نتایج جستجو برای: variable viscosity

تعداد نتایج: 292245  

Journal: :International journal of multidiciplinaries 2022

This paper aims the study of electrically conducting Newtonian fluid flow and heat transfer considering slip at moving belt with temperature dependent viscosity. A domain decomposition method (ADM) is employed to solve non-linear system equations. Explicit expressions are obtained for velocity profile distribution. Effect variable viscosity parameter, slip, Hartmann number, Brinkmann number Sto...

2017
Surajit Dutta G. C. Hazarika

The effects of variable viscosity and thermal conductivity on the MHD flow of micropolar fluid on a continuous moving surface in the presence of a transverse magnetic field are studied considering the viscosity and thermal conductivity as the inverse linear functions of temperature where the microinertia density is assumed to be variable and not constant, as many other earlier published papers....

Journal: :Acta poloniae pharmaceutica 2011
Zdenka Sklubalová Zdenek Zatloukal

In this work, the cone and plate rheological viscometry readings of the sterilized hydrogels of hypromellose 4000 (60 g/L) were investigated by using of the three-parameter Herschel a nd Bulkley powerlaw and the new empirical two-parameter model. In it, the independent variable of shear rate was transformed by logarithm and the dependent variable of shear stress by square root. The two-paramete...

Journal: :Journal of the mechanical behavior of biomedical materials 2010
Robert J Kane Weimin Yue James J Mason Ryan K Roeder

Poly(methyl methacrylate) (PMMA) bone cements have a long and successful history of use for implant fixation, but suffer from a relatively low fracture and fatigue resistance which can result in failure of the cement and the implant. Fiber or particulate reinforcement has been used to improve mechanical properties, but typically at the expense of the pre-cured cement viscosity, which is critica...

2011
Lars Lind

It has previously been shown that a high hemoglobin value, a major determinant of whole blood viscosity (WBV), 9 predicts cardiovascular events. One putative mechanism might be an impaired endothelial function. Erythrocyte deformability is 10 another rheologic feature of the erythrocyte being of importance for the flow properties of the blood, especially in the capillaries. 11 The present study...

2009
Sohail Nadeem Noreen Sher Akbar

In this article, we have considered incompressible Jeffrey fluids and studied the effects of variable viscosity in the form of a well-known Reynold’s model of viscosity in an asymmetric channel. The fluid viscosity is assumed to vary as an exponential function of temperature. The governing fundamental equations are approximated under the assumption of long wavelength and low Reynold number. The...

2004
Masanori Kameyama Akira Kageyama Tetsuya Sato

A numerical algorithm for solving mantle convection problems with strongly variable viscosity is presented. Equations for conservation of mass and momentum for highly viscous and incompressible fluids are solved iteratively by a multigrid method in combination with pseudo-compressibility and local time stepping techniques. This algorithm is suitable for large-scale three-dimensional numerical s...

Journal: :Biotechnology progress 2000
U Beyer R Ehwald

A viscometer suitable for rapid measurements in small volumes of highly viscous liquids is described. Using this device the viscometric affinity assay for glucose was studied under variable conditions in order to obtain basic information for the design of a viscometric glucose sensor. The viscosity of the dextran/Concanavalin A (ConA) solution is sensitive to glucose in a broad range of the she...

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