[图书][B] Computational rheology

RG Owens, TN Phillips - 2002 - World Scientific
The following sections are included: Advances in Mathematical Modelling Dynamics of
Dilute Polymer Solutions The Rouse model Dumbbell models Closure Approximations …

Nonlinear shear and extensional flow dynamics of wormlike surfactant solutions

B Yesilata, C Clasen, GH McKinley - Journal of Non-Newtonian Fluid …, 2006 - Elsevier
Nonlinear shear and extensional flow dynamics of a wormlike micellar solution based on
erucyl bis (2-hydroxyethyl) methyl ammonium chloride (EHAC) are reported here. The …

Numerical simulation of non-isothermal viscoelastic flows at high Weissenberg numbers using a finite volume method on general unstructured meshes

S Meburger, M Niethammer, D Bothe… - Journal of Non-Newtonian …, 2021 - Elsevier
In this numerical study, an original approach to simulate non-isothermal viscoelastic fluid
flows at high Weissenberg numbers is presented. Stable computations over a wide range of …

Non-isothermal modification of purely elastic flow instabilities in torsional flows of polymeric fluids

JP Rothstein, GH McKinley - Physics of Fluids, 2001 - pubs.aip.org
Previous experimental measurements and linear stability analyses of curvilinear shearing
flows of viscoelastic fluids have shown that the combination of streamwise curvature and …

Numerical modelling of sudden contraction in pipe flow

E Gücüyen, RT Erdem, Ü Gökkuş - Sigma Journal of Engineering …, 2019 - dergipark.org.tr
In the present work, full-scale numerical simulations of incompressible fluid flow through
different locations of sudden contractions are studied according to Computational Fluid …

[HTML][HTML] Simulation of flow of short fiber suspensions through a planar contraction

MK Yazdi, AR Sa, A Kamyabi, HH Amoli - Scientia Iranica, 2012 - Elsevier
In this study, the flow of a fiber filled viscoelastic matrix through planar contractions is
investigated. It was found that by adding fiber to the matrix vortex, the intensity increases …

Nonlinear dynamics of a highly viscous and elastic fluid in pipe flow

B Yesilata - Fluid dynamics research, 2002 - iopscience.iop.org
Nonlinear dynamics of the inertialess viscoelastic flow in pipe are studied for a highly elastic
polyisobutylene (PIB) based polymer solution (referred to as PIB Boger fluid). It is shown that …

Pressure measurements in highly viscous and elastic fluids

B Yesilata, AO¨ ztekin, S Neti… - J. Fluids Eng …, 2000 - asmedigitalcollection.asme.org
Pressure measurements in flows of highly viscous and elastic fluids are of practical
importance in polymer processing and rheology systems. Special problems arise during …

[PDF][PDF] Viscous heating effects in viscoelastic flow between rotating parallel-disks.

B Yesilata - Turkish Journal of Engineering and Environmental …, 2002 - Citeseer
Viscoelastic flow between two rotating parallel-disks (plates) is studied. First the current state
of the art is discussed and the limitations resulting from the simple flow assumptions are …

Temporal nature of polymeric flows near circular pipe-exit

B Yesilata - Polymer-Plastics Technology and Engineering, 2009 - Taylor & Francis
Polymeric (viscoelastic) fluids have nonlinear mechanical properties and therefore the flow
of a sufficiently elastic polymer solution may become irregular even at very low Re …