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We present a simple model which describes the complex interplay between electromagnetic forces, inertia, and gravity in liquid metal current limiting devices utilizing the electromagnetic pinch… (More)

- Ronald du Puits, Christian Resagk, André Thess
- Physical review letters
- 2007

In this Letter, highly resolved measurements of the horizontal velocity inside the boundary layer of turbulent Rayleigh-Bénard convection are reported. They were performed in a cylindrical box with… (More)

- E. V. Votyakov, Yu Kolesnikov, Oleg I Andreev, Egbert A. Zienicke, André Thess
- Physical review letters
- 2007

We use a combination of numerical simulations and experiments to elucidate the structure of the flow of an electrically conducting fluid past a localized magnetic field, called magnetic obstacle. We… (More)

- Ronald du Puits, Christian Resagk, André Thess
- Physical review. E, Statistical, nonlinear, and…
- 2009

Highly resolved profiles of the mean velocity in turbulent Rayleigh-Bénard convection in air are presented and discussed. The present work extends our recently performed experiments at constant… (More)

- Anna Maystrenko, Christian Resagk, André Thess
- Physical review. E, Statistical, nonlinear, and…
- 2007

Measurements of the temperature distribution were performed in the upper (cold) boundary layer of a rectangular Rayleigh-Bénard cell with aspect ratios Gamma(x) = 5 and Gamma(y) = 1 using air with… (More)

We report highly resolved temperature measurements in turbulent Rayleigh–Bénard convection in air at a fixed Prandtl number Pr = 0.7. Extending our previous work (du Puits et al 2007 J. Fluid Mech.… (More)

- Dmitry Krasnov, André Thess, Thomas Boeck, Yurong Zhao, Oleg Yu. Zikanov
- Physical review letters
- 2013

We present results of a numerical analysis of Hartmann's historical experiments on flows of mercury in pipes and ducts under the influence of magnetic fields. The computed critical parameters for the… (More)

- Ronald du Puits, Gangyi Yang, Christian Resagk, André Thess, Christian E. Willert
- Physical review letters
- 2014

Flow visualizations and particle image velocimetry measurements in the boundary layer of a Rayleigh-Bénard experiment are presented for the Rayleigh number Ra=1.4×1010. Our visualizations indicate… (More)

We report an investigation of temperature profiles in turbulent Rayleigh–Bénard convection of water based on direct numerical simulations (DNS) for a cylindrical cell with unit aspect ratio for the… (More)

- André Thess
- Physical review letters
- 2013

Pumped heat electricity storage (PHES) has been recently suggested as a potential solution to the large-scale energy storage problem. PHES requires neither underground caverns as compressed air… (More)