Results 51 to 60 of about 2,894,075 (299)

Plasma and Magnetic Field Turbulence in the Earth’s Magnetosheath at Ion Scales

open access: yesFrontiers in Astronomy and Space Sciences, 2021
Crossing the Earth’s bow shock is known to crucially affect solar wind plasma including changes in turbulent cascade. The present review summarizes results of more than 15 years of experimental exploration into magnetosheath turbulence.
Liudmila Rakhmanova   +2 more
doaj   +1 more source

Plasma Turbulence

open access: yesReviews of Modern Physics, 1960
"Prepared for the United States Atomic Energy Commission, under AEC Contract AT (04-3)-321, Plasma Turbulence Research." ; At head of title: STL/TR-60-0000-AE038. ; Mode of access: Internet.
openaire   +1 more source

Direct Measurement of the Dissipation Rate Spectrum around Ion Kinetic Scales in Space Plasma Turbulence

open access: yesAstrophysical Journal, 2019
The energy of turbulence in the universe, which cascades from large fluid scales to small kinetic scales, is believed to be dissipated through conversion to thermal or nonthermal kinetic energy.
Jiansen He   +10 more
semanticscholar   +1 more source

Statistical Theory of Plasmas Turbulence [PDF]

open access: yesPlasma and Fusion Research, 2009
We present a statistical theory of intermittency in plasma turbulence based on short-lived coherent structures (instantons). In general, the probability density functions (PDFs) of the flux R are shown to have an exponential scaling P(R) ∝ exp (-cRs ) in the tails.
Kim, E., Anderson, J.
openaire   +3 more sources

Impact of Micro-Scale Stochastic Zonal Flows on the Macro-Scale Visco-Resistive Magnetohydrodynamic Modes

open access: yesMathematics, 2020
A model is developed to simulate micro-scale turbulence driven Zonal Flows (ZFs), and their impact on the Magnetohydrodynamic (MHD) tearing and kink modes is examined.
Sara Moradi, Anantanarayanan Thyagaraja
doaj   +1 more source

Spectral evolution of two-dimensional kinetic plasma turbulence in the wavenumber-frequency domain

open access: yes, 2013
We present a method for studying the evolution of plasma turbulence by tracking dispersion relations in the energy spectrum in the wavenumber-frequency domain. We apply hybrid plasma simulations in a simplified two-dimensional geometry to demonstrate our
Comişel, H.   +3 more
core   +1 more source

Pressure-anisotropy-induced nonlinearities in the kinetic magnetorotational instability [PDF]

open access: yes, 2017
In collisionless and weakly collisional plasmas, such as hot accretion flows onto compact objects, the magnetorotational instability (MRI) can differ significantly from the standard (collisional) MRI.
Kunz, Matthew W.   +2 more
core   +2 more sources

Gyrokinetic continuum simulations of plasma turbulence in the Texas Helimak [PDF]

open access: yesPhysics of Plasmas, 2018
The first gyrokinetic simulations of plasma turbulence in the Texas Helimak device, a simple magnetized torus, are presented. The device has features similar to the scrape-off layer region of tokamaks, such as bad-curvature-driven instabilities and ...
T. Bernard   +6 more
semanticscholar   +1 more source

Parametric dependence of microwave beam broadening by plasma density turbulence

open access: yesNuclear Fusion, 2023
High-power microwave beams used for heating and current drive in magnetically confined fusion plasmas can be broadened significantly by plasma turbulence, negatively impacting the efficiency of the machine.
L.A. Holland   +2 more
doaj   +1 more source

Turbulence and turbulent mixing in natural fluids

open access: yes, 2010
Turbulence and turbulent mixing in natural fluids begins with big bang turbulence powered by spinning combustible combinations of Planck particles and Planck antiparticles. Particle prograde accretions on a spinning pair releases 42% of the particle rest
Burbidge G R   +16 more
core   +1 more source

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