Results 31 to 40 of about 126,405 (295)

Can IR Images of the Water Surface Be Used to Quantify the Energy Spectrum and the Turbulent Kinetic Energy Dissipation Rate?

open access: yesSensors, 2023
Near-surface oceanic turbulence plays an important role in the exchange of mass, momentum, and energy between the atmosphere and the ocean. The climate modifying the air–sea CO2 transfer rate varies linearly with the surface turbulent kinetic energy ...
Shelby L. Metoyer, Darek J. Bogucki
doaj   +1 more source

Compressible Turbulence: The Cascade and its Locality

open access: yes, 2011
We prove that inter-scale transfer of kinetic energy in compressible turbulence is dominated by local interactions. In particular, our results preclude direct transfer of kinetic energy from large-scales directly to dissipation scales, such as into ...
Aluie, Hussein
core   +1 more source

Magnetic-reconnection-driven Turbulence and Turbulent Reconnection Acceleration

open access: yesThe Astrophysical Journal, 2023
This paper employs an MHD-PIC method to perform numerical simulations of magnetic-reconnection-driven turbulence and turbulent reconnection acceleration of particles.
Shi-Min Liang   +3 more
doaj   +1 more source

A new dynamic subgrid-scale model using artificial neural network for compressible flow

open access: yesTheoretical and Applied Mechanics Letters, 2022
The subgrid-scale (SGS) kinetic energy has been used to predict the SGS stress in compressible flow and it was resolved through the SGS kinetic energy transport equation in past studies.
Han Qi   +3 more
doaj   +1 more source

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

Formation of Turbulent and Magnetized Molecular Clouds via Accretion Flows of HI Clouds

open access: yes, 2012
Using 3D MHD simulation with the effects of radiative cooling/heating, chemical reactions, and thermal conduction, we investigate the formation of molecular cloud in the ISM.
Blitz   +50 more
core   +1 more source

Continuous‐Flow Photocatalytic Degradation of Glyphosate and Aminomethylphosphonic Acid Under Simulated Sunlight with TiO2‐Coated Poly(vinylidene fluoride) Membrane

open access: yesAdvanced Functional Materials, EarlyView.
Glyphosate (GLY) and its primary metabolite, aminomethylphosphonic acid (AMPA), are photodegraded using a poly(vinylidene fluoride) membrane with immobilized titanium dioxide (PVDF‐TiO2) in a continuous flow‐through operation under solar light. At optimized conditions, the PVDF‐TiO2 membrane achieved 95% GLY and 80% AMPA removal with •O2− as the ...
Phuong B. Trinh   +4 more
wiley   +1 more source

Shell to shell energy transfer in MHD, Part I: steady state turbulence

open access: yes, 2005
We investigate the transfer of energy from large scales to small scales in fully developed forced three-dimensional MHD-turbulence by analyzing the results of direct numerical simulations in the absence of an externally imposed uniform magnetic field ...
A. N. Kolmogorov   +7 more
core   +1 more source

A Self‐Curling Si3N4‐Biofunctionalized Nerve Wrap for Suture‐Free Peripheral Nerve Repair with Multimodal Regenerative Bioregulation

open access: yesAdvanced Functional Materials, EarlyView.
Si3N4‐enhanced bioactive nanostructured adhesive wrap enables rapid conduit formation in wet environments, simplifying surgical procedures. Incorporated Si3N4 undergoes controlled hydrolysis within nanofibers, multi‐directionally modulating the peripheral nerve repair microenvironment for effective suture‐free repair.
Pengchao Ma   +10 more
wiley   +1 more source

Hydrodynamics affected by submerged vegetation with different flexibility under unidirectional flow

open access: yesFrontiers in Marine Science, 2023
Submerged vegetation changes the hydrodynamic characteristics of rivers, lakes, wetlands, and coastal zones. However, only a few studies have focused on the effect of flexible submerged vegetation on hydrodynamic characteristics under unidirectional flow.
Chenhui Wu   +9 more
doaj   +1 more source

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