Elastic instability in crossflow of polymer solutions through periodic arrays of cylinders
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Cited by (44)
Flow-Induced Locomotion of a Flexible Filament in the Wake of a Cylinder in Non-Newtonian Flows
2022, International Journal of Mechanical SciencesCitation Excerpt :To the best of our knowledge, the FIV problem has not been extensively studied in non-Newtonian fluid flows, and the development of knowledge in this field is required. Furthermore, some engineering problems like polymer processing of composites and micro-chip heat exchangers require studying the interaction between non-Newtonian fluid and structures [53–56]. In this study, the interaction of a structure with non-Newtonian fluid flow is compared with that of a Newtonian fluid using a non-Newtonian IB-LB-LS method that was attempted for the first time.
Complex flows of viscoelastic wormlike micelle solutions
2020, Journal of Non-Newtonian Fluid MechanicsElastoviscoplastic flows in porous media
2018, Journal of Non-Newtonian Fluid MechanicsViscoelastic flow simulations in random porous media
2017, Journal of Non-Newtonian Fluid MechanicsFlow resistance of viscoelastic flows in fibrous porous media
2017, Journal of Non-Newtonian Fluid MechanicsCitation Excerpt :Experimental measurements of the flow resistance for polymeric flows in aligned arrays of cylinders or undulating flow channels also reported the remarkable increase in the flow resistance for the Weissenberg number beyond a critical value [2–9]. The elastic instability is considered to be responsible at least partly for such a steep increase of flow resistance: i.e., the observations of transition from 2D steady flow to three-dimensional time dependent structure with unsymmetrical flow patterns, secondary flows (vortices) and pressure fluctuations through experiments of purely elastic fluids and these flow structures would transfer the energy from the mean flow to the disturbance flow and dissipate it continuously [10–12]. Newly study by De and co-workers [13] modeled unsteady viscoelastic flows through a continuous array of cylinders.
A coupled finite volume immersed boundary method for simulating 3D viscoelastic flows in complex geometries
2016, Journal of Non-Newtonian Fluid MechanicsCitation Excerpt :Flow past a single sphere, cylinder or an array of cylinders in a two dimensional environment has also been of interest in recent studies [1,2]. Chmielewski and Jayaraman [3] studied the flow of an elastic liquid through arrays of cylinders with a triangular or rectangular pitch. Their experiments were performed for a porosity of 0.70.