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Two-Dimensional Turbulence

Two-dimensional turbulence: a physicist approach

Two-dimensional turbulence: a physicist approach

... on two-dimensional ...hydrodynamic turbulence looks as a cemetery for a number of ideas that turned out to be outrageously success- ful in other areas of condensed matter ...

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Vortical control of forced two dimensional turbulence

Vortical control of forced two dimensional turbulence

... layer-wise two-dimensional flow with varying degrees of vertical coherence; high Reynolds number, two-dimensional turbulence is commonly considered as one of the simplest models to ...

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Vortex scaling ranges in two-dimensional turbulence

Vortex scaling ranges in two-dimensional turbulence

... of two-dimensional turbulence can be modelled using concepts familiar from inertial range ...quasi-geostrophic turbulence 47 , which for constant Coriolis and buoyancy frequencies may be ...

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Vortex scaling ranges in two dimensional turbulence

Vortex scaling ranges in two dimensional turbulence

... of two-dimensional turbulence can be modelled using concepts familiar from inertial range ...quasi-geostrophic turbulence 47 , which for constant Coriolis and buoyancy frequencies may be ...

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Revisiting Batchelor's theory of two dimensional turbulence

Revisiting Batchelor's theory of two dimensional turbulence

... of two-dimensional turbulence proposed by Batchelor ...freely-decaying turbulence, and which has evidently been successful in describing certain aspects of numerical simulations at high ...

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Craig's XY distribution and the statistics of Lagrangian power in two dimensional turbulence

Craig's XY distribution and the statistics of Lagrangian power in two dimensional turbulence

... stationary twodimensional (2D) turbulence in the Lagrangian ...generating twodimensional turbulence in the ...of two correlated normal ...

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Particle dispersion processes in two-dimensional turbulence: a comparison with 2-D kinematic simulation.

Particle dispersion processes in two-dimensional turbulence: a comparison with 2-D kinematic simulation.

... The Richardson’s law appears as quite robust behaviour for the relative dispersion in DNS Lagrangian experiments provided that the initial separation is small enough. Our in- terpretation is that the t 3 dependency for ...

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Study on Direct Numerical Simulation of Two dimensional Turbulence

Study on Direct Numerical Simulation of Two dimensional Turbulence

... 2D turbulence, Direct numerical simulation, Vorticity-stream function ...Abstract. Turbulence is one of the unsolved problems in fluid ...3D turbulence is very complex and difficult to achieve; while ...

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Rigorous results in space-periodic two-dimensional turbulence

Rigorous results in space-periodic two-dimensional turbulence

... (Received 17 July 2017; accepted 10 November 2017; published online 26 December 2017) We survey the recent advance in the rigorous qualitative theory of the 2d stochastic Navier–Stokes system that is relevant to the ...

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Cascades, backscatter and conservation in numerical models of two‐dimensional turbulence

Cascades, backscatter and conservation in numerical models of two‐dimensional turbulence

... The results found here are suggestive of how to approach the problem in more complex equation sets and three-dimensional atmospheric models. Nevertheless, there are some caveats. As a practical matter, the ...

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The Decay of a Weak Large-Scale Magnetic Field in Two-dimensional Turbulence

The Decay of a Weak Large-Scale Magnetic Field in Two-dimensional Turbulence

... in two-dimensional MHD ...allows two important properties of turbulent fl ows to be captured, particularly when attention is restricted to two-dimensional fl ...MHD turbulence, ...

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Material line fluctuations slaved to bulk correlations in two-dimensional turbulence

Material line fluctuations slaved to bulk correlations in two-dimensional turbulence

... a two-dimensional nematic background and a freely floating material line buffeted by a two-dimensional turbulent fluid in the inertial (Kraichnan) ...

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View metadata, citation and similar papers at core.ac.uk TWO-DIMENSIONAL TURBULENCE MODELS. Walter Frost* and Ming-Chung Lin

View metadata, citation and similar papers at core.ac.uk TWO-DIMENSIONAL TURBULENCE MODELS. Walter Frost* and Ming-Chung Lin

... The spatial variation in the vertical direction can be measured with a single tower instrumented at different levels and in the horizontal or lateral direction with an array of towers.. [r] ...

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Vanishing enstrophy dissipation in two dimensional Navier  Stokes turbulence in the inviscid limit

Vanishing enstrophy dissipation in two dimensional Navier Stokes turbulence in the inviscid limit

... By sacrificing a reasonable degree of rigour, we derive estimates that are sharper than (2.6), allowing us to deduce that the enstrophy dissipation vanishes in the inviscid limit. This result means that the transition ...

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Forward and inverse cascades in decaying two-dimensional electron magnetohydrodynamic turbulence

Forward and inverse cascades in decaying two-dimensional electron magnetohydrodynamic turbulence

... EMHD turbulence appears to be strongly structured, retain- ing a similarity with the initial field at late time, very much unlike classical or MHD turbulence and a point not noted in previous ...EMHD ...

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The Effect of Surface Roughness on Skin Friction and Turbulence in Two Dimensional Flow

The Effect of Surface Roughness on Skin Friction and Turbulence in Two Dimensional Flow

... .measurements and traversese One was used to measure the reference pressure, the other to measure the difference between the to-.. tal head at a station and the [r] ...

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On energetics and inertial range scaling laws of two dimensional magnetohydrodynamic turbulence

On energetics and inertial range scaling laws of two dimensional magnetohydrodynamic turbulence

... magnetohydrodynamic turbulence in three ...for turbulence satisfying the Kraichnan condition of magnetic energy at large scales exceeding total energy in the inertial range, the kinetic energy spectrum, ...

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Two dimensional magnetohydrodynamic turbulence in the small magnetic Prandtl number limit

Two dimensional magnetohydrodynamic turbulence in the small magnetic Prandtl number limit

... Examples of problems for which such a method may prove invaluable are also given. Key words: computational methods, MHD turbulence, turbulence simulation 1. Introduction Modelling the dynamics of ...

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Two dimensional magnetohydrodynamic turbulence in the limits of infinite and vanishing magnetic Prandtl number

Two dimensional magnetohydrodynamic turbulence in the limits of infinite and vanishing magnetic Prandtl number

... respectively. Regularity in these cases would correspond to drastic improvements to the mathematical results discussed in the preceding paragraph (reducing the upper bounds for α from two to one). For Pm = 0, both ...

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Turbulence modulation in particle-laden stationary homogeneous isotropic turbulence using one-dimensional turbulence

Turbulence modulation in particle-laden stationary homogeneous isotropic turbulence using one-dimensional turbulence

... [2], of particle-laden homogeneous isotropic turbulence HIT using direct numerical simulation DNS, have shown an overall attenuation of the turbulent kinetic energy TKE and of the energy[r] ...

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