Morning session I: Dedicated to Prof. A. Acrivos, “Suspensions and particulates”




НазваниеMorning session I: Dedicated to Prof. A. Acrivos, “Suspensions and particulates”
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HSR 2001 Program


Sunday, 10 June 2001


12:00 Registration

19:00 End of registration

20:30 Welcome reception


Monday, 11 June 2001


08:30 Registration (continued)


09:00 Welcome remarks

- John A. Tsamopoulos HSR President & HSR 2001 Scientific Committee (Chairman)

- Vlasis G. Mavrantzas HSR 2001 Organizing Committee (Chairman)

- Costas Vayenas University of Patras, Vice-Rector


Morning session I: Dedicated to Prof. A. Acrivos, “Suspensions and particulates”




Chair: J.F. Brady, E. Mitsoulis


09:30 Material instability and stress localization

J.D. Goddard

University of California, San Diego, USA


09:50 Capsule motion in flow: role of membrane rheology
D. Barthès-Biesel, A. Diaz

UMR CNRS 6600, UTC, BP 20529, 60205 Compiègne, France


10:10 Shear-induced corrugation of free interfaces in concentrated suspensions
T. Loimer, A. Nir, R. Semiat

Dept. of Chemical Eng., Technion, Israel


10:30 Linear stability analysis of thin leaky dielectric films subjected to electric fields

Leonard F. Pease III, W.B. Russel

Dept. of Chemical Eng., Princeton University, USA


10:50 Dynamic simulations of emulsion rheology

R.H. Davis, Y. Wu, A.Z. Zinchenko

Dept. of Chemical Eng., University of Colorado, USA


11:10 coffee break

Morning session II: Dedicated to Prof. A. Acrivos, “Suspensions and particulates”




Chair: D. Barthès-Biesel, D. Vlassopoulos


11:30 Second normal stress jump instability in non-Newtonian fluids
J.F. Brady, I. Carpen

Division of Chemistry and Chemical Eng., California Institute of Technology, USA


11:50 Shear-induced anisotropy in suspensions of spheres: causes and consequences
F.A. Gadala-Maria

Dept. of Chemical Eng., University of South Carolina, USA


12:10 Flow of dilute suspensions in capillary networks
W.L. Olbricht, B.W. Roberts

School of Chemical Eng., Cornell University, USA


12:30 Mechanism of reversible shear thickening in colloidal dispersions
N.J. Wagner

Center for Molecular and Eng. Thermodynamics, Dept. of Chemical Eng.,

University of Delaware, USA


12:50 end

Afternoon session I: Dedicated to Prof. A. Acrivos, “Polymer dynamics”




Chair: J.-M. Piau, G. Georgiou


15:00 Computational studies of the dynamics of liquid crystalline polymer in shear flows

L. Gary Leal,1 G. Sgalari,1 J.J. Feng2

1Dept. of Chemical Eng., Univ. of California at Santa Barbara, USA

²Levich Institute, City College of CUNY, USA


15:20 A simple constitutive equation for entangled polymers incorporating CCR and

chain stretching
G. Ianniruberto, G. Marrucci

University Federico II, Piazzale Tecchio, Napoli, Italy


15:40 Friction and dynamics of entangled polymer liquids
L.A. Archer

School of Chemical Eng., Cornell University, USA


16:00 Rheo-optical experiments and modeling of entangled polymer solutions: Steady and

transient flows
J. P. Oberhauser,1 L.Gary Leal2

1Dept. of Chemical Eng., University of Virginia, USA

2Dept. of Chemical Eng., University of California, Santa Barbara, USA


16:20 Pure shear or planar extension, which name is misleading?
C.J.S. Petrie

Dept. of Eng. Mathematics, University of Newcastle upon Tyne, UK


16:40 coffee break

Afternoon session II: Dedicated to Prof. A. Acrivos, “Newtonian Fluid Mechanics”




Chair: R.H. Davis, A.N. Beris


17:00 Behavior of a free jet formed from an emulsion of two Newtonian fluids

K. Sarkar, W.R. Schowalter

Dept. of Chemical Eng., University of Illinois at Urbana-Champaign, USA


17:20 Two-dimensional model of phase segregation in liquid binary mixtures with an initial

concentration gradient
R. Mauri

Dept. of Chemical Eng., University of Pisa, Italy


17:40 Mixing of a passive scalar near a free surface
G.S. Triantafyllou,1 L. Shen,2 D.K.P. Yue2

¹Dept. of Naval Architecture and Marine Eng., NTUA, Greece

2Dept. of Ocean Eng., Massachusetts Institute of Technology, USA


18:00 Stratified boundary layer flow of a gas stream and a liquid

film past solid surfaces
N.A. Pelekasis, D.N. Smyrnaios, J.A. Tsamopoulos

Dept. of Chemical Eng., University of Patras, Greece


18:20 Fluid Mechanics and Rheology Research Opportunities in Pharmaceutical R&D

Technologies
S. Kim

Parke-Davis Company, USA


18:40 end


19:30 Poster Session:


1. Mechanical properties and behavior of capsules in 3d flows
E. Lac,1 N.A. Pelekasis,2 J.A. Tsamopoulos,2 D. Barthès-Biesel1

1 CNRS UMR 6600, Université de Technologie de Compiègne, France

2 Dept. of Chemical Eng., University of Patras, Greece


2. Modeling of viscous effects in blade coating flows
E. Mitsoulis, G. Athanasopoulos

Dept. of Mining Eng. & Metallurgy, NTUA, Greece



3. Temperature and shear induced thickening properties of aqueous solutions of

n-isopropylacrylamide-based polymers
G. Bokias,1 Y. Mylonas,1 G. Staikos,1 D. Hourdet,2 I. Iliopoulos,2 G.G. Bumbu,3 C. Vasile3

1Dept. of Chemical Eng., University of Patras, Greece

² ESPCI-CNRS-UPMC, paris, France


3“P.Poni” Institute of Macromolecular Chemistry, Romania

³“P.Poni” Institute of Macromolecular Chemistry, 41A Gr. Ghica Voda Alley, Ro.6600 IASI, Romania

4. Steady-state fully-developed two-phase flow in porous media: Mechanistic model

and a conjecture concerning the underline principle
M. S. Valavanides,1 A.C. Payatakes2

1IRC Help-Forward/FORTH, Greece

2ICE/HT-FORTH and Dept. of Chemical Eng., University of Patras, Greece


5. Viscoelastic flow behavior of a side-chain nematic LC polyacrylate

L. Hilliou,1 A.G. Feio,1 A.F. Martins,1 D. Collin,2 P. Martinoty2

¹Dept. Ciência dos Materiais, Universidade Nova de Lisboa, Portugal

²Unité Mixte de Recherche ULP-CNRS nº7506, 67070 Strasbourg Cedex, France


Tuesday, June 12 2001

Morning Session I: dedicated to Prof. A. Acrivos, “Non-Newtonian Fluid Mechanics”




Chair: W.B. Russel, J.A. Tsamopoulos


09:00 Models for flow of non-Newtonian fluids through porous media
J.R.A. Pearson

Schlumberger Cambridge Research & BP Institute, University of Cambridge, UK


09:20 A suspension model for polymer solidification rheology
R.I. Tanner

School of Aerospace, Mechanical and Mechatronic Eng., University of Sydney, Australia


09:40 Viscoelastic contraction flows: Comparison of axisymmetric and planar configurations
S. Nigen, K. Walters

Dept. of Mathematics, University of Wales, Aberystwyth, UK


10:00 Viscoplastic Boundary Layers

J-M. Piau

Laboratoire de Rhéologie, GRENOBLE Cedex 9, France


10:20 Convergence of a regularization method for flow of a Bingham material past a sphere
B.T. Liu,1 S. J. Muller,1 M.M. Denn2

1 Lawrence Berkeley National Laboratory and Dept. of Chemical Eng.,

University of California, Berkeley, USA

2 Benjamin Levich Institute for Physico-Chemical Hydrodynamics, City College of CUNY, USA


10:40 coffee break

Morning Session II




Chair: L.G. Leal, J.A. Tsamopoulos


11:00 Particle migration and segregation in suspension flows undergoing shear

A. Acrivos


12:00 end

Afternoon Session I: Polymer rheology




Chair: N. Wagner, V.G. Mavrantzas


14:00 Rheology of dendrimers and their hybrid copolymers with linear polymers
M.E. Mackay,1 M. Jeong,1 R. Vestberg,2 C.J. Hawker2

¹Dept. of Chemical, Biochemical and Materials Eng., Stevens Institute of Technology, USA

²IBM Almaden Research Center, San Jose, USA


14:15 Combining NMR and classical rheometry to evaluate the viscoelastic properties of

main-chain nematic LC polymers
A. Véron, A.F. Martins

Dept. Ciência dos Materiais, Universidade Nova de Lisboa, Portugal


14:30 Microemulsions of ABA amphiphilic block copolymers and surfactants

L. Braun-Shmueli, O. Netanel, O. Regev, M. Gottlieb

Dept. of Chemical Eng., Ben Gurion University, Israel


14:45 High frequency dynamical viscometry on confined emulsions
A. Romoscanu, M.B. Sayir, K. Häusler,1 I. Roberts2

1Swiss Federal Institute of Technology, Zurich, Switzerland

2Nestlé Research Center, Lausanne, Switzerland


15:00 Telechelic polyelectrolytes: New developments in the rheology of aqueous formulations
C. Tsitsilianis

University of Patras and ICE/HT-FORTH, Greece


15:15 Viscoelasticity and network structure of water-based polysaccharide systems
A. Zupančič, U. Florjančič, M. Žumer

University of Ljubljana, Slovenia


15:30 coffee break

Chair: A. Nir, S. Hatzikiriakos


16:00 Elongational rheology of branched polypropylene
A.D. Gotsis

Delft University of Technology, the Netherlands


16:15 Relaxational mechanisms in hyperstar melts
D. Vlassopoulos,1 T. Pakula2

1IESL-FORTH, Crete, Greece

2Max-Planck Institut fuer Polymerforschung, Mainz, Germany


16:30 Polymer brushes under strong shear flow in a good solvent
C. Toprakcioglu,1 D. Anastassopoulos,1 A. Vradis,1 A. Papayianopoulos,1 S. Baker,2
A. Menelle3

1Dept. of Physics, University of Patras, Greece

2Harvey Mudd College, Claremont, California, USA

3Laboratoire Leon Brillouin, C.E –Saclay, France


16:45 Block copolymers as emulsifiers in homopolymer blends: effects of additive MW,

architecture, and composition
S.H. Anastasiadis, H. Retsos

IESL-FORTH and University of Crete, Greece


17:00 Theoretical and experimental investigation of non-linear viscoelastic and viscoplastic response of amorphous polymers
E. Kontou, G. Spathis

Dept. of Applied Mathematical and Physical Sciences, NTUA, Greece


17:15 coffee break

Afternoon Session II: Drops and particulates




Chair: W.L. Olbricht, A.C. Payatakes


17:45 Determination of the rheological properties of microcapsules
M. Carin,1 C. Postel,1 M. Rachik,2 D.Barthès-Biesel1

1UMR CNRS 6600, UTC, BP 20529, 60205 Compiègne, France

2Laboratoire Roberval, UTC, BP 20529, 60205 Compiègne, France


18:00 The influence of walls on particle migration in suspensions

W. Lin,1 A. Kaiser,1 A.L. Graham,1 M.S. Ingber2

1Texas Tech University

2University of New Mexico


18:15 Dynamics of deformable surfactant-covered drops
P. Vlahovska, J. Blawzdziewicz, M. Loewenberg

Dept. of Chemical Eng., Yale University, USA


18:30 Effects of turbulent motion on breakdown processes of natural fibers
P. Perona, S. Sordo

Dipartimento di Idraulica, Trasporti e Infrastrutture Civili Politecnico di Torino, Italy


18:45 Three-lobed shape formation of captive ferrofluid drops
A.G. Papathanasiou, A.G. Boudouvis

Dept. of Chemical Eng., NTUA, Greece


19:00 end


20:30 Banquet at ICE/HT-FORTH


Wednesday, June 13 2001

Morning Session: Visit to Olympia



08:00 Visit to Olympia Archeological site and lunch


15:00 Return from Olympia

Afternoon Session I: Suspensions and colloids




Chair: L. Mondy, A. Gotsis


17:00 Static yield stress measurements of suspensions
D. De Kee, L. Zhu, K. Papadopoulos

Dept. of Chemical Eng., Tulane University, USA


17:15 Variational inequalities in viscoplastic fluids – Theory & applications

R.R. Huilgol

School of Informatics and Eng., Flinders University of South Australia


17:30 The behavior of electrorheological fluids in torsional flow
B. Abu-Jdayil,1 P.O. Brunn2

¹Dept. of Chemical Eng., Jordan University of Science & Technology

²Dept. of Fluid Mechanics, University of Erlangen-Nurnberg, Germany


17:45 Influence of macromolecular associations on the dilute properties of a clay suspension
T. Aubry, F. Bossard, M. Moan

Laboratoire de Rhéologie, Université de Bretagne Occidentale, France


18:00 Gelation phenomena in soft colloidal spheres
E. Stiakakis, D. Vlassopoulos, G. Fytas, A. Rissanou, I.A. Bitsanis

IESL-FORTH, Crete, Greece


18:15 Modeling the influence of mix proportions on correlation between destruction pace and

thixotropy of suspensions
T. Lyashenko,1 V. Voznesensky,1 Y. Ivanov2

1Odessa State Building and Architecture Academy

2Bulgarian Academy of Sciences


18:30 coffee break

Chair: F. Gadala-Maria, N.A. Pelekasis


19:00 Electrokinetically enhanced flow of coal-water suspensions in pipes
P.K. Rozakeas,1 R.J. Snow2

1Dept. of Chemical and Metallurgical Eng., RMIT University, Australia

2Faculty of Eng., RMIT University, Australia


19:15 Rheology of dense lignite-water suspensions; preshearing and transition stresses
T.B. Goudoulas, E.G. Kastrinakis, S.G. Nychas

Dept. of Chemical Eng., Aristotle University of Thessaloniki, Greece


19:30 Modeling shear induced particle migration
L. Mondy,1 R. Rao,1 R. Lagasse,1 M. Hopkins,1 S. Altobelli,2 M. Ingber,3
A. Mammoli,3 D. Fang3

¹Sandia National Laboratories, Albuquerque, NM

²New Mexico Resonance, Albuquerque, NM

³Dept. of Mechanical Eng., University of New Mexico


19:45 The effects of pressure and temperature on the wall slip phenomenon of drilling muds
K. Sadeghy,1 S. Salimi,2 M. Khairandish2

¹Dept. of Mechanical Eng., University of Tehran, Iran

²Research Institute of Petroleum Industry, Tehran, Iran


20:00 end

21:00 Conference Dinner

Thursday, June 14 2001




Morning Session I: Computational rheology




Chair: R.H. Colby, D. Theodorou


08:45 A temporal nonlinear stability analysis of viscoelastic channel flows
K. Atalik, R. Keunings

CESAME, Division of Applied Mechanics, Université catholique de Louvain, Belgium


09:00 Numerical simulations of generalized Newtonian flows involving two free surfaces
G. Georgiou, P. Lemenn, A. Alexandrou

1Dept. of Mathematics and Statistics, University of Cyprus

2Dept. of Mechanical Eng., Worcester Polytechnic Institute


09:15 Stress-induced migration effects on the Taylor-Couette flow of a dilute polymer solution
M.V. Apostolakis,1 V.G. Mavrantzas,1 A.N. Beris1,2

1ICE/HT-FORTH Patras, Greece

2Dept. of Chemical Eng., University of Delaware, USA


09:30 coffee break

Morning Session II: Polymer processing




Chair: C. Tsenoglou


10:15 Modeling of viscoplastic lid-driven cavity flow using finite element simulations
E. Mitsoulis, M. Beaulne, D. Kammer, A. Zissis

Dept. of Mining Eng. & Metallurgy, NTUA, Greece



10.30 Particle sintering and melt densification in rotational molding
J. Vlachopoulos,1 C. Bellehumeur,2 M. Kontopoulou3

1Dept. of Chemical Eng., McMaster University, 2University of Calgary

3Queen's University, Canada


10:45 Viscoelastic modeling of micro-injection moulding
C. Jeggy, F. Dupret

CESAME, Université catholique de Louvain, Belgium


11:00 Rheology of polytetrafluoroethylene in paste extrusion
A.B. Ariawan, S.G. Hatzikiriakos

Dept. of Chemical Eng., The University of British Columbia, Canada

Morning Session III: Polymer processing




Chair: A. Alexandrou, J. Vlachopoulos


11:15 The influence of complex rheological properties on mixing
L. Slemenik, A. Zupančič, M. Žumer

University of Ljubljana, Dept. of Chemical Technology, Slovenia


11:30 Dynamical process of polyelectrolyte gel swelling - Swelling controlled solute release
E.C. Achilleos, K.N. Christodoulou, I.G. Kevrekidis


11:45 Multi-scale thermoplastic foam rheology modeling
J. den Doelder

Dow Benelux N.V., The Netherlands


12:00 MORNOS: A leading Greek plastics packaging company

D. Giannakidis

MORNOS S.A., Thiva, Greece


12:15 end

Afternoon Session I: Complex Newtonian Fluid Flow

Chair: R.R. Huilgol, S. Anastasiadis


14:00 Solitary wave dynamics of Newtonian film flows: Experiment and simulation
M. Vlachogiannis, N. Malamataris, V. Bontozoglou

Dept. of Mechanical & Industrial Eng., University of Thessaly, Greece


14:15 Two-phase flow in an undulating tube: Transitions from stratified to

discontinuous flow of one of the fluids
Ch. Kouris, J.A. Tsamopoulos

Dept. of Chemical Eng., University of Patras, Greece


14:30 Analyzing Acrivos’ experiments with finite elements
D.P. Pazis, N.A. Malamataris

Dept. of Mechanical & Industrial Eng., University of Thessaly, Greece


14:45 Low Reynolds number turbulent channel flow
D. Jankovic,1 A.N. Beris,2 R. Keunings,1 G.S. Winckelmans1

1CESAME, Université catholique de Louvain, Louvain-la-Neuve, Belgium

2Dept. of Chemical Eng., Univ. of Delaware, USA


15:00 coffee break

Afternoon Session II: Theory and modeling



Chair: L. Archer, V. Bontozoglou


15:30 Double reptation predictions of the linear viscoelasticity of melt miscible polymer blends
J.A. Pathak, R. Kant, S.K. Kumar, R.H. Colby

Materials Science and Eng., The Pennsylvania State University, USA


15:45 Quantitative theory for linear rheology of linear entangled polymers
A.E. Likhtman, T.C.B. McLeish

Polymer IRC, Physics Dept., University of Leeds, UK


16:00 A GENERIC formulation of two-phase flow
M. Hütter, H.C. Öttinger

Dept. of Materials, Institute of Polymers, ETH Zürich, Switzerland


16:15 Non-Newtonian rheology of entangled polymer solutions and melts
C. Tsenoglou

Dept. of Chemical Eng., NTUA, Greece


16:30 Chain conformations and forces in physisorbed layers of homopolymer colloid

stabilizers: Comparison between Monte Carlo and mean field predictions
J. de Joannis,1 J. Jimenez,1 R. Rajagopalan,1 J. Thomatos,2 I.A. Bitsanis3

¹Dept. of Chemical Eng., University of Florida

²Interchem Hellas, Evia, Greece

³IESL-FORTH, Crete, Greece


16:45 Prediction of the rheological properties of long polyethylene melts via atomistic

molecular dynamics simulations
V.A. Harmandaris, V.G. Mavrantzas, D.N. Theodorou

ICE/HT-FORTH and Dept. of Chemical Eng., University of Patras, Greece


17:00 closing remarks


17:15 end






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