Results 41 to 50 of about 4,318 (239)
Kinetic helicity and MHD turbulence
, 2000 The issue of dynamical anisotropy in helical three-dimensional magnetohydrodynamic turbulence with a mean magnetic field B₀ is investigated. Using high-resolution direct numerical simulations, we follow the evolution of various isotropic initial states ...
Oughton, Sean, Prandi, Rossella
core +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This article investigates the Soret–Dufour cross‐diffusion effects on radiation‐absorptive unsteady free‐convection of magnetized nanofluids (TiO2–water$$ {\mathrm{TiO}}_2\hbox{--} \mathrm{water} $$ and Cu–water$$ \mathrm{Cu}\hbox{--} \mathrm{water} $$) flow over a vertical moving permeable plate.
B. Prabhakar Reddy +2 more
wiley +1 more source
Mathematical approach for optimization of magnetohydrodynamic circulation system
Nuclear Engineering and Technology, 2019 The geometrical and electromagnetic variables of a rectangular-type magnetohydrodynamic (MHD) circulation system are optimized to solve MHD equations for the active decay heat removal system of a prototype Gen-IV sodium fast reactor.
Geun Hyeong Lee, Hee Reyoung Kim
doaj +1 more source
Smagorinsky constant in LES modeling of anisotropic MHD turbulence
, 2008 Turbulent fluctuations in magnetohydrodynamic (MHD) flows can become strongly anisotropic or even quasi-2D under the action of an applied magnetic field. We investigate this phenomenon in the case of low magnetic Reynolds numbers.
Vorobev, Anatoliy, Zikanov, Oleg
core +1 more source
Effect of Magnetic Islands on Neoclassical Heat Diffusivity in a Global Tokamak Simulation
Contributions to Plasma Physics, EarlyView.ABSTRACT Resonant magnetic perturbations (RMPs) alter magnetic field topology via island formation and can modify core transport in toroidal fusion devices. Using the global gyrokinetic particle‐in‐cell code XGC‐S, originally developed for stellarator geometries, we quantify how island topology affects neoclassical heat transport in a circular tokamak ...
Joseph X. Li +5 more
wiley +1 more source
The complexity of the day-side X-line during southward interplanetary magnetic field
Frontiers in Astronomy and Space Sciences, 2023 High-resolution global magnetohydrodynamics (MHD) simulations include both meso- and global-scale processes occurring at the magnetopause, which interact to determine the time-dependent orientation of the day-side x-line (DXL).
Brandon L. Burkholder +9 more
doaj +1 more source
The influence of a mean magnetic field on three-dimensional magnetohydrodynamic turbulence
, 1994 Building on results from two-dimensional magnetohydrodynamic (MHD) turbulence (Shebalin, Matthaeus & Montgomery 1983), the development of anisotropic states from initially isotropic ones is investigated numerically for fully three-dimensional ...
Priest, Eric R. +2 more
core +1 more source
Collisional and viscous damping of MHD waves in partially ionized plasmas of the solar atmosphere [PDF]
, 2004 Magnetohydrodynamic (MHD) waves are widely considered as a possible source of heating for various parts of the outer solar atmosphere. Among the main energy dissipation mechanisms which convert the energy of damped MHD waves into thermal energy are ...
Rucker, H. O. (Helmut O.) +7 more
core +1 more source
Droplet, EarlyView.Bubble dynamics pose critical bottlenecks to hydrogen evolution reaction efficiency, causing active site isolation, increased ohmic resistance, and concentration overpotential, especially at high current densities. This review comprehensively summarizes passive and active bubble manipulation strategies, elucidates their underlying principles, and ...
Ziwei Guo +10 more
wiley +1 more source
Infiltration of MHD liquid into a deformable porous material
Results in Physics, 2018 We analyze the capillary rise dynamics for magnetohydrodynamics (MHD) fluid flow through deformable porous material in the presence of gravity effects.
Anum Naseem +3 more
doaj +1 more source