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Relevant bibliographies by topics / Elongational flow

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Academic literature on the topic 'Elongational flow'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Elongational flow"

1

Kugler, Susanne Katrin, Argha Protim Dey, Sandra Saad, Camilo Cruz, Armin Kech, and Tim Osswald. "A Flow-Dependent Fiber Orientation Model." Journal of Composites Science 4, no. 3 (July 22, 2020): 96. http://dx.doi.org/10.3390/jcs4030096.

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The mechanical performance of fiber reinforced polymers is dependent on the process-induced fiber orientation. In this work, we focus on the prediction of the fiber orientation in an injection-molded short fiber reinforced thermoplastic part using an original multi-scale modeling approach. A particle-based model developed for shear flows is extended to elongational flows. This mechanistic model for elongational flows is validated using an experiment, which was conducted for a long fiber reinforced polymer. The influence of several fiber descriptors and fluid viscosity on fiber orientation unde

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KOYAMA, Kiyohito, and Osamu ISHIZUKA. "Elongational Flow of Polymer Melt." Nihon Reoroji Gakkaishi(Journal of the Society of Rheology, Japan) 13, no. 3 (1985): 93–100. http://dx.doi.org/10.1678/rheology1973.13.3_93.

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Evans, J. R. G., and J. Greener. "Elongational flow processing of ceramics." Journal of Materials Processing Technology 96, no. 1-3 (November 1999): 143–50. http://dx.doi.org/10.1016/s0924-0136(99)00325-8.

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Kim, Hwan Chul, Ajit Pendse, and John R. Collier. "Polymer melt lubricated elongational flow." Journal of Rheology 38, no. 4 (July 1994): 831–45. http://dx.doi.org/10.1122/1.550595.

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Rabin, Y. "Polymer conformation in elongational flow." Journal of Chemical Physics 88, no. 6 (March 15, 1988): 4014–17. http://dx.doi.org/10.1063/1.453853.

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Kaye, A. "Convected coordinates and elongational flow." Journal of Non-Newtonian Fluid Mechanics 40, no. 1 (July 1991): 55–77. http://dx.doi.org/10.1016/0377-0257(91)87026-t.

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Varchanis, Stylianos, Simon J. Haward, Cameron C. Hopkins, Alexandros Syrakos, Amy Q. Shen, Yannis Dimakopoulos, and John Tsamopoulos. "Transition between solid and liquid state of yield-stress fluids under purely extensional deformations." Proceedings of the National Academy of Sciences 117, no. 23 (May 20, 2020): 12611–17. http://dx.doi.org/10.1073/pnas.1922242117.

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We report experimental microfluidic measurements and theoretical modeling of elastoviscoplastic materials under steady, planar elongation. Employing a theory that allows the solid state to deform, we predict the yielding and flow dynamics of such complex materials in pure extensional flows. We find a significant deviation of the ratio of the elongational to the shear yield stress from the standard value predicted by ideal viscoplastic theory, which is attributed to the normal stresses that develop in the solid state prior to yielding. Our results show that the yield strain of the material gove

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Rabin, Yitzhak, Frank S. Henyey, and Dennis B. Creamer. "Flow modification by polymers in strong elongational flows." Journal of Chemical Physics 85, no. 8 (October 15, 1986): 4696–701. http://dx.doi.org/10.1063/1.451744.

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Todd, B. D., and Peter J. Daivis. "Elongational viscosities from nonequilibrium molecular dynamics simulations of oscillatory elongational flow." Journal of Chemical Physics 107, no. 5 (August 1997): 1617–24. http://dx.doi.org/10.1063/1.474512.

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Münstedt, Helmut. "Recoverable Extensional Flow of Polymer Melts and Its Relevance for Processing." Polymers 12, no. 7 (July 8, 2020): 1512. http://dx.doi.org/10.3390/polym12071512.

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While the uniaxial elongational viscosity is widely investigated, and its relevance for processing is described in the literature, much less has been published on the recoverable extensional flow of polymer melts. This paper presents a short overview of the dependencies of the recoverable elongation on the molecular structure of a polymer, and on some experimental parameters. Its main focus lies on the discussion of processing operations and applications that are largely affected by the elastic components of elongational flow. The recoverable portions of stretched films are considered, and the

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Dissertations / Theses on the topic "Elongational flow"

1

Greener, James. "Elongational flow in ceramics processing." Thesis, Brunel University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294511.

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Smitter, Luis Manuel. "Study of the interactions between poly(ethylene oxide) and anionic surfactants in elongational flow." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/279813.

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The rheology of polymer solutions is important in a wide variety of applications. In particular, solutions of high-molecular-weight, flexible polymers exhibit an increase in their apparent extensional viscosity with strain rate under extensional flow conditions. This extension thickening is due to formation of transient entanglements of polymer molecules. Certain commercial fluids contain both polymers and surfactants that might interact at the molecular level. These interactions affect the conformation of the polymer chain and, therefore, the rheological behavior of the solution. For instance

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Frascoli, Federico. "Chaotic and rheological properties of liquids under planar shear and elongational flows." Swinburne Research Bank, 2007. http://hdl.handle.net/1959.3/22416.

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Thesis (PhD) - Swinburne University of Technology, Centre for Molecular Simulation - 2007.<br>Dissertation submitted in fulfilment of requirements for the degree Doctor of Philosophy, Centre for Molecular Simulation, Faculty of Information and Communication Technologies, Swinburne University of Technology, 2007. Typescript. Includes bibliographical references (p. 151-161).

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Recktenwald, Steffen Michael [Verfasser], and N. [Akademischer Betreuer] Willenbacher. "Flow Instabilities of Dilute Surfactant Solutions in Elongational Deformations / Steffen Michael Recktenwald ; Betreuer: N. Willenbacher." Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1190178834/34.

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Hadinata, Chitiur, and chitiurh@yahoo com au. "Flow-induced crystallization of polybutene-1 and effect of molecular parameters." RMIT University. Civil, Environmental and Chemical Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080212.163803.

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There are two main goals of this thesis: to investigate the flow-induced crystallization behaviour of Polybutene-1 (PB-1 samples, and to study the effects of molecular parameters on the crystallization behaviour While flow-induced crystallization is not a new area in polymer research, well-defined experimental methods that allow access to high flow rate range comparable to that encountered in real processing are still lacking. Two types of flow are considered: shear and uniaxial elongational. Regarding the second aim, several molecular parameters considered are: molecular weight, molecular wei

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Georgieva, Kristina [Verfasser], and N. [Akademischer Betreuer] Willenbacher. "Clogging of Microchannels by Nano-particles due to Hetero-coagulation in Elongational Flow / Kristina Georgieva. Betreuer: N. Willenbacher." Karlsruhe : KIT-Bibliothek, 2013. http://d-nb.info/1033837318/34.

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Yu, Wei. "Development of an elongational-flow microprocess for the production of size-controlled nanoemulsions : application to the preparation of composite and hybrid polymeric microparticles." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAE027/document.

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L’objectif de ce travail fut de développer et d’étudier les performances d’un microprocédé basse pression à écoulement élongationnel pour la production de nanoémulsions polymérisables de tailles contrôlées et de distributions de taille étroites. Le diamètre des nanogouttelettes a pu être précisément ajusté dans la gamme 50-300 nm en modifiant simplement les paramètres de procédé : le débit réciproque au travers du micromélangeur, le nombre de cycles et la dimension caractéristique du microcanal. Les nanoémulsions produites furent, dans une seconde étape, polymérisées par voie thermique ou par

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El, Kissi Nadia. "Stabilité des écoulements mixtes de polymères fondus : [thèse en partie soutenue sur un ensemble de travaux]." Grenoble INPG, 1989. http://www.theses.fr/1989INPG0046.

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Etude de fluides silicones. Comportement en cisaillement a l'aide d'un rheometre cone-plan ou capillaire. Existence de deux zones de recirculation en amont de la contraction. Localisation du defaut de peau de requin a la sortie des filieres (rupture par fissuration du fluide). Instabilite de l'ecoulement. Etude de la forme des filieres en filage textile

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Hagen, Thomas Ch. "Elongational Flows in Polymer Processing." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/29437.

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The production of long, thin polymeric fibers is a main objective of the textile industry. Melt-spinning is a particularly simple and effective technique. In this work, we shall discuss the equations of melt-spinning in viscous and viscoelastic flow. These quasilinear hyperbolic equations model the uniaxial extension of a fluid thread before its solidification. We will address the following topics: first we shall prove existence, uniqueness, and regularity of solutions. Our solution strategy will be developed in detail for the viscous case. For non-Newtonian and isothermal flows, we shall ou

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V, Venkataramanan. "Material characterization in elongational flows /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487943610784079.

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Books on the topic "Elongational flow"

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Nguyen, Tuan Quoc, and Hans-Henning Kausch, eds. Flexible Polymer Chains in Elongational Flow. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3.

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Nguyen, Tuan Quoc. Flexible Polymer Chains in Elongational Flow: Theory and Experiment. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999.

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McGinness, Ann M. Evaluation of shear and elongational flow regimes on the oscillatory rheological properties of a model of chocolate. Birmingham: University of Birmingham, 1996.

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1949-, Nguyen Q. Tuan, and Kausch H. H, eds. Flexible polymer chains in elongational flow: Theory and experiment. Berlin: Springer, 1999.

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(Editor), Tuan Q. Nguyen, and Hans-Henning Kausch (Editor), eds. Flexible Polymer Chains in Elongational Flow: Theory and Experiment. Springer, 1999.

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Escudier, Marcel. Basic equations of viscous-fluid flow. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198719878.003.0015.

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In this chapter it is shown that application of the momentum-conservation equation (Newton’s second law of motion) to an infinitesimal cube of fluid leads to Cauchy’s partial differential equations, which govern the flow of any fluid satisfying the continuum hypothesis. Any fluid flow must also satisfy the continuity equation, another partial differential equation, which is derived from the mass-conservation equation. It is shown that distortion of a flowing fluid can be split into elongational distortion and angular distortion or shear strain. For a Newtonian fluid, the normal and shear stres

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Muders, Thomas, and Christian Putensen. Pressure-controlled mechanical ventilation. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0096.

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Beside reduction in tidal volume limiting peak airway pressure minimizes the risk for ventilator-associated-lung-injury in patients with acute respiratory distress syndrome. Pressure-controlled, time-cycled ventilation (PCV) enables the physician to keep airway pressures under strict limits by presetting inspiratory and expiratory pressures, and cycle times. PCV results in a square-waved airway pressure and a decelerating inspiratory gas flow holding the alveoli inflated for the preset time. Preset pressures and cycle times, and respiratory system mechanics affect alveolar and intrinsic positi

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Book chapters on the topic "Elongational flow"

1

Gooch, Jan W. "Elongational Flow." In Encyclopedic Dictionary of Polymers, 264. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4348.

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Borisov, O. V., and A. A. Darinskii. "Stretching of Polyelectrolytes in Elongational Flow." In Flexible Polymer Chains in Elongational Flow, 73–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_5.

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de Gennes, P. G. "Tortured Chains: An Introduction." In Flexible Polymer Chains in Elongational Flow, 1–3. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_1.

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Perkins, T. T., D. E. Smith, and S. Chu. "Single Polymers in Elongational Flows: Dynamic, Steady-State, and Population-Averaged Properties." In Flexible Polymer Chains in Elongational Flow, 283–334. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_10.

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Müller, A. J., and A. E. Sáez. "The Rheology of Polymer Solutions in Porous Media." In Flexible Polymer Chains in Elongational Flow, 335–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_11.

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Ryckaert, Jean-Paul, and Carlo Pierleoni. "Polymer Solutions in Flow: A Non-Equilibrium Molecular Dynamics Approach." In Flexible Polymer Chains in Elongational Flow, 5–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_2.

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Brochard-Wyart, F., and A. Buguin. "Tethered Polymer Chains under Strong Flows: Stems and Flowers." In Flexible Polymer Chains in Elongational Flow, 41–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_3.

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Rabin, Yitzhak, and Shlomo Alexander. "Osmotic Pressure in Solutions of Stretched Polymers." In Flexible Polymer Chains in Elongational Flow, 67–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_4.

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Laso, Manuel, Marco Picasso, and Hans Christian Öttinger. "Calculation of Flows with Large Elongational Components: CONNFFESSIT Calculation of the Flow of a FENE Fluid in a Planar 10:1 Contraction." In Flexible Polymer Chains in Elongational Flow, 101–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_6.

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Odell, J. A., and S. P. Carrington. "Polymer Solutions in Strong Stagnation Point Extensional Flows." In Flexible Polymer Chains in Elongational Flow, 137–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58252-3_7.

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Conference papers on the topic "Elongational flow"

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Odell, J. A., and A. Keller. "Macromolecules in elongational flow-fields." In AIP Conference Proceedings Volume 137. AIP, 1986. http://dx.doi.org/10.1063/1.35515.

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Ouchi, Mayumi, Takatsune Narumi, Tomiichi Hasegawa, Tsutomu Takahashi, Masataka Shirakashi, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "Elongational Deformation of DNA Polymers in Micro Flow." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964908.

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Kheirandish, Saeid, Ilshat Guybaidullin, Wendel Wohlleben, Norbert Willenbacher, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "Shear and Elongational Flow Behavior of Inhomogeneous, Acrylic Thickener Solutions." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964758.

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Ciocanel, Constantin, Glenn Lipscomb, and Nagi G. Naganathan. "Evaluation of a Constitutive Equation for Magnetorheological Fluids in Shear and Elongational Flows." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79974.

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A microstructural model of the motion of particle pairs in MR fluids is proposed that accounts for both hydrodynamic and magnetic field forces. A fluid constitutive equation is derived from the model that allows prediction of velocity and particle structure fields. Results for simple shear and elongational flows are presented for cases where particle pairs remain in close contact so they are hydrodynamically equivalent to an ellipsoid of aspect ratio two. Additionally, only the magnetic force component normal to the vector connecting the centers of a particle pair affects motion. Shear flow re

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Wagner, M. H., V. H. Rolón-Garrido, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "Verification of Branch Point Withdrawal in Elongational Flow of Pom-Pom Polystyrene Melt." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964711.

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Tahir, M., R. E. Hincapie, M. Be, and L. Ganzer. "Experimental Evaluation of Polymer Viscoelasticity During Flow in Porous Media: Elongational and Shear Analysis." In SPE Europec featured at 79th EAGE Conference and Exhibition. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/185823-ms.

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Wagner, Manfred H., and Víctor H. Rolón-Garrido. "Elongational flow of polymer melts at constant strain rate, constant stress and constant force." In NOVEL TRENDS IN RHEOLOGY V. AIP, 2013. http://dx.doi.org/10.1063/1.4802612.

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Venerus, David, Teresita Guadarrama-Medina, Tai-Yi Shiu, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "A Continuous Lubricated Squeezing Flow Technique to Study the Rheological Behavior of Polymer Melts in Equibiaxial Elongational Flow." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964510.

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Paolo, La Mantia Francesco, Ceraulo Manuela, Mistretta Maria Chiara, Sutera Fiorenza, and Ascione Laura. "Effect of polarity and elongational flow on the morphology and properties of a new nanobiocomposite." In THE SECOND ICRANET CÉSAR LATTES MEETING: Supernovae, Neutron Stars and Black Holes. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4937307.

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Ushida, Akiomi, Tomiichi Hasegawa, Hiroshige Uchiyama, and Takatsune Narumi. "Flow Properties for Several Kinds of Liquid Flows Through Micro-Orifices." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-14003.

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In this paper, the flow properties of several types of liquid passing through various sizes of micro-orifices were investigated. The jet thrust and pressure drops were measured for two polyethylene glycol solutions and four surfactant solutions. Different flow properties were found for the various surfactant solutions depending on the charge of the solute. For an anionic surfactant, the results were similar to those for water, whereas in the case of a cationic surfactant, both the jet thrust and pressure decreased greatly in comparison with the other test liquids. Finally, a nonionic surfactan

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