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Predicting Zonal Flows -- A Comprehensive Reynolds-Stress Response-Functional from First-Principles-Plasma-Turbulence Computations
Reynolds-Stress First-Principles-Plasma-Turbulence
2011/8/31
Turbulence driven zonal flows play an important role in fusion devices since they improve plasma confinement by limiting the level of anomalous transport. Current theories mostly focus on flow excitat...
Tensorial representations of Reynolds-stress redistribution
Tensorial representations Reynolds-stress redistribution
2011/3/2
The purpose of the present note is to contribute in clarifying the relation between representation bases used in the closure for the redistribution (pressure-strain) tensor fi j , and to propose a rep...
Reynolds stress and heat flux in spherical shell convection
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/27
Turbulent fluxes of angular momentum and heat due to rotationally affected convection play a key role in determining differential rotation of stars.
Derivation of a second-order model for Reynolds stress using renormalization group analysis and the two-scale expansion technique
Turbulent modeling Renormalization group Two-scale expansion Reynolds stress transport equation Second-order model
2012/2/29
With the two-scale expansion technique proposed by Yoshizawa, the turbulent fluctuating field is expanded around the isotropic field. At a low-order two-scale expansion, applying the mode coupling app...
A Second-Order Turbulence Model Based on a Reynolds Stress Approach for Two-Phase Flow—Part I：Adiabatic Cases
A Second-Order Turbulence Model Two-Phase Flow
2009/9/3
In our work in 2008, we evaluated the aptitude of the code Neptune_CFD to reproduce the incidence of a structure topped by vanes on a boiling layer, within the framework of the Neptune project. The ob...
On the Representation of Reynolds Stress in Estuaries and Shallow Coastal Seas
Reynolds Stress Estuaries Shallow Coastal Seas
2009/2/8
A model for the representation of the Reynolds-stress tensor in three-dimensional hydrodynamic models of shallow water flows is derived which combines the accuracy of turbulence-energy closure schemes...
Vertical Reynolds Stress Divergence in the Upper Ocean Associated with Linear Wind-Driven, Near-Inertial Waves of Finite Wavelength
Vertical Reynolds Stress Divergence Upper Ocean Linear Wind-Driven Near-Inertial Waves Finite Wavelength
2009/1/12
Study of a schematic linear, wind-driven, inertio–gravity wave model in the upper ocean finds resonant, near-inertial waves of finite horizontal wavelength to have both horizontal and vertical motions...
Eddy Variability in the Kuroshio Extension as Revealed by Geosat Altimetry：Energy Propagation Away from the Jet, Reynolds Stress, and Seasonal Cycle
Exact Repeat Mission Eddy Variability Seasonal Cycle Reynolds Stress
2008/12/30
Altimetric sea level data around the Kuroshio Extension, collected during the first year of the Geosat Exact Repeat Mission (ERM) (starting in November 1986), have been analyzed for energy propagation...
Reynolds Stress and Turbulent Energy Production in a Tidal Channel
Reynolds Stress Turbulent Energy Tidal Channel
2008/6/6
A high-frequency (1.2 MHz) acoustic Doppler current profiler (ADCP) moored on the seabed has been used to observe the mean and turbulent flow components in a narrow tidally energetic channel over six ...