Results 41 to 50 of about 258,357 (262)

Theory of Fluid Instabilities in Partially Ionized Plasmas: An Overview

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Partially ionized plasmas (PIP) are essential constituents of many astrophysical environments, including the solar atmosphere, the interstellar medium, molecular clouds, accretion disks, planet ionospheres, cometary tails, etc., where the ionization ...
Roberto Soler   +3 more
doaj   +1 more source

Mean--field electrodynamics: Critical analysis of various analytical approaches to the mean electromotive force [PDF]

open access: yes, 2006
There are various analytical approaches to the mean electromotive force $\cal E =$ crucial in mean--field electrodynamics, with $\vec{u}$ and $\vec{b}$ being velocity and magnetic field fluctuations.
Raedler, Karl-Heinz   +1 more
core   +2 more sources

Connecting astrophysics to laboratory fluid dynamics - Astrophysical thermonuclear flashes

open access: yes30th Fluid Dynamics Conference, 1999
We discuss the strategy followed by the Center for Astrophysical Thermonuclear Flashes in validating codes designed for thermonuclear burning on the surfaces or the interior of evolved compact stars. As an illustration, we discuss in some detail our progress in simulating Rayleigh-Taylor mixing relevant to Type la supernovae. © 1999 by The Univ.
Rosner, R.   +8 more
openaire   +2 more sources

Electron-scale shear instabilities: magnetic field generation and particle acceleration in astrophysical jets [PDF]

open access: yes, 2014
Strong shear flow regions found in astrophysical jets are shown to be important dissipation regions, where the shear flow kinetic energy is converted into electric and magnetic field energy via shear instabilities.
Alves, E. P.   +3 more
core   +2 more sources

A Two-Fluid Method for Ambipolar Diffusion

open access: yes, 2008
We present a semi-implicit method for isothermal two-fluid ion-neutral ambipolar drift that is second-order accurate in space and time. The method has been implemented in the RIEMANN code for astrophysical fluid dynamics.
Balsara   +45 more
core   +1 more source

Shape and size of large-scale vortices: A generic fluid pattern in geophysical fluid dynamics [PDF]

open access: yesPhysical Review Research, 2019
Planetary rotation organizes fluid motions into coherent, long-lived swirls, known as large-scale vortices (LSVs), which play an important role in the dynamics and long-term evolution of geophysical and astrophysical fluids.
L. Couston   +3 more
semanticscholar   +1 more source

Onset of Convection in Rotating Spherical Shells: Variations With Radius Ratio

open access: yesEarth and Space Science, 2023
Convection in rotating spherical layers of fluid is ubiquitous in spherical astrophysical objects like planets and stars. A complete understanding of the magnetohydrodynamics requires understanding of the linear problem—when convection onsets in these ...
A. Barik   +4 more
doaj   +1 more source

An introduction to relativistic hydrodynamics

open access: yes, 2006
This lecture provides some introduction to perfect fluid dynamics within the framework of general relativity. The presentation is based on the Carter-Lichnerowicz approach.
Gourgoulhon, Eric
core   +1 more source

The two-fluid dynamics and energetics of the asymmetric magnetic reconnection in laboratory and space plasmas

open access: yesNature Communications, 2018
Magnetic energy in the plasma is transferred into particle energy by magnetic reconnection. Here the authors show the two-fluid dynamics of asymmetric magnetic reconnection in two different spatial scales of plasma, namely laboratory and astrophysical ...
M. Yamada   +13 more
doaj   +1 more source

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