Lorentz Center - Flow instabilities and turbulence in viscoelastic fluids from 19 Jul 2010 through 23 Jul 2010
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    Flow instabilities and turbulence in viscoelastic fluids
    from 19 Jul 2010 through 23 Jul 2010

 

Monday, July 19

 

10:00 – 10:10    Welcome

10:10 – 10:50    Satish Kumar -- Non-modal amplification of disturbances in channel flows of viscoelastic fluids

10:50 – 11:20    Coffee break

11:20 – 12:00    Yacine Amarouchene -- Drag Enhancement with Polymer solutions: Conformations and hysteretic stresses in nonstationary flows

12:00 – 13:30    Lunch break

13:30 – 13:50    Christopher Pipe -- Viscoelastic flow instabilities near stagnation points in microfluidic devices

13:50 – 14:10    Christian Wagner -- On the curvature criterion of viscoelastic instabilities

14:10 – 14:30    Olivier Crumeyrolle -- Example of higher instability modes in the Couette-Taylor flow of PEO aqueous solutions

14:30 – 15:30    Discussion groups

15:30 – 16:00    Coffee break

16:00 – 16:40    Innocent Mutabazi -- Experiments on inertio-elastic instability of polymer solutions in the Couette-Taylor system

16:40 – 17:20    Roger Khayat -- Pattern selection in the thermal convection of non-Newtonian fluids

17:30 – 19:00    Wine & cheese party

 

 

Tuesday, July 20

 

09:30 – 10:10    Paulo Arratia -- Purely elastic instability in planar shear flows

10:10 – 10:50    Anke Lindner -- Viscoelastic instabilities in a straight channel

10:50 – 11:20    Coffee break

11:20 – 12:00    Daniel Bonn -- Large velocity fluctuations of very low Reynolds number flows of polymer solutions

12:00 – 13:30    Lunch break

13:30 – 15:30    Discussion groups

15:30 – 16:00    Coffee break

16:00 – 16:40    Jordi Ortin -- Oscillatory flow of viscoelastic fluids

16:40 – 17:20    Chιrif Nouar -- Transitional flow of a non newtonian fluid in a pipe

 

 

Wednesday, July 21

 

09:30 – 10:10    Eric Shaqfeh -- Wake stabilization in viscoelastic flow past a cylinder

10:10 – 10:50    Victor Steinberg -- Dynamics and stretching of polymer in a random flow and mechanism of elastic turbulence

10:50 – 11:20    Coffee break

11:20 – 12:00    Fernando Pinho -- Transitions in some 2D and 3D stagnation flows of viscoelastic fluids at low Reynolds numbers

12:00 – 13:30    Lunch break

13:30 – 15:30    Discussion groups

15:30 – 16:00    Coffee break

16:00 – 16:40    Manuel Alves -- Elastic instabilities and efficient microfluidic rectifiers

16:40 – 17:20    Paulo Oliveira -- Inertial instability in Newtonian cross-slot flow

19:00                  Conference dinner: BBQ at the beach

 

 

Thursday, July 22

 

09:30 – 10:10    Michael Graham -- Active and hibernating turbulence in channel and boundary layer flow of Newtonian and polymeric fluids

10:10 – 10:50    Bamin Khomami -- Maximum Drag Reduction Asymptote in Turbulent Channel Flow of Dilute Polymeric Solutions

10:50 – 11:20    Coffee break

11:20 – 12:00    R. Sureshkumar -- Hairpin Vortex Dynamics and Polymer-Induced Turbulent Drag Reduction

12:00 – 13:30    Lunch break

13:30 – 13:50    Marc-Antoine Fardin -- Elastic instabilities in the shear-banding flow of wormlike micelles

13:50 – 14:10    Bruno Eckhardt – Transport and dissipation in turbulent flows

14:10 – 14:30    TBA

14:30 – 15:30    Discussion groups

15:30 – 16:00    Coffee break

16:00 – 16:40    Bjφrn Hof -- Transition to turbulence in Newtonian and non-Newtonian pipe flow

16:40 – 17:20    Victor Steinberg -- Overview lecture – experiments

 

 

Friday, July 23

 

09:30 – 10:10    Oliver Harlen -- Stability of Jets and Liquid bridges in viscoelastic fluids

10:10 – 10:50    Rob Poole -- On the critical conditions for purely-elastic instabilities

10:50 – 11:20    Coffee break

11:20 – 12:00    Michael Renardy -- Rigorous stability results for viscoelastic flows

12:00 – 13:30    Lunch break

13:30 – 14:00    Becca Thomases -- A Stokesian Viscoelastic Flow: Transition to Oscillations and Mixing

14:00 – 14:30    Mike Graham -- Overview lecture -- theory

14:30 – 15:00    Coffee break

 

 



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