Influence of turbulence on the dynamo threshold

Influence of Turbulence on the Dynamo Threshold

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to explore the influence of turbulence on the dynamo ...

[physics/0601062] Influence of turbulence on the dynamo threshold

The addition of a stochastic noise to the mean velocity significantly alters the dynamo threshold. When the noise is at small (resp. large) ...

Influence of Turbulence on the Dynamo Threshold - NASA ADS

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to explore the influence of turbulence on the dynamo threshold.

Influence of turbulence on the dynamo threshold

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to explore the influence of turbulence on the dynamo threshold.

Influence of turbulence on the dynamo threshold - HAL

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to ex- plore the influence of turbulence on the ...

Influence of turbulence on the dynamo threshold

Jean-Philippe Laval, Pierre Blaineau, Nicolas Leprovost, Béreng`ere Dubrulle, François Daviaud. Influence of turbulence on the dynamo threshold.

Influence of turbulence on the dynamo threshold

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to explore the influence of turbulence on the dynamo threshold. In the ...

Influence of Turbulence on the Dynamo Threshold | CoLab

We use direct and stochastic numerical simulations of the magnetohydrodynamic equations to explore the influence of turbulence on the dynamo threshold.

Influence of turbulence on the dynamo threshold B. Dubrulle, GIT ...

Influence of turbulence on the dynamo threshold B. Dubrulle, GIT/SPEC N. Leprovost, R. Dolganov, P. Blaineau J-P. Laval and F. Daviaud.

Influence of large scale flow fluctuations on the dynamo threshold

A new velocity scale is derived that yields a Reynolds number independent profile for the streamwise turbulent fluctuations in the near-wall region of wall ...

Turbulent dynamos: Experiments, nonlinear saturation of the ...

In the situation of a bifurcation from a strongly turbulent flow, two questions arise: • What is the effect of the turbulence on the dynamo threshold? • What is ...

[physics/0603085] On the effects of turbulence on a screw dynamo

Numerical solutions of the mean--field induction equation show that all the induction effects of the turbulence together let the screw dynamo ...

Turbulent dynamo action and its effects on the mixing at the ...

The uncertainties arising from the usage of such simplistic models limit the predictive power of stellar evolution calculations and have far-reaching conse-.

Turbulent Processes and Mean-Field Dynamo

We discuss some of the many turbulence effects relevant to the generation of large-scale magnetic fields in the solar convection zone.

Dynamo threshold in a turbulent medium - Inspire HEP

We study an example of instability in presence of a multiplicative noise, namely the spontaneous generation of a magnetic field in a turbulent medium.

Influence of Turbulence on an Essentially Nonlinear Dynamo ...

... dynamo action if the initial magnetic configuration is finite and above a critical threshold. We first study the effects of the smallest scales of turbulence ...

Effects of turbulence, resistivity and boundary conditions on ...

One may speculate that, for even higher Reynolds numbers (comparable with those of the VKS experiment), the enhancement of the α α 2 dynamo loop ...

Suppression of small-scale dynamo in time-irreversible turbulence

to significant suppression of the dynamo effect at low magnetic Prandtl numbers, increases the generation threshold, and may even make ...

Effect of fluctuations on mean-field dynamos | Journal of Plasma ...

3.1 Effect of weak fluctuations on the dynamo threshold ... (3.2) ∂B∂t=𝜵×(¯V×B)+𝜵×(˜v×B)+𝜂𝛻2B. We observe that turbulent fluctuations ˜v(r,t) act ...

Dynamo effect caused by non-stationary turbulence in strongly ...

in the case of hot, low-density turbulent plasma. In contrast, we consider here the opposite limit of strong magnetic fields. The effect of ...