[PDF] Top 20 Drag modulation in turbulent boundary layers subject to different bubble injection strategies

... is to investigate numerically the interaction between a dispersed phase composed of micro-bubbles and a turbulent boundary layer ...used to generate the inlet boundary condition for the ... Voir le document complet

... necessary to simulate a spatially developing turbulent boundary layer laden with micro- ...ables to compute bubble dispersion with two-way coupling based on Euler-Lagrange ...equations. ... Voir le document complet

... due to bubbles. This analysis has been extended to higher turbulent regimes by Van den Berg et ...is to investigate numerically the dispersion of bubbles in turbulent ... Voir le document complet

... due to bubbles. This analysis has been extended to higher turbulent regimes by Van den Berg et ...is to investigate numerically the dispersion of bubbles in turbulent ... Voir le document complet

... the different techniques to cope with control of systems including saturations, the anti- windup strategy is one of the most ...modifications in order to recover, as much as possible, the ... Voir le document complet

... Nonlinear boundary layers for rotating fluids ∗ Anne-Laure Dalibard and † David G´ erard-Varet Abstract We investigate the behavior of rotating incompressible flows near a non-flat horizontal ...bottom. ... Voir le document complet

... the drag We now examine the influence of the forced finite ampli- tude streaks on the drag, always at Re= 5300 scorresponding to Re t = ...2 in full DNS for three levels of optimal steady ... Voir le document complet

... 1 Extraction of empirical model parameters from a unsteady CFD wall pressure and using a Joint acceptance analytical method to predict the vibro-acoustic response 2 Estimation of turbule[r] ... Voir le document complet

... and to the mixing length model by Spalding (18) reported in Galbraith and Head (19) ...applied to model a boundary layer with and without an adverse streamwise pressure ...structured in ... Voir le document complet

... of different diameters ...fed to a cooling heat exchanger, a calibrated rotameter bank, a thermometer pocket, into the second header, through one of the connecting horizontal pipes back to the pump ... Voir le document complet

... want to classify the dynamical interactions more ...series in this specific cluster and classify it with the FEM-BV-VARX methodology further into two distinct ...leads to error distributions that are ... Voir le document complet

... to the same velocity input u 0 , v 0 , w 0 , with distinct spatial energy ...is to force disturbances u 0 , v 0 , w 0 upstream of the computational domain and let them free to evolve in time ... Voir le document complet

... naturally in the theory of elliptic homogenization when one attempts to obtain a two-scale expansion of solutions of the Dirichlet problem (with non-oscillating boundary condition) near the ... Voir le document complet

... played in the turbulent regime f 39 ...believed to provide a structure to the sub- critical transition process f 41 g, typically have few unstable eigenvalues and associated modes, while they ... Voir le document complet

... optimization to determine the disturbances which bring the flow more effectively on the verge of turbulence has been confirmed by results obtained with a different optimization functional for the case of a ... Voir le document complet

... is to identify the features of the thermodynamic equilibrium in a system where the number of particles is very ...related to finding the configurations with the lowest total potential energy, ... Voir le document complet

... words: bubble dynamics, drops and bubbles, gas/liquid flows ...moving in a vertical pipe become asymmetric when the surrounding liquid flows downward at a mean velocity greater than some critical ... Voir le document complet

... Taylor bubble that rose in the test section as long as the adverse liquid flow rate was not too ...the bubble reached the top of the loop, the air vent was again opened and a new run could ... Voir le document complet

... and boundary integral ...method to model crystal growth. Li and Cai [11] used the method to simulate dynamic powder con- solidation of ...metals. In [11], the unknown on the boundary ... Voir le document complet

... the bubble boundary can be found in ...detected bubble is around ...lines in the up- per quadrants of ...algorithms, to test the accu- racy of the measured ...implemented ... Voir le document complet