Investigating the stability of viscoelastic stagnation flows in T-shaped microchannels

DOI10.1016/j.jnnfm.2009.06.002zbMath1274.76219OpenAlexW2107998361WikidataQ63432149 ScholiaQ63432149MaRDI QIDQ377171

P. C. Sousa, Manuel A. Alves, Mónica S. N. Oliveira, Gareth H. McKinley, Johannes Soulages

Publication date: 6 November 2013

Published in: Journal of Non-Newtonian Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://strathprints.strath.ac.uk/41373/

zbMATH Keywords

particle image velocimetrymicrofluidicsflow instabilitypolyethylene oxide (PEO)simplified Phan-Thien-Tanner modelsymmetry-breaking bifurcation

Mathematics Subject Classification ID

Experimental work for problems pertaining to fluid mechanics (76-05) Finite difference methods applied to problems in fluid mechanics (76M20) Viscoelastic fluids (76A10) Stability and instability of nonparallel flows in hydrodynamic stability (76E09)

Related Items (6)

Decoupled transient schemes for viscoelastic fluid flow with inertia ⋮ Numerical aspects in modeling high Deborah number flow and elastic instability ⋮ Purely elastic instabilities in three-dimensional cross-slot geometries ⋮ Control of a purely elastic symmetry-breaking flow instability in cross-slot geometries ⋮ Explicit invariant manifolds and specialised trajectories in a class of unsteady flows ⋮ Divergent streamlines and free vortices in Newtonian fluid flows in microfluidic flow-focusing devices

Cites Work

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• A finite volume formulation for simulating drop motion in a viscoelastic two-phase system
• The log-conformation tensor approach in the finite-volume method framework
• Stress singularities and the formation of birefringent strands in stagnation flows of dilute polymer solutions
• Purely elastic flow asymmetries in flow-focusing devices
• High-Deborah-number flow of a dilute polymer solution past a sphere falling along the axis of a cylindrical tube
• Flow of viscoelastic fluids past a cylinder at high Weissenberg number: stabilized simulations using matrix logarithms
• Effect of contraction ratio upon viscoelastic flow in contractions: the axisymmetric case
• Long-range memory effects in flows involving abrupt changes in geometry. I: Flows associated with L-shaped and T-shaped geometries
• A new consitutive equation derived from network theory
• Numerical simulation of nonlinear elastic flows with a general collocated finite volume method
• Benchmark solutions for the flow of Oldroyd-B and PTT fluids in planar contractions
• Plane contraction flows of upper convected Maxwell and Phan-Thien-Tanner fluids as predicted by a finite volume method
• Constitutive laws for the matrix-logarithm of the conformation tensor
• Non-isothermal modification of purely elastic flow instabilities in torsional flows of polymeric fluids
• The effects of gap width and dilute solution properties on the viscoelastic Taylor-Couette instability
• A convergent and universally bounded interpolation scheme for the treatment of advection
• The flow of viscoelastic fluids past a cylinder: Finite volume high-resolution methods

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