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Proceedings of the Fifth European Rheology Conference
FIFTH EUROPEAN RHEOLOGY CONFERENCE Portoroz, Slovenia, September 6-11, 1998
ORGANIZING COMMITTEE
Emri I., Chair, Cvelbar R, Malavasic T., Osredkar u., Sebenik Z., Zupancic A, ZumerM.,
University ofLjubljana, Center for Experimental Mechanics University ofLjubljana, Center for Experimental Mechanics National Institute of Chemistry, Ljubljana National Institute ofChemistry, Ljubljana National Institute of Chemistry, Ljubljana University ofLjubljana, Faculty ofChemistry and Chemi cal Technology University ofLjubljana, Faculty ofChemistry and Chemi cal Technology
European Committee on Rheology, serving as Scientific Committee:
Diogo AC., Djabourov M., Emri I., F erguson 1, Gallegos C., Grizzuti N., Ivanov Y, Klason c., Korugic L., Kulichikhin v., Lapasin R., Marrucci G., Meijer H.E.H., Mewis 1, Mitsoulis E., Moldeaners P., Munstedt H., Ottinger H.C., Piau 1-M., Ribitsch V., Schausberger A, Stading M., Sestak 1, Wagner M.H., Walters K.,
Instituto Superior Tecnico, Lisboa, Portugal Ecole Superieure de Physique et Chimie Industrielle, Paris, France University ofLjubljana, Ljubljana, Slovenia University of Strathclyde, Glasgow, Great Britain Universidad de Huelva, Huelva, Spain Univerista di Napoli "Fererico II", Napoli, Italy Bulgarian Academy of Sciences, Sofia, Bulgaria Chalmers University of Technology, Gothenburg, Sweden L-Universita ta Malta, Msida, Malta The Russian Academy of Sciences, Moscow, Russia Universita di Trieste, Trieste, Italy Univerista di Napoli "Fererico II", Napoli, Italy Eindhoven University ofTechnology, Eindhoven, The Netherlands Katholieke Univerisiteit Leuven, Heverlee, Belgium University of Ottawa, Ottawa, Canada Katholieke Univerisiteit Leuven, Heverlee, Belgium Universităt Erlangen - Numberg, Erlangen, Germany ETH Zuerich, Zurich, Switzerland Univerisite Grenoble, Grenoble, France Univerisităt Graz, Graz, Austria Jahannes-Kepler-Universităt Linz, Linz, Austria STHlSIK - Biofysik, Gothenburg, Sweden CVUT, Prague, Czech Republic Universităt Stuttgart, Stuttgard, Germany University of Wales, Aberystwyth, Great Britain
PUBLICATION POLICY The opinions expres sed herein are those ofthe individual authors and not necessarily those of Reviewers, Editors and ofthe Publisher
Die Deutsche BibliothekCIP-Einheitsaufuahme
Progress and trends in rheology V : proceedings of the Fifth European Rheology Conference, Portoroz, Slovenia, September 6 - Il, 1998/ ed. 1. Emri. Technical co-ed. R. Cvelbar. -Darmstadt: Steinkopff, 1998
ISBN 978-3-642-51064-9 ISBN 978-3-642-51062-5 (eBook) DOI 10.1007/978-3-642-51062-5
This work is subject to copyright. AlI rights are reserved, whether the whole or part of the material is concemed, specifically those rights of translation, reprinting, reuse of ilIustrations, recitation, broadcasting, reproduction on microfilms or in other ways, and storage in data banks. Duplication of this publication or parts thereof is only permitted under the provisions of the German Copyright Law of September 9, 1965, in its version of June 24, 1985, and a copyright fee must aIways be paid. Violations falI under the prosecution act of the German Copyright Law.
The use of registered narnes, trademarks, etc. in this publication does not imply, even in the absence of specific statement, that such narnes are exempt from the relevant protective laws and regulations and therefore free for general use.
©1998 by Springer-Verlag Berlin Heidelberg Originally published by Dr. Dietrich Steinkopff Verlag GmbH & Co. KG, Dannstadt
Chemisty Editor: Dr. Maria Magdalene Nabbe; Production: Holger Frey
Progress and Trends in Rheology V Proceedings of the Fifth European Rheology Conference
Portoroz, Slovenia, September 6-11, 1998
Editor
1. Emri Center for Experimental Mechanics
University ofLjubljana, Ljubljana, Slovenia
Technical Co-Editor
R. Cvelbar Center for Experimental Mechanics
University ofLjubljana, Ljubljana, Slovenia
PREFACE
Global sustainable development of the world economy requires better understanding and utilization of natural recourses. In this endeavor rheology has an indispensable role. The Rheology Conferences are therefore always an important event for science and technology.
The Fifth European Rheology Conference, held from September 6 to 11 in the Portoro-z, Slovenia, will be the first AlI-European rheology meeting after the formal constitution of the European Society ofRheology. As such it will be a special historical event.
At this meeting the European Society of Rheology will introduce the Weissenberg Medal, to be bestowed every four years to an individual for hislhers contribution to the field of Rheology. The recipient ofthe first award will be professor G. Marrucci ofthe Universita degli Studi di Napoli, Italy.
Two mini Symposia will be part of the Conference. The first, on Industrial Rheology, will commemorate the late professor G. Astarita. The second will honor the eightieth birthday of professor N.W. Tschoegl.
This volume comprises extended abstracts of the 15 plenary and keynote lectures and about 300 oral and poster contributions presented at this conference. AII contributed papers were reviewed by members ofthe European Committee on Rheology, assuring the high standard ofthe Conference.
Besides the scientific program, the Organizing Committee has prepared an extensive social program that wilI reveal the culture and the natural beauties of Slovenia.
Finally, on the behalf of the Organizing Board, we wish to acknowledge contributions of those who helped to the success of this conference. Important among these is the support of the Slovenian Ministry of Science and Technology.
The Editors
VII
CONTENTS
PLENARY PAPERS
Time-dependence in materials TSCHOEGLN.W. __________________________________________________________________ __
A constitutive analysis of uniaxial, equibiaxial and planar extension of linear and branched polyethylene melts WAGNER M.H., BASIT AN H., EHRECKE P., HACHMANN P., MEISSNER J. __________________________________ 4
KEYNOTE PAPERS
Flow instabilities as stress limiters for molten polymers DEALYJ.M. ____________________________________________________________________ 8
Recent advances in optical rheometry FuLLERG.G. ___________________________________________________________________ ll
Rheology and microstructure of oil-in-water emulsions GALLEGOs C., MADIEOO J.M., MACKLEY M.R. ______________________________________________ l3
Creep of solids - micromechanisms of deformation of semicrystalline thermoplastics and their long term behaviour KAUSCH H.-H., SCRAMUZZINO P., PLUMMER C.J.G. ___________________________________________ 17
Volume/shear interaction in glassy polymers KNAussW.G. __________________________________________________________________ 21
Rheology ofbiopolymer gel systems LAPASIN R., PRICL S. ______________________________________________________________ 22
Wall slip of polymer melts from squeeze flow and capillary rheometry LAUNH.M. _________________________________________________________________ 26
Some problems related to flow of rheokinetic liquids MALKIN A.Y A. _______________________________________________________________ 30
Microstructural changes in structured colloidal dispersions MELLEMA J., VAN DEN ENDE D. __________________________________________________________ 33
Rheology and morphology of immiscible polymer blends MOLDENAERS P., VINCKIER 1., VAN PuYVELDE P., Y ANG H. ______________________________________ 37
Elongational behaviour and molecular structure of polymer melts MONsTEDT H., KURZBECK S. __________________________________________________________ 41
Turbulent gas-liquid flows PEARSON J.RA. ____________________________________________________________________ 45
Rheological aspects of the design of technological process equipment - internal flows SESTÂK J. ____________________________________________________________________ 49
BIORHEOLOGY
Bioconvection in the black sea unicellular eucariotic algae: aggregate's rheology and quazimulticellular structures formation ALEYEVM.Y. 51
Rheological behaviour ofblood under unsteady flow conditions ANTONOVA N. 53
IX
Rheological behaviour and drainage of microscopic foam films from Infasurf ANrONOVAN., SEDEVR,EXEROWAD., IVANOVYA. 55
How viscoelastic properties of colloidal biopolymers modify rheological properties of seawater JENKINSON I.R, WY ATI T., MALEJ A 57
Marine organic aggregates in the northem Adriatic sea, their physical microstructure and biological origins MALEJ A, JENKINSON I.R, FLANDER V. 59
Wheat proteins as polymeric materials: rheological properties of plasticized gluten REDLA, GUILBERTS., VERGNESB. 61
Rheological-microstructure investigations ofbiopolymer mixtures with 'emulsion' character WOLF B., FRITH W.J., NORTON I.T. 63
How viscoelastic properties of colloids, transparent exopolymeric particles and marine organic aggregates, modify turbulence and plankton biodynamics in the sea WY ATI T., JENKINSON I.R, MALEJ A 65
BLENDS
Flow induced phase inversion in immiscible polymer blends ASTRUCM., NAVARDP. 67
RheologylResistivity correlation in carbon black-containing immiscible polymer blends BREUER O., TCHOUDAKOV R, NARKIS M., SIEGMANN A 69
Shear-Induced mixing and demixing in poly(styrene-co-maleic anhydride)/poly (methyl methacrylate) blends CHOPRAD., VLASSOPOULOS D., HATZIKIRIAKOS S.G. 71
Effect ofPU-NBR interactions on blends' dynamic properties DIMITRIEVSKI 1., SUSTERIC Z., MARlNOVIC T. 73
Rheological modeling ofpolymer blends with salami-type morphology F AHRLĂNDER M., FRIEDRICH CHR. 75
Rheological properties of grafted PMMA-particles in several polymeric matrices FAHRLĂNDERM., BRUCHM., GANTERM., FRIEDRICHCHR. 76
Rheological and morphological properties of polymer blends with cocontinuous structures FRIEDRICH CHR., WEIS C., STEINMANN C., MAIERD. 78
The morphology-dependent rheological behaviour of an immiscible model polymer blend GRIZZUTI N., BOUNOCORE G. 80
The effects of adding poly(styrene )-block -poly(butadiene )-block-poly(methylmethacrylate) triblock copolymers on the rheological properties and morphology of PPO/SAN Blends KIRSCHNICK T. 82
The deformation of an ellipsoidal drop under viscous flow conditions MAFFETIONE P.L., GUIDO S. , MINALE M. 84
Drop deformation in immiscible polymer blends MEYLHEUC L., BAUQUEY M., MULLER R 86
Modeling and scaling of dichroism relaxation in immiscible polymer blends VAN PvYVELDE P., MEwIS 1., MOLDENAERS P. 88
CONSTITUTIVE THEORIES AND EQUATIONS
Application ofphysically based creep damage equations to life-time predictions ofKirchhoff-and V. Karman plates ALTENBACH1., ALTENBACH H., NAUMENKOK. _______________________ 90
Constitutive equations for time depending behavior of type loading sensitive materials BALTOV A, DATCHEVAM. _____________________________ 92
x
On the use of characteristic variables in viscoelastic flow calculations GERRITSMAM.I., PHILLIPS T.N. 96
Prediction of shear-bending in flowing micellar systems GREcoF. 98
Modelling non-linear and time-dependent behaviour of viscoelastic materials using hierarchical models HEYMANS N. 100
The FENE-L and FENE-LS closure approximations for the kinetic theory offinitely extensible dumbbels LIELENS G., KEUNINGS R., LEGAT V. 102
Experimental-statistical modelling the effect of multi-fractional filler on rheological indices of compositions LY ASHENKO T., BARABASH I., SHINKEVICH E., SHCHERBINA S., VOZNESENSKY V. 104
A comparative study of the performance of several constitutive models in the modelling of fluids SI MAIA J.M. 106
Shear viscosity of a molten short fibers composites MESLIN F., POITOU A 108
Calculation of the residual stress development in injection moulding using a non-linear viscoelastic model MLEKUSCHB.A., LEHNERE.A., SPIEGLB. IlO
Identification ofviscoelastic rheological parameters by Inverse analysis NOUATIN H.O., COUPEZ T., AGASSANT J.-F. Il2
Energy storage as the characteristic feature of inelastic deformation of solid polymers OLEINIKE.F., RUONEV S., SALAMATINAO., KRAvCHENKOM., PARAMZINA T., SHENOGIN S., SHANTOROVICHP.,
HOEHNEG.W.H. Il4
A numerical/experimental study on the performance of enhanced viscoelastic constitutive equations PETERS G. W.M., SCHOONEN J.F.M., BAAIJENS F.P.T , MEIJER H.E.H. 116
Stress contribution in the relaxation of linear polymer melts under extensional flow RUBIO P., ALLAL A, MARIN G., ELBOUNIA N., ERNST B. 118
Saw-tooth argument transformation method in the theory of composite materials STARUSHENKOG., KRULIKN. 120
Structure - phenomenological rheology of dilute suspensions in liquid crystals TARANE.Yu., PRIDATCHENKO YU.V., TARAND.E. 122
Rheology and non-equilibrium thermodynamics VERHĂS J. 124
Fourier-transform rheology WILHELM M., REINHEIMERP., MARING D., SPIESS H.-W. 127
ELECTRO AND MAGNETORHEOLOGY
The effect of PVP polymer on rheological properties of Na-Bentonite slurry ALEMDARA, GONOORN. _____________________________ 129
Linear viscoelasticity of a model magnetorheological fluid DEGANSB.I., BLOMC., MELLEMAJ., PHILIPSEAP. ______________________ 131
Rheology of magnetizable powders related to the mechanics of magnetically stabilized beds HRIsTovJ.y. __________________________________ 133
Dynamics of induced chain structure in electrorheological suspensions RrHAP., KIMURAH., VLAsAKP. ,KOYAMAK. ________________________ 135
Electrorheological behaviour of polyaniline and ceramic powder suspensions in silicone oii TRLICA I., PA VLÎNEK v., SAHAP. ___________________________ 137
Magnetorheology of model suspensions VOLKOVAO., CuTILLAS S., BOSSIS G., MEUNIER A. ______________________ 139
XI
FLUID MECHANICS
Non-statioruuy simple Couette flow ofthe Oldroyd's 3 constants model at small Reynolds numbers BALANC. ________________________________________________________________ 141
Seconda1y flow of fluids in pipes of non-circuIar cross section BIRD C., PHILLIPS T.N., W ALTERS K. ________________________________________________ 143
Annular 1ineal Couette-Poiseuille flow of viscoplastic fluids DAVID 1., FILIP P. ___________________________________________________________ 145
Power-Iaw fluid through doubly concentrated concentric annuli DAVID 1., FILIP P. _____________________________________________________________ 147
Unsteady flow of an annular, non-isothermal, viscoelastic film HOUSIADAS K., TSAMOPOULOS 1. ____________________________ 149
Strain-thickening in pIanar flows MITsouLIsE. _________________________________ 151
Toms efIect in flooded jets NESYNG.Y.,MANzHAlV.N., SHTlNI.V.,MALKINA.YA. ____________________ 153
Visualisation of the flow field of a polymer solution in an open channel NISTORAN D., BALAN C., BRUJAN E., PANAITESCU V. _____________________ 155
Experimental and numerical study of the viscous dam-break problem NSOM B., PIAU 1.M., SARAMITO P., DEBIANE K., Ay ADI A. ____________________ 157
Squeeze flow of Bingham plastic SMYRNAIOS D., TSAMOPOULOS 1. ____________________________ 159
The efIect of waveforms on the vibrational processing of fresh concrete TEIXEIRAM.A.O.M., CRAIK R1.M., BANFILL P.F.G. ______________________________________ 161
Structure of the near-wall turbulence in drag-reducing flow TIHON 1., DESLOUIS C., TRIBOLLET B. __________________________ 163
Stability of the viscoelastic film flow down an inc1ined plane TIHON 1., WEIN O. ________________________________ 165
Curvilinear squeeze film of couple-stress fluid with reference to synovial joints W ALlCKI E., W ALICKAA. _____________________________ 167
Pressure drops in the conical flow of a molten metal W ALlCKI E., W ALlCKA A. _____________________________ 169
Troughflow of a Rivlin-Ericksen fluid between fixed surfaces of revolution W ALICKI E., W ALlCKA A. _____________________________ 171
Investigations offlow instabilities on high density polyethylene by Laser Doppler - Velocimetry W ASSNER W., MDNSTEDT H. _____________________________ 173
SimuIation of mixing of viscoelastic fluids in vessels WDNscHO. __________________________________ 175
Stokes motions of asymmetrical fibrous particIes in a stuart Vortex flowfield YOUN 1.K. ________________________________________________________________ 177
FOOD RHEOLOGY
Characterisation of complex doughs using a novel extrusion rheometer BAlLEY R, BRANCH C. ______________________________ 179
Rheological behaviour of food industrial gumms BARRAC6-SERRAM., ADRIA-CASASM.A., TORRES-CĂMARAR, SURIĂ-LLAD6P. ____________ 181
Modelling the shear behaviour of soft (cream) cheese BINDINO D.M., EDWARDS R ____________________________ 183
XII
Study of (SSD) biscuit baking by dynamic thennal analysis (DMT A, DSC, TGA) CHAVALLIERS.,DELLAVALLEG.,LoURDIND.,COLONNAP. ___________________ 185
Influence of the mixing conditions on the rheological behavior of a biscuit dough DOURNAUX1L., VERGNES B., CONTAMINEAS. ______________________ 187
Rheology of spray-dried egg yolk-xanthan gum aqueous dispersions FERGUSON 1, MuNOZ 1 " HUDSON N.E., ALFARO M.C., MACDONALD E., VELEZ G. ___________ 189
Influence of processing on the rheology of egg yolk products GUERREROA.,MIRANDA1,PARTALP. _________________________ 191
Influence of NaCMC in viscous synergism of locust bean gum + kappa carrageenan mixtures HERNANDES M.J., DoLZ 1, DoLZ M., HERRĂEZ M., DELEGIDO 1, PELLICER 1 ______________ 193
Rheological behaviour of oil-in-water emulsions stabilized by a spray-dried egg product MOROS lE., FRANCO lM., GALLEGOS C. _________________________ 195
Rheological behavior of crosslinked waxy Maize starch - kappa - carrgeenan mixtures TECANTE A., DOUBLIER lL _____________________________ 197
INDUSTRIAL RHEOLOGY
Rheological behaviour of aqueous concentrated glaze suspensions: influence of additives used ANOREOLAF., PELLACANI G.c., POZZI P., ROMAONOLI M. ___________________ 199
The myth of yield stress fluids BARNESH.A. __________________________________ 201
The measuring of yield stress liquids GALLEGOS C., FRANC01.M. ____________________________ 203
High rate transient start-up flow with glass fibres filled thermoplastics LEBLANCJ.L. ___________________________________ 204
Rheology of free-flowing granular materials MARCHALP., BAROISA., TREOUER v., TONOEURD., CHOPLINL. __________________ 206
The mixing of 'yield stress' fluids PATELD. ___________________________________ 208
A non-linear viscoelastic description of the Mooney and Mooney-relaxation test STEEMAN P.A.M., PALMEN 1.H.M. __________________________ 210
Interdependence of rheological parameters and printing quality in textile printing SOSTAR S., SCHNEIDERR _____________________________ 212
LIQUID CRYSTALS
Dynamics of point defects in nematic liquid crystals BAIC 1., ZUMER S. 214
The director trumbling-alignement transition in shear flows of nematic liquid crystal polyrners, modelled by continuum theory CAMPOSP.A., MARTINSA.F. 216
Temperature dependence of the rheological properties of acetoxypropycelIulose in the thennotropic chiral nematic phase CIDADEM.T., LEALC.R, GooINHoM.H., NAVARDP. 218
Cure Kinetics behavior and properties of epoxy-amine adhesives GoRBUNOVAI.YU., KERBERM.L., ALoAKovD.A., PONOMAREvI.N. 220
Elongational viscosity of a thermotropic liquid crystalline polyrner GoTSIS A.D., OORIOZOLAM.A. 222
XIII
Numerical simulation of liquid-crystalline polymer start -up flow in an eccentric cylinder geometry using the Doi theory GROSSO M., GRIZZUTI N., MAFFETIONE P.L., HAuN P., KEUNINGS R, LEGAT V. 224
Investigation into hand texture occurring in liquid crystal polymers HARRISONP., NAVARDP., CIDADEM.T. 226
Transient rheological behaviour of filled lyotropic liquid crystalline polymers HEINRICH E., VERMANT 1, MEWIS 1, MOLDENAERS P. 228
Determining the molecular weight distribution of polymers from their viscosity function using the fust mirror relation HOCHSTEIN B. 230
Viscometric functions of lyotropic LCP's and their theoretical description IĂKoBSONSE., FAlTELSONL. 232
The susceptibility to orientational ordering of two-dimensional polymer systems depending on the type of extending deformation MAxIMOV AV., Go1liBYU.YA., MAxIMOVAO.G., VANJUGINAS.S., KOROVKINA T.V. 234
Behavior under flow of side chain liquid crystal polymers QUIJADA-GARRJDO 1., SIEBERT H., SCHMIOT C., FRIEORICH C. 236
In situ NMR studies of liquid crystals in shear flow SCHMIDT C., BECKER P., HAsENHINDL A, MDLLER S., SIEBERT H. 238
Nonsymmetric viscoelasticity of liquid crystalline polymers VOLKOV V.S. 240
MATERIALS CHARACTERIZATION
Determination of equation for a family of creep curves for 38 MoCrAl 09 steel based on experimental research AMARlEIN., CoMANDARC., LEOND. 242
Impregnation of unwoven materials by polymers with yield stress ANTONOV S., KUUCHIKHIN v., KOTOMIN S. V., KUUCHIKHIN G., KERBER M. 244
Empirical correlations between free volume fractions from P ALS data and varions dynamic quantities in ortho-terphenyl BARTOS 1, KRISTIAK 1 246
Experimental verifications of the WLF - Doolittle equation for supercooled liquid dynamics by P ALS method: polyisobutylene BARTOS I., KRIsTIAK I. 248
Rheology of a solid polycarbonate at high strain rate; experimental study and numerical simulation BISILLIATM.L., BILLONN. 250
"Double reptation spectrum" an alternative molar mass distribution - material function conversion BRABEC C.l, ScHAUSBERGER A 252
Vibration transmissivity in mechanical systems with rubber elements using viscoelastic models BRATU P., MrnALCEA A 254
Correlation between viscoelastic shear and tension BRUELLER O.S. 256
Determination of equation of stress relaxation curves based on creep experimental research for 16 Mo 3 steel COMANDARC., LEOND., AMARIElN. 258
Rheological properties of plasticized starches DELLA VAlLE G., CARREAU P.l, COLONNA P., VERGNES B. 260
Non-linear stress relaxation in liquid foams DIOGOAC., BAPTISTAE. 262
On search for a generalized constant of polymer melts DOBKOWSKIZ., ZIELONKAM. 264
XIV
Structure and rheology of a micellar cubic crystal EISERP., MOUNOF., PORTEG., BERRET J.-F. 266
The rheological characterization ofRhamsan systems FLORJANCIC u., ZUPANClcA., ZUMERM., LAPASINR. 268
Creep recovery and molecular structure of polyethylene melts GABRIELC., KAsCHTA1., MONsTEDTH. 270
Oscillatory measurements of Styron 457 in toulene -loss and storage modulus master curves HADnSTAMovD. 272
Characterizing the properties of fresh concrete: BML-viscometer and BTRHEOM rheometer comparative experiments HuC., PELOvAG.I., WALRAVEN J.C. 274
Oscillatory granular flow JAIMES 1., JOSEPH G., MAGAf<A A, MENA B. 276
The new methods of reliability criteria for transportation elements KOPECKY M. 278
Measurements of torsion relaxation under hydrostatic pressure KRAu A, EMRII., TSCHOEGLN.W. 280
Determination of the molecular weight distribution of polymer melts LEONARDI F., ALLAL A, MARIN G. 283
Finite deformation analysis of origination of narrow slots in viscoelastic bodies LEVIN V.A., ZINGERMAN K.M. 285
Extrusion instabilities in polymers and chocolate MACKLEY M.R., OVIACI H., RANGANATHAN M., RUTGERS R. 287
Evaluation of models combining the molecular weight distribution with rheological data MAIER D., ECKSTEIN A, FRIEDRICH C., HONERKAMP J. 289
Rheological characterization of EPDM's possessing different structures MARINOVICT.,KRAuNoVAKM., SUSTERICZ. 291
Rheological investigations and modeling on semi-solid metal alloys MODIGELL M., KOKE l 293
Rheological study ofthe lamellar sponge and micellar phases ofthe CI2E4/CPyClJbenzyl alcohollwater system MONTALVOG., RODENASE., VALIENTEM. 295
Numerical and experimental investigation of thermal convection for thermodependent Herschel-Bulkley fluid in an annular duct with rotating inner cylinder NOUARC. 297
A semi-Lagrangian finite volume method for solving viscoelastic flow problems PHILLIPS T.N., WILLIAMS Al 299
The reliability and durability ofviscoelastic systems POTAPOvV.D., MARAsANOV A.1. 301
Inverse method for the characterization of the rheology of molten polymers in biaxial extension RODRIGUEZ-VILLAA.l, NGUYEN-NGOC T., BELLETM., AGA.~SANT 1.-F., LEBOUVIERD., JACQUEMETR. 303
Determining of relaxation time spectra from rheological data using an edge preserving regularization method ROTHS T., MAIER D., FRIEDRICH C., HONERKAMP 1. 305
Disentanglement effects in linear and branched polyolefins SCHEDENIG T., SCHAUSBERGER A, GAHLEITNER M., PIRGOV W. 307
Rheological, mechanical and adhesive properties of the filled LCP-thermoplastic blends SHUMSKY V., GETMANCHUK 1., BABICH v., LIPATOV Yu. 309
Free absolute strain of low density polyethylene in relation to screw speed in the extrusion process SIKORA1.W. 310
Elastomeric fracture by dynamic arguments SUSTERIC Z. 312
xv
Rheology of rock massive as a factor of synergetic mechanism of geocatastrophe VlLEGZHANIN V.N. 314
The relationship between foam stability and surface rheological properties WANTKEK.-D.,FRUHNERH. 315
Comparison of the generalized Maxwell and Stastna model for charaterizing dynamic moduli of modified asphalts WEINO., ZANZOIToL. 317
Modeling of rheology process in mining massif of potash salts rocks with large-scale underground structures ZHURAVKovM.A., DROZDS.G. 318
Rheological characterization of damping materials based on polysiloxanes ZIEWNKAM., DOBKOWSKIZ. 320
Influence of welan concentration on rheological properties of alumina dispersions in aqueous welan matrices ZUPANCIC A, ZUMERM., LAPASINR 322
MOLECULAR DYNAMICS AND THEORIES
The molecular rheology of star polymer melts: binary blends BWITIEREB., McLEISHT.C.B., HAKlKIA, YOUNGRN., MILNERS.T. 324
Prediction of molecular weight distribution from rheology: poly(dimethylsiloxanes)s blends CECCARONI A, LWRENS 1., RUDE E., MARcos M.R 326
The relaxation spectra ofpolymer networks with mobile effective viscous medium carrying away by the network GoTUBYU.YA., GURTOVENKOAA 328
Influence of mechanical deformation on electro-optical birefringence in polymer networks GoTLlB Yu. Y A., L YULIN S. v., TOSHCHEVlKOV v.P. 330
Simulation of polymer solutions in steady elongational flow HERNANDEZ CIFRE 1.G., GARCIA DE LA TORRE 1. 332
On the expression of the slress tensor in entangled polymers from molecular models IANNIRUBERTO G., MARRUCCI G. 334
Modelling low density polyethylene rheology using the POM-POM model INKSONN., McLEISHT.C.B., HARLENO. 336
Dynamics of actin filaments KRooERM. 338
Molecular dynamics simulation ofunsaturated polyesters modified by poly(ethylene glycol) end groups NEEWV 1., NIEMELA S., SUNDHOLM F., SKRIFV ARS M. 340
Compressed polymer brushes under the shear flow NEEWVI., SUNDHOLMF., BINDERK. 342
Computer simulation of dilute polymer solutions in transient elongational flows SAPHIANNIKOVAM.G., DARINSKII AA, DYAKONOVAN.E. 343
Rheology of physical networks VAYUKHIN S.E., IRZHAK T.F., IRZHAK V.I. 345
Microrheological properties in polymeric heterogeneous media by collision dynamics simulation YANOVSKYYU.G., KARNETYU.N., BALABAEVN.K. 347
XVI
NUMERICAL SIMULATIONS
A lattice Boltzmann model for the numerical simulation of non-linear viscoelastic fluids GlRAUD L. 349
Numerical simulation of nonlinear contact interaction between shell structures and supports (stamps) of different types GUDRAMOVYCHV.S. 351
The adaptive Lagrangian particle method applied to the start -up flow of finitely extensible dumbbells between eccentric cylinders HALIN P., GALLEZ x., LIELENS G., KEUNINGS R, LEGAT V. 353
Vse of linear viscoelastic constitutive law to model the time-dependent behaviour of an orthotropic glassfibre reinforced plastic HINTERHOElZLRM., MOSERK. 355
Granular dynamics simulation for an hexagona1 silo JOSEPH G., GEFFROY E., MENA B., W ALTON O.R, HUILGOL RR 357
Numerical analysis of the sorptive behaviour in the wood Koc P., HOUSKA M. 359
Capillary thinning of polymeric filaments KOLTE M.I., SZABO P., HAsSAGER O. 361
The effect of lubricant rheology in dynamically loaded journal bearings LI X.K., DA VIES A.R, PHILLIPS T.N. 363
Determination of rubber melt's initial viscosity from molecular weight distribution by neural networks LoTlC V., SUSTERIC Z. 365
The role of material in the simulation of the thermoforming process NOVOTNYP., KOUBAK., SAHAP. 367
Numerical prediction of the encapsulation effect for viscoelastic fluids SIZAIRE R, LEGAT V. 369
A study of finite volume methods for viscoelastic flows WAPPEROMP., WEBSTERM.F. 371
POLYMER MELTS AND POLYMER PROCESSING
Starch melting under shear BARRON C., DELLA VALLE G., COLONNAP., VERGNES B. 373
Rheotens experiments and elongationa1 behaviour of polymer melts BERNNAT A., WAGNERM.H. 375
Peroxide induced degradation of polypropylene: influence of molecular structure on the rheological properties BERZIN F., VERGNES B., DUFOSSE P., DELAMARE L. 377
Numerical simulation of the extrusion of polymer melts in the presence of slip at the walls BRASSEUR E., GEORGIOU G., KEUNINGS R, LEGAT V. 379
Melt rheology of reactive polymer blends CIRMANC., BAUQUEYM., TERRISSE1., MULLERR 381
A new instrument for measuring of rheological properties of gas-containing polymer melts DJOUMALIISKY S., TOULESHKovN. 383
Melt rheology of randomly branched polystyrenes FERRI D., LoMELLINI P. 385
Determination of the plateau moduli and entanglement molecular weights of polypropylenes of different tacticity FRIEDRICH CHR., ECKSTEIN A., SUHM 1., MAIER R -D., SASSMANNSHAUSEN 1., BocHMANN M., MOLHAUPT R 387
XVII
Effect of flow-induced phase transitions in TLCPS on the viscosity of PElTLCP blends GAOP. 388
Effect of extrusional shear flow on Iamellar polystyrene-polyisoprene diblock copolymers GEIGERK., LEIsTH., WIESNER U. 390
Shear flow of highly concentrated carbide powder suspensions HAUSNEROVA B., SAHA P., KUBĂT 1., KITANO T., BECKER 1. 392
A dose look at the "Sharkskin" melt fracture ofpolybutadiene INNY.W., DALYM.G., FISCHERR1., SHAwM.T. 394
The influence of processing conditions on mechanical properties of unreinforced and discontinuous glass fibre reinforced thermoplastics KECHA., LUDWIGH.-C., FRITzU., MOLLER U., MOOINGERB., EYERERP. 396
Shear and elongational flow of smectite / PMMA and hybrids and glass fiber / PMMA composites KOTSILKOVAR, OKIMOTOM., TAGUCHIH., SATON., SATOH., KOTAKA T. 398
Relationships between processing conditions and rheological behaviour of polyethylens KUUCHIKHINV., BORISENKOVAE., PLOTNIKOVAE., VASIL'EVG., MERRICK-MAcK1., O'REILLYN. 400
Elongational properties of polyolefin melts and correlations with their processing behaviour in film blowing and thennoforming KURZBECK S., MONsTEDT H. 402
Rheoiogical characterization of polyethylene melts with long relaxation times MEISSNERJ., KRAFrM. 404
Extrusion model for natural rubber compounds MEsEC A., ~U~TERIC Z., ZUMER M. 405
Effect of filler concentration on the transient viscosity of filled polypropylene melts MIK~OVA 1., FORTELNY 1. 407
Dependence of rheological properties of polyhydroxyethylene upon the content of additives of oligohydroxyethylene PANIGRAHI S. , KOSTINOVA T.A. 409
Rheological properties of polypropylene-copolyamide mixture melts at phase inversion TSEBRENKO M. V., REzANOVA N.M., TSEBRENKO I.A. 411
Time evolution of normal stresses in strong shear flows of polyethylene melts VELHOA.M., DlOOOA.C., MARlNG. 413
Partide coalescence and bubble dissolution in rotational molding VLACHOPOULOS 1., KONTOPOULU M., BELLEHUMEUR C. 415
Simulation of the polymer flow through dies of forming devices WALICKIE., WALICKAA. 417
Computation of the morphology changes of a polymer blend aIong a single-screw extruder WILCZYNSKI K., LACZYNSKI B., TYsZKIEWIcz A. 419
Comparison of measured shear and elongational viscosities with some rheoiogical models ZATLOUKALM., VLECEK1., DoBBIE T., SAHAP. 421
POLYMER SOLUTIONS
The influence of side-chain modification on shear thickening in solutions of some high molecular weight copolymers FERGUSON 1., HUDSON 1., EBOON 1.R, FLINTN.J., HOURSTOND.1., WARRENB.C.H. 423
Rheooptic properties of highly dilute polymer solutions - experiment and numerical simulation of the flow field GAMPERT B., EICH T., HAHN H. 425
Rheological properties of polyelectrolyte solutions GAMPERT B., WILKES C., EICH T. 427
XVIII
Dynamics arul rheology of Hairy-Rod polymers PETEKIDIS G., VLASSOPOULOS D., FYTAS G., ROLKENS R, WEGNER G. _______________ 429
A new transient network model applied to guar gum WIENTJES RH.W., DUITS M.H.G., JONGSCHAAP RlJ., MELLEMA1. ________________ 431
RHEOLOGY OF SOLIDS AND COMPOSITES
Temperature arul time relaxation of the complex Young's modulus for isotropic arul uniaxially drawn polymers BRONNIKOV S.V. 433
Some models for the transverse creep and damage behaviour of a unidirectional reinforced polymer matrix composite CARDON A.H., VANVOSSOLEC. 435
Creep behaviour of short glass fiber reinforced and virgin polybutylene terephthalate (PBT) - a comparison of experimental creep data to modeled data using the elementary volume concept (EVC) MOOINGERB., LUDWIGH.-C., KECHA., EYERERP. 437
Averaging of elastic and schrinkage properties for viscoelastic composites ORLIK1. 439
Physical aging effects in a-PMMA and PEO/a-PMMA blends RYCHWALSKIRW., VERNELJ., PELisEK V., SAHAP., VANNIKOV A. 441
Kevlar fibre epoxy composites thermic and mechanical characterization SUAY ANTON lJ., GIMENEZ E., MONLEON M., G6MEZ J.L. 443
Experimental study of anysotropic viscoelasticity of homo and heterophase polymer systems TERESHIN A., KULICHIKIN V. 445
Bulk moduli from physical aging and stress relaxation data VERNELJ., KUBATM.J., RYCHWALSKIRW., KUBAT 1. 447
RHEOMETRY, EXPERIMENTAL METHODS AND INSTRUMENTATION
Quantitative analysis of mixer-type rheometers ĂIr-KADI A., MARCHAL P., CHRISSEMANT A.S., BOUSMINAM., CHOPLIN L. 449
Rheological measurement during the setting of hydraulic concrete by acustic test ARNAUD L., THINET S., BOUTIN C. 451
Shear rheometry of uncured rubber compounds using a sliding cylinder rheometer BARRES C., LEBLANC J.L. 453
A technique for measuring the uniaxial extensional viscosity of elastic liquids BARRowM., WILLIAMSP.R 455
Quality control based on rheological molecular weight distribution fingerprints BRAUN H., PETRIH.-M., MADJEooJ.-M. 457
Flow birefringence of semidilute polymer solutions COSTEUX S., DJABOUROV M., CHARMET C. 459
Elongational rheometry with pre-shearing history CRuz-MENAJ., SERRANIAF., MENAB. 461
Viscoelastic measurement at very low temperature on lubricant systems D'ANToNAP., VETIORA., MATIEIL., BELLONIA., VANEWM., DECINDIOB. 463
High pressure viscosity of lubricants: effect of polymeric additives D'ANToNAP., VETTORA., MATTEIL., BELLONIA., VANELLIM., DECINDIOB. 465
Investigation of the stress induced gel - sol transition in polymers using parallel superposition and normal stress measurements DEL.COSTELLOB.A. 467
XIX
Special case of oscillatory differential equation for capillary FIALKAM., VASUT S. 469
Structural information from rheological data with a new software evaluation package FRANcKAJ.P., VANDYKET., MEADD. 471
Rheology as a quality control instnunent GAHLEITNERM., PAUUK C., NEIBL W. 473
What's new in capillary rheometry G6TTFERT A., REHERE.-O. 475
3D defonnation of a drop in simple shear flow by video microscopy GUIDOS., SIMEONEM., VILLONEM. 477
Speckle-photography in rheological measurements IVANovYA., KAVARDJIKOVV., KOTSILKOVAR, PASHKOULEVAD., STOYANOVV. 479
Experimental modeling of polymer brushes rubbing KOTOMIN S.V. 481
Microsqueezing technique for rheological studies KOTOMIN S.V., KUUCIDKHIN V.G. 483
A study of rupture conditions of polymer melts in extensional uniaxial flow MArA IM., COV AS IA., BARROSO V.C. 485
Comparison of creep and stressing experiments on polyolefin melts in elongation MONsTEDT H., KURZBECK S. 487
In-line rheological measurements and flow visuali:zation using Doppler ultrasound method URIEV B., WINDHAB EJ. 489
Studies of shear-induced microstructural changes in viscoelastic partide gels by wave dispersin measurements REN S.R, WILLIAMSP.R 491
Apparatus for measuring the time-dependent Poisson's ratio in uniaxial tension SAMARIN M., EMRI 1., TSCHOEGL N. W. 493
Investigations of the converging flows of low-density-polyethylenes by Laser-Doppler-Velocimetry (LDV) SCHMIDTM., WA6NERE., MONsTEDTH. 495
The singIe point evaluation method for the flow curve ofviscoelastic fluids and related problems SCHOMMER P. 497
A new method of standardi:zation of unsteady measurements applied to a shear rate controlled rheometer TALBI-BouCENNAI., QUEMADAD. 499
Rheology of cement pastes with ultrasonic shear wave method V ALIt M.I., STEPISNIK 1. 501
Parallel versus orthogonal superposition rheometry VERMANT 1., MOLDENAERS P., MEwrs l 503
Apparent wall slip in rotational viscometry WEINO. 505
High frequency viscoelasticity of concentrated colloidal dispersions WILLENBACHERN., BERGENHOLTZI, HORNF.M., RICHTERING W., WAGNERNJ. 507
Shear wave dispersion in gel networks WIWAMS P.R, WlWAMS RL. 509
Elastic efIects in liquid jets formed by bubble collapse WIWAMSP.R,BROWNS.W.1., WlWAMSP.M. 511
Measurements of a tensile strength of liquids by the free-surface reflection of compressional pulses WILLIAMS P.R, BROWN S. W.I, WILLIAMS P.M. 513
xx
SURFACTANTS
Non-linear viscoelasticity of micellar systems BAUTISTAF., SOLTEROJ.F.A., PUIGlE., MANEROO. 515
The influence of ageing of a cationic surfactant on flow characteristics CHĂRAZ., VLASĂKP., STERNP. 517
Rheological behaviour of the hexagonalliquid cl)'stalline phase for a Heptanelnonionic surfactantJwater system CORDOBES F., GALLEGOS C. 519
Stress optical coefficient in viscoelastic solutions DECRUPPE IP., HUMBERT C. 521
Structure and rheology of foam and emulsion films of gelatin-surfactants DERKATCH S.R, PETRovA L.A., IzMAILOVA V.N., T ARASEVITCH B.N., VORONJKO N.G. 523
A new class of shear induced structure in viscoelastic micellar solutions FISCHERP., WHEELERE.K., FuLLERG.G. 525
Micellar struc1ure break-up and recovel)' in turbulent of drag-Reducing surfactant solutions GASlJEVIC K., HOYER K., MATTHYS E.F. 527
Comparison of the effects of methyl and chloro substituted salicylate counterions on drug reducing and rheological behavior and microstructures of a cationic surfactants LINZ.,ZHENGY., TALMONY.,DAVIsH.T., SCRIVENL.E., ZAKINIL. 529
Influence of viscoelasticity on the turbulent drag reduction in surfactant solutions MrzUNUMAH., KUMAGAIT., UEDAK. 531
Relaxation and retardation spectra of lamellar liquid Cl)'stals in a Toluenelnonionic surfactantJwater system MuNozl, ALFAROM.C., GUERREROA.F. 533
Non linear rheology of wonnlike micelles PONTON A., QUEMADAD. 535
Rheology and NMR measurements of sodium dodecyl sulfate/decanoVwater nematics THlELE T., BERRET I-F., MOLLER S., ScHMIDT C. 537
SUSPENSIONS, EMULSIONS, DISPERSIONS, GELS
On tensile testing of concentrated suspensions ALEXANDROU A., BAZlLEVSKY A., ENTOVV.M., ROZHKOV A., SHARAF A. ______________ 539
Rheology of an associatively thickened latex AUBRYT., CORPART lM., MOANM. ___________________________ 541
Measurements of shear-induced self-diffusion in concentrated suspensions by a novel method BREEDVELD V., TRIPATHIA., ACRIVOS A. _________________________ 543
Rheo-optica1 study of thixotropy in synthetic clay suspensions COCARD S., TASSIN J.F. _______________________________ 545
A model to understand the concrete workability DECROIX F., LANOS C., CASANDJIAN c., LAQUERBE M. _____________________ 547
Orientation and interaction behaviour of rodlike particles in diluted, semi-diluted and higly-concentrated suspensions EISCHENI-C., WINDHABE.J. _____________________________ 549
Suspension of extensible rods model of extensional flows of polymer solutions ENTOVV.M. __________________________________ 551
Rheologica1 investigations of self-organizing sorbitol-networks in amorphous polymer matrices FuCHSK., FAHRLĂNDERM., MAIERR-D., FRIEDRICHCHR. ____________________ 553
The normal-stress-behaviour of suspensions with viscoelastic matrix fluid GLEIlILE S., GLEIlILE W., MCKINLEY G., BUGGISCH H. ______________________ 554
XXI
Rheological characteristics of lignite sIuny fuel GoUOOULAS T.B., KAsTRINAKIS E.G., NYCHAS S.G. 556
CapilIary rheometry of micellar aqueous solutions HERNANDEZ-AcOSTA S., GoNzĂLES-AL v AREZ A, MANERO O., MENDEZ-SANCHES AF., PEREZ-GoNZĂLES J., DE V ARGAS 1. 558
Influence of surface modified particles on the rheological properties of suspensions HEYMANN L., AKSEL N. 560
Rheological evaluation and aggregation of suspensions of large glass spheres in aqueus media JONES RL., BURTON AD., HORSLEY RR 562
On the time-dependent rheological behaviour of dispersions KASCHTAJ., SCHMIDTM., MONsTEDTH. 564
Rheological characterisation of clay dispersions KHERFELLAH N., BEKKOURK., ScRIVENER O., BENHADID S. 566
RheoIogy of modified polysaccha-ride poIymers in reactive printing KOKOL V.SOSTAR S. 568
The influence of coalescing aids on rheological and mechanical properties of final emulsions KONCNIKD., GoLOBJ., ZUPANCIC A 570
The rheology of concentrated suspension at a high rate deformation KRASHENINNIKOV A, KORNEV V. 572
Viscometric and pipe flow of inorganic waste slurries KRUSTEVAE. 573
Zero viscosity of a suspension submitted to a DC electric field LAMAIREE., LoBRYL. 575
Viscosity of aqueous suspensions ofbinary and temary alumina mixtures LAPASINR, PRICLS., STOLFAM. 577
Viscoelastic properties of Welan systems LAPASINR, MARTORANAA, GRASSIM., PRICLS. 579
Rheo-optical study of associative polymer solutions LEMEINS J.F., TASSIN J.F. 581
Measurements and modeling on a colloidal suspension of polymerically stabilized spheres NOMMENSENP.A., DUITsM.H.G., VANDENENDED., MELLEMAJ. 583
Particle-wall interaction in liquids with different rheology PROKUNIN AN. 585
Rheological study of the process of oiVwater emulsification RENOUF S., LI H.Z. , CHOPUN L. 587
Shear induced reorientations in a defective lyotropic lamellar phase RICHTERING W., BERGHAUSEN J., ZIPFEL J., LINDNER P. 589
Influence of the type of emulsifier on the rheokinetics of the emulsification process SANCHEZ M.C., BERJANO M., GUERRERO A, GALLEGOS C. 591
Rheological characterization of sunscreen emulsions SEMENZATOA, POROPATM., MARCAZZANM., BETTEROA, LAPASINR 593
Rheology of temperature sensitive polymer dispersions SENFF H., RrCHTERING W., NORHAUSEN W., BALLAUFF M. 595
A concept of the rheological behavior of suspensions STOY ANOV V. 597
On the viscosity of the suspensions STOYANOVV., KOTSILKOVAR, IVANovYA. 599
Simulation of the droplet deformation and the viscosity of an emulsion of Newtonian drops in a simple shear flow VAN DENENDED., ToosEE.M, MELLEMAJ. 601
XXII
Flow-induced disorder - order transitions in concentrated sterically stabilized dispersions VERMANT J., MEwIs J., FuLLER G.G. 603
The effect of additives on flow behaviour of Kaolin-water mixtures VLASAKP., CHÂRAZ., STERNP. 605
Ordering and dynamics of model soft spheres: Multiarm star polymers VLASSOPOULOS D., F'YrAS G., ROOVERS J., FLEISCHER G., PAKULA T. 607
Influence of particleshape and -morphology on the rheological behavior of highly concentrated suspensions and emulsions WINDHAB EJ., EISCHEN J. -C., BRAUN P. 609
TIME DEPENDENT PHENOMENA
Multi-structural thixotropic model LABANDA J., LLORENS J., MANs C. __________________________ 611
Rheological gel point determinations in silica and Titanium based sol-gel systems RUDEE., LLORENS J., MANs C. __________________________ 613
Relaxation spectrum evolution in polymerization reactions RUDEE., LLORENS J., MANsC. ___________________________ 615
The modelling research of the optotelecommunication cable and innerduct during ils installation SIKORAR., KLEPKA T. _____________________________ 617
AUTHORINDEX _________________________ 619
XXIII
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