Pulsatile blood flow in an aorta of normal subject is studied by Computational Fluid Dynamics (CFD) simulations. The main intention of this study is to determine the influence of the non-Newtonian nature of blood on a pulsatile flow through an aorta. The usual Newtonian model of blood viscosity and a nonNewtonian blood model are used to study the velocity distributions, wall pressure and wall s...

This article illustrates the spreading and receding characteristics of non-Newtonian droplets impinging on solid surfaces at different Weber numbers. A xanthan gum solution was used to generate non-Newtonian droplets. From digital images captured using a high speed camera, spreading diameters and dynamic contact angles (DCA) were measured during the impact process. Depending on impact velocity,...

by means of he's homotopy perturbation method (hpm) an approximate solution of velocity eld is derived for the ow in straight pipes of non-newtonian uid obeying the sisko model. the nonlinear equations governing the ow in pipe are for- mulated and analyzed, using homotopy perturbation method due to he. furthermore, the obtained solutions for velocity eld is graphically sketched and compared w...

The influence of non-Newtonian fluid behavior on the flow statistics turbulent bubble-laden downflow in a vertical channel is investigated. A Direct Numerical Simulation (DNS) study conducted for power-law fluids with indexes 0.7 (shear-thinning), 1 (Newtonian) and 1.3 (shear-thickening) liquid phase at gas volume fraction 6%. driven downward by constant volumetric rate corresponding to frictio...

Boundary layer analysis is introduced for providing a numerical treatment of steady state free convection flow non-Newtonian fluid micropolar type through an isothermal vertical permeable cone under impacts variable thermal conductivity and thermophoretic force. Both heat generation or absorption viscous dissipation are considered. The resulting altered boundary equations numerically tackled by...

The aim of this study is to investigate the effects of non-Newtonian blood rheology models on the wall shear stress (WSS) distribution in a cohort of patients-specific coronary arteries. Twenty patients with diseased left anterior descending (LAD) coronary arteries (with varying degrees of stenosis severity from mild to severe) who underwent angiography and in-vivo pressure measurements were se...