Couple Stress
An assessment of couple stress theories
... primary couple stress theories: original Mindlin-Tiersten-Koiter couple stress theory (MTK-CST), modified couple stress theory (M-CST) and consistent couple stress ...
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STABILITY ANALYSIS OF THREE LOBE HYDRODYNAMIC JOURNAL BEARING: COUPLE STRESS FLUID EFFECTS
... of couple stress fluid, when added to a Newtonian base, are studied by deriving a generalized form of the Reynolds ...A couple stress parameter ‘l’ has been used to indicate the length of the ...
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A Semi-Circle Theorem in Couple-Stress Fluid in the Presence of Magnetic Field in a Porous Medium
... for couple- stress fluid configurations, in ...in couple-stress fluid. Keeping in mind the importance of couple-stress fluids and magnetic field in porous media, as stated ...
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A Non-Linear Stability Analysis of Rayleigh Bѐnard Magnetoconvection of a Couple Stress Fluid in the Presence of Rotational Modulation
... The combined effect of magnetic field and rotational modulation on Rayleigh Bѐnard convection of a couple stress fluid has been studied by employing nonlinear analysis using Ginzburg- Landau model. The ...
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MHD Effects on Peristaltic Flow of a Couple Stress Fluid in a Channel with Permeable Walls
... of couple stress liquids is that the anxiety tensor is against symmetric and their exact stream conduct can't be anticipated by the established Newtonian ...the couple stresses and this model has ...
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Effect of Hall Current in Oscillatory Flow of a Couple Stress Fluid in an Inclined Channel
... of couple stress fluid ( γ ) on velocity ...the couple stress parameter increases the resistance to the flow and thereby which may lead to decrease of the volume rate flow, which is in ...
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Thermo visco elastic Rayleigh waves under the influence of couple stress and gravity
... When viscosity, gravity, and couple-stress effects are neglected, the phase velocity equation 4.27 reduces to the thermo-elastic Rayleigh waves as presented by Chadwick [1].. ACKNOWLEDGE[r] ...
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THE EFFECTS OF COUPLE STRESS AND SURFACE ROUGHNESS IN SQUEEZE FILM LUBRICATION OF SPHERICAL BEARINGS
... In Fig.7 and 8 the squeezing time of spherical bearing t plotted with h s , the mean height of roughness asperities for various values of couple stress parameter l . As the mean height of roughness ...
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Magneto Hydrodynamic couple stress Squeeze film lubrication of Rough Annular Plates
... In this paper, the combined effect of surface roughness and transverse magnetic field on the performance characteristic of the annular plates lubricated with conducting couple stress fluid (CCSF) model, the ...
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Influence of couple stress lubricants on hole-entry hybrid journal bearings
... of couple stress lubricant on the distribution of fluid-film pressure in circumferential direction on mid plane of bearing is revealed in Figure 3(a) and ...of couple stress parameter 𝑙̅ ...
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HALL AND ION SLIP EFFECTS ON FREE CONVECTION HEAT AND MASS TRANSFER OF CHEMICALLY REACTING COUPLE STRESS FLUID IN A POROUS EXPANDING OR CONTRACTING WALLS WITH SORET AND DUFOUR EFFECTS
... also be generated by temperature gradients are known as the Soret effect. These effects are studied as second order phenomena and had applications in many areas such as petrology, geosciences, hydrology, etc. An ...
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Global Stability for Thermal Convection in a Couple Stress Fluid Saturating a Porous Medium with Temperature-Pressure Dependent Viscosity: Galerkin Method
... with couple-stress fluid would increase the load carrying capacity and stability, and decrease the friction factor and the attitude ...of couple-stress fluids, and all the results of their ...
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MHD Peristaltic Transport of Couple Stress Fluid in an Inclined Channel with Hall Current and Slip Flow
... Abstract. This paper describes the impact of the Hall current on MHD flow of a couple stress fluid in an inclined channel. The fluid is electrically conducting through a porous medium in the presence of ...
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Electro magneto hydrodynamic peristaltic pumping of couple stress biofluids through a complex wavy micro channel
... of couple stress fluids through a complex wavy channel under peristaltic ...incompressible couple stress fluid are modified with addition of Lorentz force per unit volume, and written as: ...
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The Effect of Couple Stress Fluid on the Squeeze Film Lubrication in Human Synovial Hip Joint
... of couple stress length parameters (l * ) is shown in ...the couple stress fluid ( l * 0) is to increase film pressure , especially in the vicinity of the position (r * = 0) than those of ...
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Peristaltic Transport of a Couple-Stress Fluid with Nanoparticles in an Inclined Tube
... It is known that many ducts in physiological system are not horizontal but have some inclination with the axis. Slip effects on peristaltic transport of power-law fluid through an inclined tube was investigated by Naby ...
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Electro osmotic flow of couple stress fluids in a microchannel propagated by peristalsis
... peristaltic flows have been addressed owing to their significance in novel microfluid devices. El Sayed et al. [36] used the Oldroyd viscoelastic model to analyze dielectric peristaltic pumping in a channel with heat ...
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The Effects of Post Stenotic Dilatations on the Flow of Couple Stress Fluid through Stenosed Arteries
... It is also noticed that velocity is decreases with height of the stenosis and increases with couple stress fluid parameter α (Figure 9 & Figure 10). And velocity is increas- es with height of the post ...
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A Mathematical Theorem on Couple-Stress Fluid in the Presence of Rotation
... a couple-stress fluid acted upon by uniform vertical rotation and heated from below is ...a couple-stress fluid of infinite horizontal extension and finite vertical depth, which is acted upon ...
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Flow of Couple Stress Fluid Between Two Parallel Porous Plates
... suction and injection applied at the lower and upper plates of the channel, respectively. Sran [9] investigated the Couette and Poiseuille flows of dipolar fluid between parallel plates maintained at constant but ...
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