Progress and Trends in Rheology V: Proceedings of the Fifth European Rheology Conference Portorož, Slovenia, September 6–11, 1998 PDF
Preview Progress and Trends in Rheology V: Proceedings of the Fifth European Rheology Conference Portorož, Slovenia, September 6–11, 1998
Proceedings of the Fifth European Rheology Conference FIFTH EUROPEAN RHEOLOGY CONFERENCE Portoroz, Slovenia, September 6-11, 1998 ORGANIZING COMMITTEE Emri I., Chair, University ofLjubljana, Center for Experimental Mechanics Cvelbar R, University ofLjubljana, Center for Experimental Mechanics Malavasic T., National Institute of Chemistry, Ljubljana Osredkar u., National Institute ofChemistry, Ljubljana Sebenik Z., National Institute of Chemistry, Ljubljana Zupancic A, University ofLjubljana, Faculty ofChemistry and Chemi cal Technology ZumerM., University ofLjubljana, Faculty ofChemistry and Chemi cal Technology European Committee on Rheology, serving as Scientific Committee: Diogo AC., Instituto Superior Tecnico, Lisboa, Portugal Djabourov M., Ecole Superieure de Physique et Chimie Industrielle, Paris, France Emri I., University ofLjubljana, Ljubljana, Slovenia Fe rguson 1, University of Strathclyde, Glasgow, Great Britain Gallegos C., Universidad de Huelva, Huelva, Spain Grizzuti N., Univerista di Napoli "Fererico II", Napoli, Italy Ivanov Y, Bulgarian Academy of Sciences, Sofia, Bulgaria c., Klason Chalmers University of Technology, Gothenburg, Sweden Korugic L., L-Universita ta Malta, Msida, Malta v., Kulichikhin The Russian Academy of Sciences, Moscow, Russia Lapasin R., Universita di Trieste, Trieste, Italy Marrucci G., Univerista di Napoli "Fererico II", Napoli, Italy Meijer H.E.H., Eindhoven University ofTechnology, Eindhoven, The Netherlands Mewis 1, Katholieke Univerisiteit Leuven, Heverlee, Belgium Mitsoulis E., University of Ottawa, Ottawa, Canada Moldeaners P., Katholieke Univerisiteit Leuven, Heverlee, Belgium Munstedt H., Universităt Erlangen -Numberg, Erlangen, Germany Ottinger H.C., ETH Zuerich, Zurich, Switzerland Piau 1-M., Univerisite Grenoble, Grenoble, France Ribitsch V., Univerisităt Graz, Graz, Austria Schausberger A, Jahannes-Kepler-Universităt Linz, Linz, Austria Stading M., STHlSIK -Biofysik, Gothenburg, Sweden Sestak 1, CVUT, Prague, Czech Republic Wagner M.H., Universităt Stuttgart, Stuttgard, Germany Walters K., 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 Bibliothek This work is subject to copyright. AlI ©1998 CIP-Einheitsaufuahme rights are reserved, whether the whole by Springer-Verlag Berlin Heidelberg or part of the material is concemed, Originally published by Dr. Dietrich Steinkopff specifically those rights of translation, Verlag GmbH & Co. KG, Dannstadt Progress and trends in rheology V : reprinting, reuse of ilIustrations, Chemisty Editor: Dr. Maria proceedings of the Fifth European recitation, broadcasting, reproduction Magdalene Nabbe; Rheology Conference, Portoroz, on microfilms or in other ways, and Production: Holger Frey Slovenia, September 6 - Il, 1998/ storage in data banks. Duplication of ed. 1. Emri. this publication or parts thereof is Technical co-ed. R. Cvelbar. - only permitted under the provisions of Darmstadt: Steinkopff, 1998 the German Copyright Law of September 9, 1965, in its version of ISBN 978-3-642-51064-9 ISBN 978-3-642-51062-5 (eBook) June 24, 1985, and a copyright fee DOI 10.1007/978-3-642-51062-5 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. 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., BASITA N 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 WYA TI 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. _____________________________9 2 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., PAV LÎNEK 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. _____________________1 55 Experimental and numerical study of the viscous dam-break problem NSOM B., PIAU 1.M., SARAMITO P., DEBIANE K., AyA DI 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
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