نتایج جستجو برای: newtonian heating

تعداد نتایج: 65793  

Although there are many excellent ways presenting the principle of the classical calculus, the novel presentations probably leads most naturally to the development of the non-Newtonian calculus. The important point to note is that the non-Newtonian calculus is a self-contained system independent of any other system of calculus. Since this self-contained work is intended for a wide audience, inc...

2012
Johannes V. SOULIS Kypriani V. SERALIDOU Yiannis S. CHATZIZISIS George D. GIANNOGLOU

The capabilities and limitations of various molecular viscosity models, when testing Left Coronary Artery (LCA) tree, were analyzed via: molecular viscosity, local and global non-Newtonian importance factors, Wall Shear Stress (WSS) and Wall Shear Stress Gradient (WSSG). Seven non-Newtonian molecular viscosity models, plus the Newtonian one, were compared. Dense grid of 620000 nodes located, mo...

Journal: :Journal of biomechanics 2016
Marcello Iasiello Kambiz Vafai Assunta Andreozzi Nicola Bianco

In this work, non-Newtonian effects on Low-Density Lipoprotein (LDL) transport across an artery are analyzed with a multi-layer model. Four rheological models (Carreau, Carreau-Yasuda, power-law and Newtonian) are used for the blood flow through the lumen. For the non-Newtonian cases, the arterial wall is modeled with a generalized momentum equation. Convection-diffusion equation is used for th...

Journal: :Journal of biomechanics 2006
Barbara M Johnston Peter R Johnston Stuart Corney David Kilpatrick

This study looks at pulsatile blood flow through four different right coronary arteries, which have been reconstructed from biplane angiograms. A non-Newtonian blood model (the Generalised Power Law), as well as the usual Newtonian model of blood viscosity, is used to study the wall shear stress in each of these arteries over the entire cardiac cycle. The difference between Newtonian and non-Ne...

2008
Chih-Hung Wang

In general relativity, quasi-local energy-momentum expressions have been constructed from various formulae. However, Newtonian theory of gravity gives a well known and an unique quasi-local mass expression (surface integration). Since geometrical formulation of Newtonian gravity has been established in the covariant Newtonian space-time, it provides a covariant approximation from relativistic t...

Journal: :international journal of industrial mathematics 0
ar. ‎haghighi‎ department of mathematics, urmia university of technology, urmia, ‎iran. s. asadi ‎chalak‎ department of mathematics, urmia university of technology, urmia, ‎iran.

in the present study, the nonlinear model of non-newtonian blood flow in cosine-shape stenosed elastic artery is numerically examined. the model is carried out for axisymmetric, two-dimensional and fully developed blood flow. the vessel wall is assumed to be have time-dependent radius that is important factor for study of blood flow. the cosine-shape stenosis convert to rigid artery by using a ...

Journal: :Journal of Nigerian Society of Physical Sciences 2023

This paper discusses two-dimensional heat flow of an incompressible non-Newtonian hydromagnetic fluid over a power-law stretching curved sheet. The energy equation the problem considers radiative flux influenced by viscous dissipation and surface frictional heating. Lorentz force Joule heating are taken in consequence applied variable magnetic field satisfying solenoidal nature magnetism. gover...

Journal: :International Journal of Applied Mechanics and Engineering 2022

Abstract In this article, we have discussed in detail the effect of Newtonian heating on MHD unsteady free convection boundary layer flow past an oscillating vertical porous plate embedded a medium with thermal radiation, chemical reaction and heat absorption. The governing PDEs model together related initial conditions been solved numerically by finite element method. dimensionless velocity, t...

2012
Quoc-Hung Nguyen

A non-Newtonian fluid is a fluid whose flow properties differ in many ways from those of Newtonian fluids. Most commonly the viscosity of non-Newtonian fluids is not independent of shear rate or shear rate history. In practice, many fluid materials exhibits non-Newtonian fluid behavior such as: salt solutions, molten, ketchup, custard, toothpaste, starch suspensions, paint, blood, and shampoo e...

In the present paper, we get exact solutions of Magnetohydrodynamic (MHD) of the fractionalized three-dimensional flow of Newtonian fluid with porous and heat transfer through the traveling wave parameter. The governing equations are produced dependent on established Navier-stokes equations which can be diminished to ordinary differential equation by wave parameter ξ=ax+by+nz+Utα/Γ(α...

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