra
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Taxonomy
TopicsFluid Dynamics and Turbulent Flows · Meteorological Phenomena and Simulations · Computational Fluid Dynamics and Aerodynamics