Results 181 to 190 of about 258,872 (345)

Importance of Reflected Solar Energy Loaded with SWCNTs-MWCNTs/EG Darcy Porous Stretched Surface: Midrich Scheme

open access: yesEast European Journal of Physics
Saving energy, shortening processing times, maximizing thermal efficiency, and lengthening the life of industrial equipment are all possible outcomes of heating and cooling optimization.
Ramasekhar Gunisetty   +4 more
doaj   +1 more source

Development of a gyrokinetic-MHD energetic particle simulation code Part I: MHD version [PDF]

open access: yesarXiv
A new magnetohydrodynamics (MHD) code based on initial value approach, GMEC_I, has been developed for simulating various MHD physics in tokamak plasmas, as the MHD foundation of the gyrokinetic-MHD energetic particle simulation code (GMEC) family. GMEC_I solves multi-level reduced-MHD models that form a hierarchy of physics complexity, which provide ...
arxiv  

A Ten‐Year Cohort Study on the Stability and Trajectories of Psychiatric Diagnosis in Adolescents and Young Adults in Lazio, Italy

open access: yesInternational Journal of Methods in Psychiatric Research, Volume 34, Issue 2, June 2025.
ABSTRACT Introduction We aimed to evaluate the diagnostic stability of a large spectrum of psychiatric diagnoses in adolescents and young adult patients attending specialised facilities in the Lazio Region (Italy). Methods A total of 3871 subjects (11–35 years) at their first hospitalisation with a psychiatric diagnosis were selected and followed up ...
Anna Forastiere   +4 more
wiley   +1 more source

Thermo-Diffusion and Diffusion-Thermo Effects on MHD Convective Flow Past an Impulsively Started Vertical Plate Embedded in Porous Medium

open access: yesEast European Journal of Physics
This study introduces an analytical solution for the unsteady MHD free convection and mass transfer flow past a vertical plate embedded in porous medium, taking into account the Soret and Dufour effects.
Kangkan Choudhury   +2 more
doaj   +1 more source

VMS Finite Element for MHD and Reduced-MHD in Tokamak Plasmas [PDF]

open access: yes, 2016
The understanding of magnetohydrodynamic (MHD) instabilities is quite essential for the optimization of magnetically confined plasmas, a subject raising increasing interest as tokamak reactor design advances and projects such as ITER (International Thermonuclear Experimental Reactor) develop.
Nkonga, B   +2 more
openaire   +1 more source

Statistical Observations in Support of Bow Shock Current Closure to Earth's High‐Latitude Ionosphere During Non‐Zero IMF By

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 6, June 2025.
Abstract The bow shock current (BSC) plays an important role in supplying the magnetosphere with solar wind energy, in particular during times of low solar wind magnetosonic Mach numbers. Since the magnetic pile‐up in the magnetosheath has to be maintained, the BSC cannot close locally, but must instead connect to magnetospheric current systems ...
G. Nordin   +9 more
wiley   +1 more source

On Liouville type theorems for the stationary MHD and Hall-MHD systems

open access: yes, 2018
In this paper we prove a Liouville type theorem for the stationary magnetohydrodynamics(MHD) system in $\Bbb R^3$. Let $(v, B, p)$ be a smooth solution to the stationary MHD equations in $\Bbb R^3$. We show that if there exist smooth matrix valued potential functions ${\bf }$, ${\bf }$ such that $ \nabla \cdot {\bf } =v$ and $\nabla \cdot {\bf }
Chae, Dongho, Wolf, Joerg
openaire   +2 more sources

Species‐Dependent and Azimuthally‐Directional Flux Changes of Dispersionless Ion Injections Inside Geosynchronous Orbit

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 6, June 2025.
Abstract Dispersionless injection, involving sudden, simultaneous flux enhancements of energetic particles over a broad range of energy, is a characteristic signature of the particles that are experiencing a significant acceleration and/or rapid inward transport process.
T. Motoba, S. Ohtani
wiley   +1 more source

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