نتایج جستجو برای: non newtonian behavior

تعداد نتایج: 1875995  

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...

2005
Carlos Castro

We investigate the consequences of the Mach’s principle of inertia within the context of the Dual Phase Space Relativity which is compatible with the Eddington-Dirac large numbers coincidences and may provide with a physical reason behind the observed anomalous Pioneer acceleration and a solution to the riddle of the cosmological constant problem. The cosmological implications of Non-Archimedea...

This article is proposed to address the melting heat transfer of a Jeffrey fluid in Blasius and Sakiadis flow caused due to a moving surface. Thermal radiation and a constant free stream are considered in this mathematical model. The non-linear coupled dimensionless equations from the governing equations are attained by employing appropriate similarity transformations. The resulting dimensionle...

Journal: :Annals of the New York Academy of Sciences 2006
Ramon Berguer Joseph L Bull Khalil Khanafer

The growth of aneurysms and eventually their likelihood of rupture depend on the determination of the stress and strain within the aneurysm wall and the exact reproduction of its geometry. A numerical model is developed to analyze pulsatile flow in abdominal aortic aneurysm (AAA) models using real physiological resting and exercise waveforms. Both laminar and turbulent flows are considered. Int...

Journal: :Journal of Fundamental and Applied Sciences 2021


 Rayleigh-Bénard's convection is a classic problem of heat transfer. Since the 1900s, studies for Newtonian fluids have been widely developed in this field and phenomena well understood. On other hand, complexity non-Newtonian behavior makes number much lower. Among behavior, shear-thinning fluid are even rarer. This work focuses on numerical study natural shear thinning, Rayleigh-Bénard ...

Journal: :Journal of oleo science 2010
Suraj Chandra Sharma Kenichi Sakai Hideki Sakai Masahiko Abe

We have studied the rheological properties of mixtures of polyoxyethylene (10 mol) phytosterol (PhyEO(10)) and polyoxyethylene (10 mol) cholesterol (ChEO(10)) mixed in different ratios along with tetraethylene glycol monododecyl ether (C(12)EO(4)) surfactants in water. Addition of C(12)EO(4) to the aqueous solution of a mixture of (PhyEO(10) + ChEO(10)) results in one-dimensional micellar growt...

Journal: :Physical review letters 2012
Martin Trulsson Bruno Andreotti Philippe Claudin

Non-Brownian suspensions present a transition from Newtonian behavior in the zero-shear limit to a shear thickening behavior at a large shear rate, none of which is clearly understood so far. Here, we carry out numerical simulations of such an athermal dense suspension under shear, at an imposed confining pressure. This setup is conceptually identical to recent experiments of Boyer, Guazzelli, ...

2015
R. R. Kairi

In this paper, we investigated the influence of melting on mixed convection heat and mass transfer from the vertical flat plate in a non-Newtonian nanofluid saturated porous medium. The wall and the ambient medium are maintained at constant, but different, levels of temperature and concentration. The Ostwald–de Waele power-law model is used to characterize the non-Newtonian nanofluid behavior. ...

Journal: :Journal of dental research 1978
S G Vermilyea J M Powers A Koran

The rheological properties of six commercial fluid denture resins were determined by rotational viscometry. Initial viscosity ranged from 67 to 575 centipoise at a rotational speed of 10 revolutions per minute. All resins showed initial non-Newtonian flow behavior and increased viscosity with time.

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