Numerical simulation of viscoelastic two-phase flows using openFOAM®

Habla, Florian and Marschall, Holger and Hinrichsen, Olaf and Dietsche, Laura and Jasak, Hrvoje and Favero, Jovani L. (2011) Numerical simulation of viscoelastic two-phase flows using openFOAM®. = Numerical simulation of viscoelastic two-phase flows using openFOAM®. Chemical Engineering Science, 66 (22). pp. 5487-5496. ISSN 0009-2509. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q1 (2011). .

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In this work a new solver is developed for the OpenFOAM® CFD toolbox, which handles viscoelastic two-phase flows. A derivative of the volume-of-fluid (VoF) methodology is used to describe the interface. Established constitutive equations derived from kinetic theory, such as Oldroyd-B, Giesekus, FENE-P and FENE-CR, from network theory of concentrated solutions and melts, such as linear and exponential Phan-Thien-Tanner (PTT), and from reptation theory, such as Pom-Pom and XPP models, as well as multi-mode formulations are implemented in OpenFOAM. Validation of the numerical technique is performed by comparing detailed simulation predictions to data from several experimental studies, numerical studies and analytical models found in the literature. Two well-known viscoelastic free-surface effects, namely the Weissenberg and the Die Swell effect, are simulated. Furthermore, transient and steady-state droplet flow in shear and elongational flows is examined. © 2011.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Analytical model; Concentrated solution; Die swell; Droplet flow; Elongational flow; Experimental studies; Free surfaces; Multimodes; Non-Newtonian fluids; Numerical studies; Numerical techniques; Oldroyd-B; OpenFOAM; Polymer processing; Reptation; Simulation prediction; VOF; Volume of fluids; XPP model, Constitutive equations; Elasticity; Mathematical models; Non Newtonian flow; Non Newtonian liquids; Rheology; Shear flow; Two phase flow; Viscoelasticity; Computer simulation
Divisions: 500 Department of Energy, Power Engineering and Environment > 530 Chair of Turbomachinery
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q1 (2011)
Date Deposited: 23 Apr 2015 09:52
Last Modified: 30 Mar 2017 15:39

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