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pro vyhledávání: '"Puits, Ronald Du"'
Autor:
Bruecker, Christoph, Puits, Ronald Du
Measurements of wall shear-stress fluctuations on very long timescales ($\ge$ 1900 free-fall time units) are reported for turbulent Rayleigh-Benard (RB) convection in air at the heated bottom plate of a RB cell, 2.5 m in diameter and 2.5 m in height.
Externí odkaz:
http://arxiv.org/abs/1901.06577
We present highly resolved measurements of the near-wall temperature field in thermally driven convection at a rough surface. Our measurements have been undertaken in a very large experimental facility called the "Barrel of Ilmenau". They provide a u
Externí odkaz:
http://arxiv.org/abs/1710.06206
The boundary layer flow in a Rayleigh-B\'enard convection cell of rectangular shape has been visualized in this fluid dynamics video. The experiment has been undertaken in air at a Rayleigh number $Ra=1.3\times 10^{10}$ and a Prandtl number $Pr=0.7$.
Externí odkaz:
http://arxiv.org/abs/1209.6201
Autor:
Gauthier, Frédéric, Salort, Julien, Bourgeois, Olivier, Garden, Jean-Luc, Puits, Ronald Du, Thess, Andre, Roche, Philippe-Emmanuel P. -E.
A new regime of turbulent convection has been reported nearly one decade ago, based on global heat transfer measurements at very high Rayleigh numbers. We examine the signature of this "Ultimate Regime" from within the flow itself. A systematic study
Externí odkaz:
http://arxiv.org/abs/0905.2755