Results 21 to 30 of about 28,827 (191)

Magnetohydrodynamic process in solar activity

open access: yesTheoretical and Applied Mechanics Letters, 2014
Magnetohydrodynamics is one of the major disciplines in solar physics. Vigorous magnetohydrodynamic process is taking place in the solar convection zone and atmosphere.
Jingxiu Wang, Jie Jiang
doaj   +1 more source

Numerical modeling of solar wind and coronal mass ejection in the inner heliosphere: A review

open access: yesFrontiers in Astronomy and Space Sciences, 2023
The predictions of plasma parameters in the interplanetary medium are the core of space weather forecasts, and the magnetohydrodynamics (MHD) numerical simulation is an important tool in the prediction of plasma parameters.
Man Zhang   +12 more
doaj   +1 more source

Numerical modeling and experimental validation of the effect of arc distribution on the as-solidified Ti64 ingot in vacuum arc remelting (VAR) process

open access: yesJournal of Materials Research and Technology, 2022
A numerical model coupling electromagnetic field and plasma arc impact with multiphase transport phenomena such as flow, heat transfer and solidification for the vacuum arc remelting (VAR) process is proposed.
E. Karimi-Sibaki   +7 more
doaj  

One-form superfluids & magnetohydrodynamics

open access: yesJournal of High Energy Physics, 2020
We use the framework of generalised global symmetries to study various hydrodynamic regimes of hot electromagnetism. We formulate the hydrodynamic theories with an unbroken or a spontaneously broken U(1) one-form symmetry. The latter of these describes a
Jay Armas, Akash Jain
doaj   +1 more source

Comparing magnetopause predictions from two MHD models during a geomagnetic storm and a quiet period

open access: yesFrontiers in Astronomy and Space Sciences, 2023
Magnetopause location is an important prediction of numerical simulations of the magnetosphere, yet the models can err, either under-predicting or over-predicting the motion of the boundary.
Pauline M. Dredger   +2 more
doaj   +1 more source

A multiphase model for exploring electrochemical Marangoni flow

open access: yesElectrochemistry Communications, 2023
A multiphase numerical model based on the volume of fluid (VOF) method is proposed to simulate the transient, electrochemically-generated Marangoni flow in a system comprising a NaOH electrolyte and a eutectic gallium–indium (EGaIn) metal droplet.
E. Karimi-Sibaki   +6 more
doaj  

Relativistic magnetohydrodynamics

open access: yesJournal of High Energy Physics, 2017
We present the equations of relativistic hydrodynamics coupled to dynamical electromagnetic fields, including the effects of polarization, electric fields, and the derivative expansion.
Juan Hernandez, Pavel Kovtun
doaj   +1 more source

Decay laws for three-dimensional magnetohydrodynamic turbulence [PDF]

open access: yes, 1999
Decay laws for three-dimensional magnetohydrodynamic turbulence are obtained from high-resolution numerical simulations using up to 512^3 modes....
arxiv   +1 more source

Extended Kelvin theorem in relativistic magnetohydrodynamics [PDF]

open access: yesFound.Phys. 31 (2001) 895-907, 2000
We prove the existence of a generalization of Kelvin's circulation theorem in general relativity which is applicable to perfect isentropic magnetohydrodynamic flow. The argument is based on a new version of the Lagrangian for perfect magnetohydrodynamics. We illustrate the new conserved circulation with the example of a relativistic magnetohydrodynamic
arxiv   +1 more source

Numerical study of the thermally stratified hemodynamic nanofluid flow with variable viscosity over a heated wedge

open access: yesFrontiers in Chemistry, 2022
We analyze the steady laminar incompressible boundary-layer magnetohydrodynamic impacts on the nanofluidic flux over a static and mobile wedge in the existence of an applied magnetic field.
Noreen Sher Akbar
doaj   +1 more source

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