Viscoelastic Fluids
Investigation of Mixed Electro-Osmotic/Poiseuille Slip Flows of Viscoelastic Fluids in Rectangular Microchannels with Hydrophobic Surfaces
... of viscoelastic fluids in microchannels with rectangular cross sections by means of second order finite difference ...PTT-viscoelastic fluids is derived for slit hydrophobic microchannels, and ...
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On Stochastic Models Describing the Motions of Randomly Forced Linear Viscoelastic Fluids
... and that K satisfies the assumption 2.22–2.24. Therefore Theorems 4.2 and 4.3 hold for the Oldroyd fluid provided that the assumptions on F and G see AF–ASFG are valid. Remark 4.4. Theorem 4.2 resp., Theorem 3.3 holds ...
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Flow Behavior And Instabilities In Viscoelastic Fluids: Physical And Biological Systems
... of viscoelastic fluids give rise to a range of applications as well as challenges in both physical flow systems and biological processes, whose context we introduce ...
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On classical solutions of Rayleigh–Taylor instability in inhomogeneous viscoelastic fluids
... Recently, Jiang et al. [25] have proved the existence result of strong solutions of RT insta- bility in an inhomogeneous incompressible viscoelastic fluid. To begin with, let us recall the equations of an ...
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Gluing the ‘unwettable’: soil dwelling harvestmen use viscoelastic fluids for capturing springtails
... corresponds to the typical weight of springtails. Stretched glue droplets exhibited characteristics of a viscoelastic fluid forming beads- on-a-string morphology over time, similar to spider capture threads and ...
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On effect of surface tension in the Rayleigh–Taylor problem of stratified viscoelastic fluids
... In this article, we investigate the effect of surface tension in the Rayleigh–Taylor (RT) problem of stratified incompressible viscoelastic fluids. We prove that there exists an unstable solution to the linearized ...
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On the stability of Rayleigh–Taylor problem for stratified rotating viscoelastic fluids
... incompressible viscoelastic fluids under the rotation and the gravity in a horizontal periodic domain, in which the rotation axis is parallel to the direction of gravity, the two fluids are immiscible, and the ...
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Onset of Primary and Secondary Instabilities of Viscoelastic Fluids Saturating a Porous Layer Heated from below by a Constant Flux
... Newtonian fluids: (a) Neutral stability curve at the onset of oscillatory transverse rolls; (b) Critical Rayleigh number at the onset of steady longitudinal rolls against the lateral aspect ratio with different ...
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Exact analysis of heat convection in viscoelastic FENE P fluids through isothermal slits and tubes
... reported for SPTT fluids by Filali et al. [10]. Iaccarino et al. [14] presented an eddy viscosity model to simulate turbulent flows of homogeneous polymer solutions represented by the FENE-P model. They noted that ...
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Electro kinetically driven peristaltic transport of viscoelastic physiological fluids through a finite length capillary : mathematical modelling
... power-law fluids [40], simplified Phan-Thien–Tanner viscoelastic fluids [41] and viscoplastic (Casson, Herschel-Bulkley, and Bingham fluids) ...Jefferys viscoelastic electrolyte through ...
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On the mathematical modelling of a compressible viscoelastic fluid
... This paper is concerned with the mathematical modelling of compressible viscoelastic fluids. There are two impor- tant issues that need to be addressed over and above those that are required for a ...
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Jetting of complex fluids
... (Newtonian) fluids at short timescales are to measure free filament or DoD ligament retraction speeds 19 or the critical geometric length to width ratio for free ligaments that just avoid break-up 20,21 ...
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Stably layered fluids
... When the group velocity of a train of faster mode waves is the same as the phasevelocity of a slower mode wave there is significant interaction leading to a permanent wave structure comp[r] ...
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Neuroglia and spinal fluids
... The activity of potassium and calcium ions in interstitial fluid of these decapitate spinal cords is equal to that in spinal cords of cats with intact choroid plexus function, similar to[r] ...
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FLUIDS 2.pdf
... • Bernoulli’s Equation relates the pressure, elevation and speed of an incompressible fluid in steady flow. • It follows Newton’s Laws and is most easily derived by applying the wor[r] ...
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Fluids in the Continental Crust
... studies became more than a curious speciali- sation. In Nancy, France, fluid inclusion research developed rapidly in the 1960’s alongside fundamental work on petrological thermodynamics by Alain Weisbrod and his ...
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FLUIDS 1.pdf
... the cork experiences a force from the water pressure that is greater than the force of gravity so it accelerates upward!.. – It is equal to the weight of the fluid displaced by the b[r] ...
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08 Fluids In Motion.pptx
... • Streamline flow is the motion of a fluid in which every particle in the fluid follows the same path past a particular point as that.. followed by previous particles.[r] ...
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Drilling Fluids Engineering
... drilling fluids on most any job just as well as any seasoned hand in the ...Drilling fluids Engineer: Information Gathering/Data Tracking, Inventory Accounting & Control, Volume Accounting, Fluid ...
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Studies on Evaluation of Viscoelastic Material
... for obtaining the relaxation time and viscoelastic properties of a material. A constant stress below yield stress is applied to the material and the deformation is monitored with time. Compliance (J) is defined as ...
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