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4 papers · 2 filters
Experimental scaling law for the sub-critical transition to turbulence in plane Poiseuille flow
Grégoire Lemoult, Jean-Luc Aider, José-Eduardo Wesfreid
We present an experimental study of transition to turbulence in a plane Poiseuille flow. Using a well-controlled perturbation, we analyse the flow using extensive Particule Image V…
Spatio-temporal spectral analysis of a forced cylinder wake
Juan D'Adamo, Ramiro Godoy-Diana, José Eduardo Wesfreid
The wake of a circular cylinder performing rotary oscillations is studied using hydrodynamic tunnel experiments at . Two-dimensional particle image velocimetry on the mid-p…
Wave Resistance for Capillary Gravity Waves: Finite Size Effects
Michael Benzaquen, Frédéric Chevy, Elie Raphaël
We study theoretically the capillary-gravity waves created at the water-air interface by an external surface pressure distribution symmetrical about a point and moving at constant…
Modeling the transition to turbulence in shear flows
Dwight Barkley
One-dimensional models are presented for transitional shear flows. The models have two variables corresponding to turbulence intensity and mean shear. These variables evolve accord…