Results 11 to 20 of about 10,643 (314)

Nocturnal boundary layer turbulence regimes analysis during the BLLAST campaign [PDF]

open access: yesAtmospheric Chemistry and Physics, 2019
A night-time turbulence regime classification, the so-called “HOckey-Stick Transition ” (HOST) theory, proposed by Sun et al. (2012) from the Cooperative Atmosphere–Surface Exchange Study-1999 (CASES-99) is explored using data from the Boundary-Layer ...
J. Yus-Díez   +7 more
doaj   +1 more source

An Introduction to Particle Acceleration in Shearing Flows

open access: yesGalaxies, 2019
Shear flows are ubiquitously present in space and astrophysical plasmas. This paper highlights the central idea of the non-thermal acceleration of charged particles in shearing flows and reviews some of the recent developments.
Frank M. Rieger
doaj   +1 more source

Three-dimensional smoothed particle hydrodynamics modeling of near-shore current flows over rough topographic surface

open access: yesFrontiers in Marine Science, 2022
In this study, a three-dimensional (3D) numerical model based on the smoothed particle hydrodynamics (SPH) approach was developed to simulate the near-shore current flows over a rough topographic surface in the coastal area, where the flows are shallow ...
Eslam Gabreil   +11 more
doaj   +1 more source

Atmospheric Turbulence Effects on Wind-Turbine Wakes: An LES Study

open access: yesEnergies, 2012
A numerical study of atmospheric turbulence effects on wind-turbine wakes is presented. Large-eddy simulations of neutrally-stratified atmospheric boundary layer flows through stand-alone wind turbines were performed over homogeneous flat surfaces with ...
Yu-Ting Wu, Fernando Porté-Agel
doaj   +1 more source

Turbulent shear flow of solids [PDF]

open access: yes, 2021
Abstract The term ‘solid-state turbulence’ may sound like an oxymoron, but in fact it is not. In this article we demonstrate that solid-state turbulence may emerge owing to a defining property of the solid state: the ability of a solid to retain its shape.
Yan Beygelzimer   +3 more
openaire   +2 more sources

Developments in turbulence research: a review based on the 1999 Programme of the Isaac Newton Institute, Cambridge [PDF]

open access: yes, 2001
Recent research is making progress in framing more precisely the basic dynamical and statistical questions about turbulence and in answering them.
Vassilicos, J. C.   +11 more
core   +1 more source

Supertransient Magnetohydrodynamic Turbulence in Keplerian Shear Flows [PDF]

open access: yesPhysical Review Letters, 2010
4 pages, 5 figures, accepted for publication in Physical Review ...
Rempel, Erico L.   +2 more
openaire   +5 more sources

The effect of compressibility on turbulent shear flow: a rapid-distortion-theory and direct-numerical-simulation study [PDF]

open access: yes, 1997
The influence of compressibility upon the structure of homogeneous sheared turbulence is investigated. For the case in which the rate of shear is much larger than the rate of nonlinear interactions of the turbulence, the modification caused by ...
Coleman, G.N., Cambon, C., Simone, A.
core   +1 more source

Polymer stress tensor in turbulent shear flows [PDF]

open access: yesPhysical Review E, 2005
The interaction of polymers with turbulent shear flows is examined. We focus on the structure of the elastic stress tensor, which is proportional to the polymer conformation tensor. We examine this object in turbulent flows of increasing complexity.
L'vov, Victor S.   +3 more
openaire   +3 more sources

Global bifurcations to subcritical magnetorotational dynamo action in Keplerian shear flow [PDF]

open access: yes, 2013
Magnetorotational dynamo action in Keplerian shear flow is a three-dimensional, non-linear magnetohydrodynamic process whose study is relevant to the understanding of accretion processes and magnetic field generation in astrophysics.
Cossu, Carlo   +12 more
core   +1 more source

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