[PDF] Top 20 Numerical simulation of two-phase flow induced vibration

... the numerical prediction of fluid-elastic instability has been ...resolution of the turbulence in order to predict correctly hydrodynamic forces at the wall and a robust coupling algorithm to avoid ... Voir le document complet

... single-phase flow using Computational Fluid Dynamics (CFD) over the last past decades, a major knowledge has been shared on numerical methods and interface modeling of solid walls with slight ... Voir le document complet

... images of the flow are all taken at a similar phase, when the lift force is at a local ...features of the wake are not impacted greatly by the small change in ...series of lift force, ... Voir le document complet

... images of the flow are all taken at a similar phase, when the lift force is at a local ...features of the wake are not impacted greatly by the small change in ...series of lift force, ... Voir le document complet

... motion of rigid bodies to compressible fluid ...function. Numerical diffusion is controlled thanks to a compressive limiter (Overbee) in the frame of MUSCL-type- scheme, giving an excellent ... Voir le document complet

... [19] S. Kr¨ autle and P. Knabner. A reduction scheme for coupled multicomponent transport-reaction problems in porous media: Generalization to problems with heterogeneous equilibrium reactions. Water Resources Research, ... Voir le document complet

... symmetry of a circular cross-section enables VIV to be studied independently from other forms of FIV ...range of reduced velocity when the axial symmetry is broken, as demonstrated by Corless & ... Voir le document complet

... words: flow–structure interactions, vortex streets, wakes 1. Introduction Flow-induced vibration (FIV) of elastically mounted bluff bodies is observed in phenomena as diverse as the ... Voir le document complet

... simultaneous flow of two im- miscible fluid phases within a porous ...consider two-phase flow model where the fluids are immiscible and there is no mass transfer between the ... Voir le document complet

... analysis of particle capture by collectors under ...the flow and particle ...the numerical simulations have the advantage over experiments of freely handling flow con- ditions and ... Voir le document complet

... phenomenon of significant ...viscosity of the fluid) range of 40 < Re < 6100 by Okajima, Takata & Asanuma ( 1975 ), who found that the vortex shedding frequency deviated from the Strouhal ... Voir le document complet

... that of a freely vibrating non-rotating ...branch of a non-rotating transversely oscillating cylinder, the maximum oscillation amplitude increased with non-dimensional rotation rate up to α ≈ ...that ... Voir le document complet

... local simulation error remains small, and the model seems to be able to reproduce the patterns evolution, at least at the millimeter ...curves of the simulated and experimental topographies. The curves ... Voir le document complet

... University of Liège, Liège, Belgium, ...University of Liège, Liège, Belgium Keyword: Fluid structure interaction, wind tunnel experimental testing, Van der Pol oscillator, spring mounted ... Voir le document complet

... schema of the invasive FFR technique [ 6 ]. Right, a typical example of FFR ...calculation of FFR corresponds to the ratio of mean distal coronary pressure (green) to mean aortic pressure ... Voir le document complet

... amount of non-homogenous flow and entrained air be kept to a ...purpose of this paper is to reproduce the flow pattern of experiments and to confirm the geometrical parameter that ... Voir le document complet

... function of C a . This phenomenon appears for h of the order of tens of nanometers, an argument advanced as explanation is that in this region, near of the wall, the Van der Waals ... Voir le document complet

... Recurrence plots lower of the time series of the normalized body displacement upper for the case of α = 20◦ showing different dynamical states in different response regimes: a periodic s[r] ... Voir le document complet

... Recurrence plots lower of the time series of the normalized body displacement upper for the case of α = 20◦ showing different dynamical states in different response regimes: a periodic s[r] ... Voir le document complet

... 5 Numerical Results 5.1 Pump performance comparison between the simulation and experiment After the calculation finished, post solution of CFD were conducted in order to get overall pump performance ... Voir le document complet