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Invited speakers:

Prof. Marc Brachet. Ecole Normale Superieure, Paris, France

Prof. Peter G. Frick, Institute of Continuous Media Mechanics, Perm, Russia

Prof. Bettina Frohnapfel,  Karlsruher Institut fur Technology, Germany

Prof. Andrea Mazzino, Dipartimento di Fisica, University of Genova, Italy

Prof. Bernhard Mehlig. Department of Physics, University of Gothenburg, Sweden

Prof. Lex Smits, Mechanical and Aerospace Engineering, Princeton University, USA

Prof. Chao Sun Physics of Fluids, University of Twente, The Netherlands

Prof. Steve Tobias, Applied Mathematics, University of Leeds, United Kingdom

13:30   Invited Lecture:Prof. Bettina Frohnapfel, "Skin Friction Drag Reduction in Turbulent Flows" Chair: Arne Johansson 13:30 60 mins SKIN FRICTION DRAG REDUCTION IN TURBULENT FLOWS Bettina Frohnapfel Abstract: Skin friction drag reduction in turbulent flows is typically motivated from the viewpoint of energy savings. The presentation discusses how drag reduction can be evaluated in terms of energy savings and provides an overview of the present state of the flow control literature in this respect. In addition, it is discussed which specific properties of internal and external flows should be considered when evaluating turbulent drag reduction.