10:30
Instability and Transition 5
Chair: Dan Henningson
10:30
15 mins
|
Bypass transition in boundary layers as an activated process
Tobias Kreilos, Taras Khapko, Philipp Schlatter, Yohann Duguet, Dan S Henningson, Bruno Eckhardt
|
10:45
15 mins
|
The time-varying nature of the asymmetrical flow of a shear-thinning polymer solution in transitional pipe flow.
Chaofan Wen, Robert Poole, David Dennis
|
11:00
15 mins
|
Multimodal instability and onset of the laminar-turbulent transition in a supersonic boundary layer
Dmitry Khotyanovsky, Alexey Kudryavtsev
|
11:15
15 mins
|
ON THE ARTIFICIAL DISTURBANCE EVOLUTION IN 2D/3D SPANWISE MODULATED BOUNDARY LAYERS AT MACH 2 AND 2.5
Panina Alexandra, Kosinov Alexander, Semionov Nikolay, Yermolaev Yury
|
11:30
15 mins
|
Fully localised edge states in boundary layers
Taras Khapko, Tobias Kreilos, Philipp Schlatter, Yohann Duguet, Bruno Eckhardt, Dan Henningson
|
11:45
15 mins
|
Transition and wavy walls: an experimental study
Robert Downs, Jens Fransson
|
12:00
15 mins
|
STABILITY ANALYSIS OF A COMPRESSIBLE TURBULENT FLOW OVER A BACKWARD-FACING STEP
Samir Beneddine, Emerick Bodere, Denis Sipp
|
12:15
15 mins
|
Linear stability of a liquid flow through a poroelastic channel
Arghya Samanta, Shervin Bagheri, Luca Brandt
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|
10:30
Wall-bounded flows 4
Chair: Christoph Egbers
10:30
15 mins
|
Generalized diagnostic scaling for high-order moments in turbulent boundary layers
Ramis Orlu, Antonio Segalini, Joseph Klewicki, P. Henrik Alfredsson
|
10:45
15 mins
|
Skin-Friction Measurements on Mathematically Generated Roughness in a Turbulent Channel Flow
Julio M. Barros, Michael P. Schultz, Karen A. Flack
|
11:00
15 mins
|
Structure and dynamics of turbulent flows over highly permeable walls
Wim-Paul Breugem, Mehdi Niazi Ardekani, Gerrit E. Elsinga
|
11:15
15 mins
|
Near Wall PIV-Measurements on the Windward Slope of a Hill
Daniel Quosdorf, Ulrich Schuster, Michael Manhart
|
11:30
15 mins
|
Direct numerical simulation of turbulent Couette-Poiseuille flow with zero skin friction
Gary N Coleman, Philippe R Spalart
|
11:45
15 mins
|
PRESSURE DROP AND TURBULENCE STATISTICS IN TRANSPIRED PIPE FLOW
Francisco J. S. Bandeira, Juliana B. R. Loureiro, Atila P. Silva Freire
|
12:00
15 mins
|
Counter-gradient diffusion of Reynolds stress in turbulent Couette flow with forward-facing step
Yohei Morinishi, Daiki Yoshikawa, Shinji Tamano
|
12:15
15 mins
|
Turbulence Modeling for Oscillatory Pipe Flow
Alexander Shapiro, David Greenblatt, Gershon Grossman
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|
10:30
Geophysical and astrophysical turbulence 1
Chair: Steve Tobias
10:30
15 mins
|
Geostrophic convective turbulence: the effect of boundary layers
Rodolfo Ostilla-Mónico, Erwin van der Poel, Rudie Kunnen, Roberto Verzicco, Detlef Lohse
|
10:45
15 mins
|
Non local resonances in weak turbulence of gravity-capillary waves
Quentin Aubourg, Nicola Mordant
|
11:00
15 mins
|
DIRECT NUMERICAL SIMULATIONS OF TURBULENT FLOW THROUGH POROUS CHANNELS AND DUCTS
Arghya Samanta, Ricardo Vinuesa, Iman Lashgari, Philipp Schlatter, Luca Brandt
|
11:15
15 mins
|
DIRECT NUMERICAL SIMULATIONS OF PARTICLE-DRIVEN GRAVITY CURRENTS IN A BASIN CONFIGURATION
Luis Espath, Leandro Pinto, Sylvain Laizet, Jorge Silvestrini
|
11:30
15 mins
|
INVERSE CASCADE IN SPACE TURBULENCE DURING CURRENT DISRUPTION
Anthony Lui
|
11:45
15 mins
|
DNS of inertial wave attractors in a librating annulus with height-dependent gap width
Marten Klein, Abouzar Ghasemi Varnamkhasti, Torsten Seelig, Ion Dan Borcia, Uwe Harlander, Andreas Will
|
12:00
15 mins
|
Direct and inverse energy cascades in a forced rotating turbulence experiment
Frédéric Moisy, Pierre-Philippe Cortet, Basile Gallet, Antoine Campagne
|
|
10:30
Multiphase and non-Newtonian flows 2
Chair: Francesco Picano
10:30
15 mins
|
DYNAMICS OF INERTIAL DISK PARTICLES IN TURBULENT CHANNEL FLOW
Niranjan Reddy Challabotla, Lihao Zhao, Helge I. Andersson
|
10:45
15 mins
|
Inertial effects on non-spherical particle rotation on turbulent channel flow
Helge I. Andersson, Lihao Zhao, Niranjan R. Challabotla, Evan A. Variano
|
11:00
15 mins
|
CONTACT VELOCITIES OF SMALL ELLIPSOIDS SETTLING IN TURBULENCE
Christoph Siewert, Rudie P. J. Kunnen, Wolfgang Schröder
|
11:15
15 mins
|
Suppression of turbulent diffusion on the water surface by viscoelastic nano layer
Michael Shats, Nicolas Francois, Hua Xia, Horst Punzmann
|
11:30
15 mins
|
Settling of finite-size particles in isotropically forced, homogeneous turbulence: interface-resolved simulations
Agathe Chouippe, Todor Doychev, Markus Uhlmann
|
11:45
15 mins
|
Fully Turbulent Mean Velocity Profile for Purely Viscous non-Newtonian Fluids
Hamidrez Anbarlooei, Daniel O.A. Cruz, Atila P. Silva Freire
|
12:00
15 mins
|
Interaction between a large bubble and turbulence
Aurore Loisy, Aurore Naso, Peter Spelt
|
|
10:30
Large Eddy Simulation 1
Chair: Elisabetta De Angelis
10:30
15 mins
|
Influence of the tip gap size on the development of the tip-leakage vortex using Large Eddy Simulations
Jean Decaix, Guillaume Balarac, Matthieu Dreyer, Mohamed Farhat, Cécile Münch
|
10:45
15 mins
|
Truncation of scales by relaxation
Roel Verstappen
|
11:00
15 mins
|
Non-equilibrium near wall velocity profiles in the flow around a cylinder mounted on a flat plate
Wolfgang Schanderl, Michael Manhart
|
11:15
15 mins
|
Going beyond eddy viscosity: Finding a minimal representation of subgrid-scale stresses in large-eddy simulation
Maurits Silvis, Roel Verstappen
|
11:30
15 mins
|
Testing the Coupled Wake Boundary Layer model with LES of turbulent flow in widely spaced wind farms
Richard Stevens, Dennice Gayme, Charles Meneveau
|
11:45
15 mins
|
Wavenumber-frequency spectra in the logarithmic layer of wall turbulence
Michael Wilczek, Richard J.A.M. Stevens, Charles Meneveau
|
|
10:30
Reacting and compressible flows 2
Chair: Martin Oberlack
10:30
15 mins
|
Incorporation of acceleration effects into the one-dimensional-turbulence model, with application to turbulent combustion and shock-turbulence interactions.
Zoltan Jozefik, Alan R. Kerstein, Heiko Schmidt
|
10:45
15 mins
|
Numerical simulation of Dense Gas Compressible Homogeneous Isotropic Turbulence
Luca Sciacovelli, Paola Cinnella
|
11:00
15 mins
|
Explicit algebraic and differential Reynolds stress model application to homogeneously sheared and compressed turbulence
Igor A. Grigoriev, Stefan Wallin, Geert Brethouwer, Arne V. Johansson
|
11:15
15 mins
|
Shadowgraphy of the end-effects regime produced by clustered rockets
Andres Canchero, Raymundo Rojo, Charles Tinney, Nathan Murray, Joseph Ruf
|
11:30
15 mins
|
DNS of turbulent mixing layers with variable density
Antonio Almagro, Oscar Flores, Manuel García-Villalba
|
11:45
15 mins
|
Statistics of the subgrid scales after the shock-turbulence interaction
Daniel Livescu, Zhaorui Li
|
12:00
15 mins
|
Symmetry analysis in linear compressible hydrodynamic stability theory
Jan-Niklas Hau, Martin Oberlack
|
|
10:30
Lagrangian aspects of turbulence 2
Chair: Willem van de Water
10:30
15 mins
|
Longitudinal and transverse Lagrangian velocity increments
Emmanuel Leveque, Aurore Naso
|
10:45
15 mins
|
ENERGY EXCHANGES AND TIME ASYMMETRY IN 3D TURBULENT FLOWS
Alain Pumir, Haitao Xu, Rainer Grauer, Eberhard Bodenschatz
|
11:00
15 mins
|
Clustering of particles driven by salinity gradients in turbulence
Lukas Schmidt, Itzhak Fouxon, Dominik Krug, Markus Holzner
|
11:15
15 mins
|
BENDING DYNAMICS OF SEMI-FLEXIBLE PARTICLES IN TURBULENT FLOWS
Aamir Ali, Emmanuel Lance Christopher VI Plan, Samriddhi Sankar Ray, Dario Vincenzi
|
11:30
15 mins
|
MEASURING THE ORIENTATION AND ROTATION RATE OF 3D PRINTED PARTICLES IN TURBULENCE
Stefan Kramel, Guy Geyer Marcus, Shima Parsa, Brendan Cole, Rui Ni, Greg Voth
|
11:45
15 mins
|
Influence of small-scale turbulence on spatial distribution of cloud-like particles
Katarzyna Karpinska, Szymon Malinowski
|
12:00
15 mins
|
Turbulent super-diffusion as a ballistic cascade
Mickael Bourgoin
|
12:15
15 mins
|
THE EFFECT OF TEMPERATURE FLUCTUATIONS ON THE SPREAD OF A BUOYANT PLUME
Andrea Bisignano, Benjamin Devenish
|
|
10:30
Thermally driven turbulence 1
Chair: Enrico Stalio
10:30
15 mins
|
Buoyancy-driven turbulent convection in a bundle of vertical heated cylinders
Diego Angeli, Enrico Stalio
|
10:45
15 mins
|
Logarithmic variance profiles and the corresponding {\lowercase {$ f^{-1}$}} spectra of temperature fluctuations in turbulent Rayleigh-B\'enard convection
Xiaozhou He, Dennis van Gils, Eberhard Bodenschatz, Guenter Ahlers
|
11:00
15 mins
|
LARGE SCALE CIRCULATION IN TURBULENT RAYLEIGH-BÉNARD CONVECTION
Tomáš Králík, Marco La Mantia, Ladislav Skrbek, Pavel Urban, Věra Musilová
|
11:15
15 mins
|
Aspect-ratio dependence of the transition to the ultimate state of turbulent Rayleigh-B\'enard convection
Eberhard Bodenschatz, Xiaozhou He, Guenter Ahlers, Dennis Van-Gils
|
11:30
15 mins
|
Direct numerical simulation of turbulent Taylor-Couette flow with grooved walls
Xiaojue Zhu, Rodolfo Ostilla-Monico, Roberto Verzicco, Detlef Lohse
|
11:45
15 mins
|
Roughness-triggered turbulent boundary layers in Rayleigh-Bénard convection
Julien Salort, Olivier Liot, Robert Kaiser, Ronald du Puits, Francesca Chillà
|
12:00
15 mins
|
Reynolds numbers near the ultimate state of turbulent Rayleigh-B\'enard convection
Guenter Ahlers, Xiaozhou He, Dennis van Gils, Eberhard Bodenschatz
|
12:15
15 mins
|
Multiple transitions in rotating turbulent Rayleigh-B\`enard convection
Stephan Weiss, Ping Wei, Guenter Ahlers
|
|
15:00
Instability and Transition 6
Chair: Gregory Bewley
15:00
15 mins
|
NONLINEAR INTERACTIONS DURING EARLY STAGES OF BOUNDARY LAYER TRANSITION INDUCED BY FREE-STREAM TURBULENCE
Dmitry Sboev
|
15:15
15 mins
|
NEUTRAL STABILITY OF THE FLOW IN A TOROIDAL PIPE
Jacopo Canton, Ramis Orlu, Philipp Schlatter
|
15:30
15 mins
|
Boundary layer flow control using the method of spanwise mean velocity gradient
Jens H. M. Fransson
|
15:45
15 mins
|
Tertiary patterns in inclined layer convection
Priya Subramanian, Werner Pesch, Tobias M Schneider
|
16:00
15 mins
|
ON A MECHANISM OF DELAYING LAMINAR-TURBULENT TRANSITION
Hui Xu, Spencer J Sherwin
|
16:15
15 mins
|
EFFECTS OF FREESTREAM TURBULENCE ON CROSSFLOW INSTABILTIY
Areshir Hanifi, Seyed Mohammad Hosseini, Dan Henningson
|
16:30
15 mins
|
Hamiltonian formalism for weak turbulence of inertial waves in rotating fluids
Andrey A Gelash, Vladimir E Zakharov
|
16:45
15 mins
|
Slow Dynamics in turbulent Helium flows
Javier Burguete, Philippe Roche, Bernard Rousset
|
|
15:00
Wall-bounded flows 5
Chair: Arne Johansson
15:00
15 mins
|
Rayleigh-Bénard convection: local scaling exponent in confined thermal convection
Robert Kaiser, Ronald du Puits
|
15:15
15 mins
|
DNS OF TURBULENT CHANNEL FLOWWITH A FLEXIBLE SQUARE CYLINDER
Koichi Tsujimoto
|
15:30
15 mins
|
Comparative assessment of grid-spacing-based filter width formulations for Very Large Eddy Simulation
Anastasia Kondratyuk, Michael Schäfer, Suad Jakirlic
|
15:45
15 mins
|
The streamwise turbulence intensity in the intermediate layer of high Reynolds turbulent pipe flow
John Christos Vassilicos, Jean-Philippe LAVAL, Jean-Marc FOUCAUT, Michel STANISLAS
|
16:00
15 mins
|
Quasi-steady quasi-homogeneous (QSQH) description of the relationship between large-scale and small-scale motions in near-wall turbulence
Chi Zhang, Sergei Chernyshenko
|
16:15
15 mins
|
Phase diagram of turbulent Taylor-Couette flow
Detlef Lohse, Rodolfo Ostilla-Monico, Erwin van der Poel, Roberto Verzicco, Siegfried Grossmann
|
16:30
15 mins
|
Reconstruction of turbulent pipe-flow profiles from laser Doppler velocimetry data
Denis F. Hinz
|
16:45
15 mins
|
Perturbations evolution and streaks formation in turbulent channel flow.
Nikolay Nikitin
|
|
15:00
Geophysical and astrophysical turbulence 2
Chair: Frederic Moisy
15:00
15 mins
|
A statistical mechanics framework for the large-scale structure of a turbulent von K\'arm\'an flow
Berengere Dubrulle, Simon Thalabard, Brice Saint-Michel, Francois Daviaud, Eric Herbert
|
15:15
15 mins
|
Disentangling inertial waves from eddy turbulence in a forced rotating turbulence experiment
Antoine Campagne, Basile Gallet, Frédéric Moisy, Pierre-Philippe Cortet
|
15:30
15 mins
|
Normal mode decomposition in direct numerical simulations of rotating-stratified turbulence
Corentin Herbert, Raffaele Marino, Annick Pouquet, Duane Rosenberg
|
15:45
15 mins
|
TURBULENT STRATIFIED SHEAR FLOW EXPERIMENTS: LENGTH SCALE COMPARISON
Robert Ecke, Philippe Odier
|
16:00
15 mins
|
Double diffusive convection between two parallel plates with different boundary conditions
Yantao Yang, Erwin P. van der Poel, Rodolfo Ostilla-Monico, Chao Sun, Roberto Verzicco, Siegfried Grossmann, Detlef Lohse
|
16:15
15 mins
|
The Göttingen rotating turbulent Rayleigh-Bénard convection facility
Dennis van Gils, Xiaozhou He, Guenter Ahlers, Eberhard Bodenschatz
|
16:30
15 mins
|
Similarities between 2D and 3D convection for large Prandtl number
Anando Chatterjee, Ambrish Pandey, Mahendra Verma, Biplab Dutta
|
|
15:00
Multiphase and non-Newtonian flows 3
Chair: Markus Uhlmann
15:00
15 mins
|
Direct Numerical Simulations of two-phase Taylor-Couette turbulence
Vamsi Spandan, Rodolfo Ostilla-Monico, Roberto Verzicco, Detlef Lohse
|
15:15
15 mins
|
Dynamical properties of preferential concentration and clustering of inertial particles in turbulent flows
Romain Monchaux
|
15:30
15 mins
|
Multifractal Droplet Dynamics in Two-Dimensional, binary-fluid turbulence
Nairita Pal, Prasad Perlekar, Rahul Pandit
|
15:45
15 mins
|
UNSTEADY PARTICLE ACCUMULATION IN WALL TURBULENCE
Dmitrii Sikovsky
|
16:00
15 mins
|
Particle collision statistics in turbulent flows with kinematic simulation
Maximilian Eggersdorfer, Daniel Meyer
|
16:15
15 mins
|
Sedimentation of large particles in turbulent environments
Walter Fornari, Francesco Picano, Luca Brandt
|
16:30
15 mins
|
The reorganisation of turbulent pipe flow by a drag-reducing polymer additive
David Dennis, Francesca Sogaro
|
|
15:00
Large Eddy Simulation 2
Chair: Richard Stevens
15:00
15 mins
|
Global and local energy dissipation in a turbulent Von Kármán flow
Denis Kuzzay, Davide Faranda, Bérengère Dubrulle
|
15:15
15 mins
|
CAN REYNOLDS STRESS TRANSPORT MODELS BE USED FOR LARGE EDDY SIMULATION?
J. Blair Perot, Jason Gadebusch
|
15:30
15 mins
|
Large-Eddy Simulation of Turbulent Supersonic Cold Flow in Ramp-Cavity Combustor With Injector
Zia Ghiasi, Dongru Li, Jonathan Komperda, Farzad Mashayek, Arnab Chaudhuri, Gustaaf Jacobs
|
15:45
15 mins
|
The influence of subgrid-scale modelling on the performance of a new non-equilibrium wall-model for large-eddy simulation
William Sidebottom, Olivier Cabrit, Ivan Marusic, Charles Meneveau, Andrew Ooi, David Jones
|
16:00
15 mins
|
Energy flux in isotropic turbulence under large variations of external forcing
Haitao Xu, Fabio Di Lorenzo, Alain Pumir, Eberhard Bodenschatz
|
16:15
15 mins
|
"A Dynamic Subfilter-scale Stress Model for Large Eddy Simulations Based on Physical Flow Scales"
Amirreza Rouhi, Ugo Piomelli, Bernard Geurts
|
16:30
15 mins
|
A Lagrangian sub-grid model for the dispersion of clouds of tracers
Federico Toschi, Irene M. Mazzitelli, Alessandra S. Lanotte
|
16:45
15 mins
|
Stochastic Reynolds transport theorem and generalized subgrid tensor
Valentin Resseguier, Etienne Memin, Bertrand Chapron
|
|
15:00
Lagrangian aspects of turbulence 3
Chair: Markus Holzner
15:00
15 mins
|
INVESTIGATION OF LAGRANGIAN COHERENT STRUCTURES IN A WAKE-INDUCED BOUNDARY LAYER TRANSITION
Guosheng He, Chong Pan, Qi Gao, Lihao Feng, Jinjun Wang
|
15:15
15 mins
|
Angular statistics of lagrangian trajectories
Wouter Bos, Benjamin Kadoch, Kai Schneider
|
15:30
15 mins
|
Direction change of fluid particles in confined two-dimensional turbulence
Benjamin Kadoch, Wouter Bos, Kai Schneider
|
15:45
15 mins
|
Excess statistics with applications to turbulence in marine environments
Hans Pecseli, Jan Trulsen
|
16:00
15 mins
|
Dynamic of large particles embedded in shear flows
Miguel López-Caballero, Nathanaël Machicoane, Lionel Fiabane, Jean-Françoise Pinton, Mickael Bourgoin, Romain Volk
|
16:15
15 mins
|
LAGRANGIAN RAYLAIGH-BÉNARD CONVECTION
Sergio Chibbaro, Francesco Zonta
|
16:30
15 mins
|
Triangular Constellations in Flows
Michael Wilkinson, John Grant
|
|
15:00
Thermally driven turbulence 2
Chair: Xiaozhou He
15:00
15 mins
|
Thermal boundary layer equation for turbulent Rayleigh-Benard convection
Olga Shishkina, Susanne Horn, Sebastian Wagner, Emily S. C. Ching
|
15:15
15 mins
|
LOCAL HEAT FLUX MEASUREMENTS USING A MICRO-MACHINED INTEGRATED PROBE
Eléonore RUSAOUEN, Bernard CASTAING, Francesca CHILLA, Philippe-Emmanuel ROCHE, Julien SALORT
|
15:30
15 mins
|
Analysis of turbulent Rayleigh-Bénard convection in the compound physical/scale space domain
Riccardo Togni, Andrea Cimarelli, Elisabetta De Angelis
|
15:45
15 mins
|
Turbulent convective heat transfer in an inclined cylinder with liquid sodium
Andrei Mamykin, Andrei Vasiliev, Ruslan Khalilov, Ilya Kolesnichenko, Peter Frick
|
16:00
15 mins
|
Large-Scale Circulation Reversals in a 2D Rayleigh-Bénard cell
Berengere Podvin, Anne Sergent
|
16:15
15 mins
|
ONSET OF REVERSAL AND CHAOS IN THERMALLY DRIVEN CAVITY FLOW
Masaki Shimizu, Kentaro Cho, Genta Kawahara
|
|
15:00
Magnetohydrodynamics 3
Chair: Alexandros Alexakis
15:00
15 mins
|
MEAN MAGNETIC FIELD GENERATION IN IDEAL FLUID
Krzysztof Mizerski
|
15:15
15 mins
|
The Decay of Wall Bounded MHD Turbulence at Low $Rm$
Kacper Kornet, Alban Potherat
|
15:30
15 mins
|
Turbulent MHD channel flows under streamwise magnetic field
Thomas Boeck, Dmitry Krasnov
|
15:45
15 mins
|
Magnetohydrodynamic turbulence in a Hartmann duct flow at finite magnetic Reynolds number
Vinodh Kumar Bandaru, Thomas Boeck, Dmitry Krasnov, Jörg Schumacher
|
16:00
15 mins
|
Helical mode interactions and spectral energy transfer in magnetohydrodynamic turbulence
Moritz F. Linkmann, Arjun Berera, Mairi E. McKay, Julia Jäger
|
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