Advances in Turbulence XII Proceedings of the 12th EUROMECH European Turbulence Conference, September 7-10, 2009, Marburg, Germany

This volume comprises the communications presented at the EUROMECH European
Turbulence Conference ETC12, held in Marburg in September 2009. The topics covered by the meeting include:

• Acoustics of turbulent flows     
• Atmospheric turbulence
• Control of turbulent flows
• Geophysical and astrophysical turbulence
• Instability and transition
• Intermittency and scaling
• Large eddy simulation and related techniques
• Lagrangian aspects
• MHD turbulence
• Reacting and compressible turbulence
• Transport and mixing
• Turbulence in multiphase and non-Newtonian flows
•  Vortex dynamics and structure formation
•  Wall bounded flows

Lagrangian aspects.- Lagrangian modeling and properties of particles with inertia.- Effect of Fax#x00E9;n forces on acceleration statistics of material particles in turbulent flow.- Lagrangian analysis of turbulent convection.- Linear and angular dynamics of an inertial particle in turbulence.- Collision rate between heavy particles in a model turbulent flow.- From cloud condensation nuclei to cloud droplets: a turbulent model.- Lagrangian statistics of inertial particles in turbulent flow.- Lagrangian statistics of two#x2013;dimensional turbulence in a square container.- Measurement of Lagrangian Particle Trajectories by Digital in-line Holography.- 3-D Particle Tracking Velocimetry (PTV) in gas flows using coloured tracer particles.- Two-particle dispersion in 2D inverse cascade turbulence and its telegraph equation model.- Numerical simulations of particle dispersion in stratified flows.- Instability and Transition.- Experimental study of the von K#x00E1;rm#x00E1;n flow from = 10 to 10: spontaneous symmetry breaking and turbulent bifurcations.- Flow reversals in a vertical channel.- Linear Instability of Streamwise Corner Flow.- DNS of turbulent plane Couette flow with emphasis on turbulent stripe.- Geometry of state space in plane Couette flow.- Linear and nonlinear instabilities of sliding Couette flow.- Localization in plane Couette edge dynamics.- Nonlinear optimal perturbations in plane Couette flow.- Order parameter in laminar-turbulent patterns.- Pattern formation in low Reynolds number plane Couette flow.- Quasi-stationary and chaotic convection in low rotating spherical shells.- Linear stability of 2D rough channels.- Transient turbulent bursting in enclosed flows.- On New Localized Vortex Solutions in the Couette-Ekman Layer.- Shear instabilities in Taylor-Couette flow.- Particle Tracking Velocimetry in Transitional Plane Couette Flow.- Experimental study of coherent structures in turbulent pipe flow.- Forced localized turbulence in pipe flows.- From localized to expanding turbulence.- Influence of test-rigs on the laminar-to-turbulent transition of pipe flows.- Interaction of turbulent spots in pipe flow.- Large-scale transitional dynamics in pipe flow.- Nonlinear coherent structures in a square duct.- Quantitative measurement of the life time of turbulence in pipe flow.- Experimental investigation of turbulent patch evolution in spatially steady boundary layers.- Interaction of noise disturbances and streamwise streaks.- Linear generation of multiple time scales by 3D unstable perturbations.- Convection at very high Rayleigh number: signature of transition from a micro-thermometer inside the flow.- Estimating local instabilities for irregular flows in the differentially heated rotating annulus.- Search for the #x201C;ultimate state#x201D; in turbulent Rayleigh-B#x00E9;nard convection.- Rayleigh#x2013;Taylor instability in two dimensions and phase-field method.- Split energy cascade in quasi-2D turbulence.- Stabililty and laminarisation of turbulent rotating channel flow.- The vortical flow pattern exhibited by the channel flow on a rotating system just past transition under the influence of the Coriolis force.- Transient evolution and high stratification scaling in horizontal mixing layers.- Control of turbulent flows.- Toward cost-effective Control of Wall Turbulence for Skin Friction Drag Reduction.- Active control of turbulent boundary layer using an array of piezo-ceramic actuators.- Flat plate turbulent boundary-layer control using vertical LEBUs.- Estimation of the spanwise wall shear stress based on upstream information for wall turbulence control.- Interactions between vortex generators and a flat plate boundary layer. Application to the control of separated flows..- Modulated global mode of a controlled wake.- Swirl effects in turbulent pipe flow.- Control of an axisymmetric turbulent wake by a pulsed jet.- Direct Numerical Simulations of turbulent mixed convection in enclosures with heated obstacles.- On Drag Reduction in Turbulent Channel Flow over Superhydrophobic Surfaces.- Response of Periodically Modulated Turbulence.- Turbulent drag reduction by feedback: a Wiener-filtering approach.- Vortex dynamics and structure formation.- A driving mechanism of turbulent puff in pipe flow.- Wavelet tools to study vortex bursting and turbulence production.- The minimum-enstrophy principle for decaying 2D turbulence in circular domains.- Direct numerical simulation of a turbulent vortex ring.- Reconnection of vortex bundles.- Turbulent energy cascade caused by vortex stretching.- Instabilities and transient growth of trailing vortices in stratified fluid.- Implementation of Vortex Stretching into the Two-Dimensional Navier-Stokes Equations via Arbitrary External Straining.- Turbulent cascade of a quantum fluid at finite temperature.- Visualization of quantum turbulence in He-B by thermal excitations.- The 3D structure of a dipole in a shallow two-layer fluid.- The 3D character of decaying turbulence in a shallow fluid layer.- Vortex dynamics in a Karman street behind a heated cylinder: defects and potentialities of acoustic diagnostics.- Asymmetric vortex shedding in the turbulent wake of a flat plate in a rotating fluid.- Stability of steady vortices and new equilibrium flows from #x201C;Imperfect-Velocity-Impulse#x201D; diagrams.- The effect of Freestream Turbulence on Far Axisymmetric Wakes.- Application of the deterministic turbulence method to study of LEBU-device mechanism.- The role of the intense vorticity structures in the turbulent structure of the jet edge.- Large Scale Dynamics of a Jet in a Counter Flow.- Dynamics of vortex filaments in turbulent flows and their impact on particle dispersion.- The effect of coherent structures on the secondary flow in a square duct.- Multiphase and non-Newtonian flows.- How to Discriminate Between Light and Heavy Particles in Turbulence.- Anisotropic clustering and particles velocity statistics in shear turbulence.- Direct Numerical Simulation of inertial particle accelerations in near-wall turbulence: effect of gravity.- Simulating Fibre Suspensions: Lagrangian versus Statistical Approach.- Inertial particles in a turbulent pipe flow: spatial evolution.- Heat transfer mechanisms in bubbly Rayleigh-B#x00E9;nard convection.- Scaling of polymer drag reduction with polymer and flow parameters in turbulent channel flow.- DNS study on #x201C;diameter effect#x201D; of drag reduction in viscoelastic-fluid flow.- Modifications of the turbulent structure in a bubbly boundary layer.- Budgets of polymer free energy in homogeneous turbulence.- Shear-induced self-diffusion in a Couette flow of a dilute suspension.- Atmospheric turbulence.- Turbulent flow over rough walls.- Top-down and bottom-up eddy motion in wall bounded turbulence.- A study of turbulent Poiseuille-Ekman flow at different rotation rates using DNS.- Experimental study of forced stratified turbulence.- DNS of the turbulent cloud-top mixing layer.- Modelling and Simulation of Momentum and Heat Transfer in the Atmospheric Boundary Layer over Rough Surface: Study with Improved Turbulence Model.- Wind Direction Effects on Urban Like Roughness: an LES Study.- Geophysical and astrophysical turbulence.- Anisotropy in turbulent rotating convection.- Nonlocal interactions and condensation in forced rotating turbulence.- Structural Features of Rotating Sheared Turbulence.- Structure functions and energy transfers in a decaying rotating turbulence experiment.- Table-top rotating turbulence: an experimental insight through particle tracking.- On the structure of rapidly-rotating, decaying turbulence.- Large-eddy simulations of gravity current flows past submerged cylinders.- Large scale quasi-2D structures and the problem of nonlinear bottom friction.- Double-period oscillation of passive scalar flux in stratified turbulence.- Energy spectra of stably stratified turbulence.- The wind-driven turbulent oscillating channel flow subjected to a stab