Results 41 to 50 of about 60,483 (231)

Turbulence decay in the density-stratified intracluster medium

open access: yes, 2019
Turbulence evolution in a density-stratified medium differs from that of homogeneous isotropic turbulence described by the Kolmogorov picture. We evaluate the degree of this effect in the intracluster medium (ICM) with hydrodynamical simulations. We find
Shi, Xun, Zhang, Congyao
core   +1 more source

The influence of a mean magnetic field on three-dimensional magnetohydrodynamic turbulence [PDF]

open access: yes, 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 ...
Matthaeus, William H.   +2 more
core   +2 more sources

Turbulent Prandtl number from isotropically forced turbulence

open access: yesJournal of Fluid Mechanics, 2022
Turbulent motions enhance the diffusion of large-scale flows and temperature gradients. Such diffusion is often parameterized by coefficients of turbulent viscosity ( $\nu _{t}$ ) and turbulent thermal diffusivity ( $\chi _{t}$ ) that are analogous to their microscopic counterparts.
Petri J. Käpylä, Nishant K. Singh
openaire   +3 more sources

Jackson R. Herring and the Statistical Closure Problem of Turbulence: A Review of Renormalized Perturbation Theories

open access: yesAtmosphere, 2023
The pioneering applications of the methods of theoretical physics to the turbulence statistical closure problem are summarised. These are: the direct-interaction approximation (DIA) of Kraichnan, the self-consistent-field theory of Edwards, and the self ...
David McComb
doaj   +1 more source

Analytical theory of forced rotating sheared turbulence: The parallel case [PDF]

open access: yes, 2008
Forced turbulence combined with the effect of rotation and shear flow is studied. In a previous paper [N. Leprovost and E. J. Kim, Phys. Rev. E 78, 016301 (2008)], we considered the case where the shear and the rotation are perpendicular.
A. A. Townsend   +11 more
core   +5 more sources

Computational Modeling Meets 3D Bioprinting: Emerging Synergies in Cardiovascular Disease Modeling

open access: yesAdvanced Healthcare Materials, EarlyView.
Emerging advances in three‐dimensional bioprinting and computational modeling are reshaping cardiovascular (CV) research by enabling more realistic, patient‐specific tissue platforms. This review surveys cutting‐edge approaches that merge biomimetic CV constructs with computational simulations to overcome the limitations of traditional models, improve ...
Tanmay Mukherjee   +7 more
wiley   +1 more source

Unlocking Plant‐Derived Potential: Regulating Microcrystalline Structure Design of High‐performance Hard Carbon Anodes via Cellulose Molecules

open access: yesAdvanced Science, EarlyView.
The microcrystalline structure of hard carbon derived from green sandalwood is modulated by controlling the steric hindrance effect of the precursor, thereby significantly enhancing ion diffusion kinetics. When utilized in sodium‐ion batteries, it demonstrates excellent cycle life, exceeding 7000 cycles, as well as superior low‐temperature performance,
Xiping Zhang   +4 more
wiley   +1 more source

Energy transfer and vortex structures: visualizing the incompressible turbulent energy cascade

open access: yesNew Journal of Physics, 2023
The transfer of kinetic energy from large to small scales is a hallmark of turbulent flows. Yet, a precise mechanistic description of this transfer, which is expected to occur via an energy cascade, is still missing.
Ryan McKeown   +4 more
doaj   +1 more source

Ductile Breakup of Tracer Aggregates in Homogenous Isotropic Turbulence

open access: yesChemical Engineering Transactions, 2023
In this paper we study the ductile breakup of tracer aggregates in an incompressible, homogeneous, and isotropic three-dimensional turbulent flow. The flow dynamics is studied by means of a direct numerical simulation, whereas the Lagrangian velocities ...
Graziano Frungieri   +3 more
doaj   +1 more source

Droplet size distribution in homogeneous isotropic turbulence [PDF]

open access: yes, 2011
We study the physics of droplet breakup in a statistically stationary homogeneous and isotropic turbulent flow by means of high resolution numerical investigations based on the multicomponent lattice Boltzmann method.
Federico Toschi   +7 more
core   +2 more sources

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