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Proposing Institution

Chair of Fluid Dynamics, Darmstadt University of Technology
Project Manager

Prof. Dr.-Ing. Martin Oberlack
Otto-Berndt-Str. 2
64287 Darmstadt
Wall turbulence is still an open problem in physics, beingprobably the one with most practical applications. In order tounderstand the behaviour of turbulent flows near walls, we plan tworun and analyse two simulations. The first one is a frictionReynolds number of 1000 in a very long box. This Reynolds is similarto the "record" one, but in this case our computational box is 4times larger. It is foreseen that we are going to find some verylarge and wide structures that can give an insight of the behaviourof the largest eddies of the flow when they find the wall. Thesecond simulation is an even larger Reynolds number but in theshortest domain possible to get accurate results. This willproportionate us the first turbulent Couette flow with a genuinelogarithmic layer. Comparisons with other canonical flows asPoisuille channels or Boundary layers will be then possibe for thefirst time in this layer.

Impressum, Conny Wendler