Flow Profile Distribution in Narrow Annuli Using Modified Yield Power-Law Fluid Model

ICIPEG 2014 ◽  
2015 ◽  
pp. 209-217
Author(s):  
T. N. Ofei ◽  
S. Irawan ◽  
W. Pao
Keyword(s):  
Power Law ◽  
Fluid Model ◽  
Flow Profile ◽  
Power Law Fluid ◽  
Profile Distribution ◽  
Narrow Annuli

scholarly journals Analysis of Blood Flow in Arterial Stenosis Using Casson and Power-Law Fluid Model

2013 ◽  
Vol 14 (2) ◽  
pp. 73
Author(s):  
Riri Jonuarti
Keyword(s):  
Blood Flow ◽  
Power Law ◽  
Fluid Model ◽  
Blood Flow Rate ◽  
Casson Fluid ◽  
Arterial Stenosis ◽  
Fluid Models ◽  
Power Law Fluid ◽  
Pass Through ◽  
Flow Power

Simulation of blood flow behaviour in the arteries and in arterial stenosis has been made and will be discussed in this paper. This simulation uses pulsatile flow and blood flow in artery without stenosis is considered as a dynamic fluid, compressed and condensed. Whereas, in the case of arterial stenosis has been used Casson and Power-law fluid models. In the arteries without stenosis, blood flow velocity profiles show the same pattern for each Womersley number, but with different speed value. In the case of arterial stenosis, blood flow rate decreases with increasing stenosis position away from axis of blood vessels. Resistances to flow are increases with increasing the size (height and length) of stenosis, both for the Casson and Power-law fluid models. If resistance to flow increases, it is more difficult for the blood to pass through an artery, result the flow decreases and heart has to work harder to maintain adequate circulation.Keywords : Artery, blood flow, power-law fluid, Casson fluid, stenosis  

Power law fluid model for blood flow through a tapered artery with a stenosis

2011 ◽  
Vol 217 (17) ◽  
pp. 7108-7116 ◽  
Author(s):  
S. Nadeem ◽  
Noreen Sher Akbar ◽  
Awatif A. Hendi ◽  
T. Hayat
Keyword(s):  
Blood Flow ◽  
Power Law ◽  
Fluid Model ◽  
Power Law Fluid ◽  
Tapered Artery ◽  
Flow Through

Thin film elastohydrodynamic lubrication—a power-law fluid model

2006 ◽  
Vol 39 (11) ◽  
pp. 1474-1481 ◽  
Author(s):  
Hsiao-Ming Chu ◽  
Wang-Long Li ◽  
Yuh-Ping Chang
Keyword(s):  
Thin Film ◽  
Power Law ◽  
Fluid Model ◽  
Elastohydrodynamic Lubrication ◽  
Power Law Fluid

scholarly journals Analytical Solution of Tank Drainage for Electrically Conducting Power Law Fluid

2018 ◽  
Author(s):  
Saeed Islam ◽  
Kamran Nazir Memon ◽  
Abdul Majeed Siddiqui ◽  
Syed Feroz Shah
Keyword(s):  
Analytical Solution ◽  
Velocity Profile ◽  
Power Law ◽  
Analytic Solution ◽  
Fluid Model ◽  
Power Law Fluid ◽  
Special Effects ◽  
Electrically Conducting ◽  
Proposed Model ◽  
Drainage Problem

This paper investigates the tank drainage problem of an isothermal, unsteady, incompressible electrically conducting Power law fluid. Analytic solution have been obtained from governing continuity and momentum equations subject to appropriate boundary conditions by using Perturbation method. The Power law fluid model solution without MHD is retrieved from this proposed model on substitution . Declaration on behalf of velocity profile, volume flux, average velocity, connection of time with respect to length of the tank and requirement of time for whole drainage of fluid are acquired. Special effects of numerous emerging parameter’s on velocity profile vz and depth of the fluid in the tank are graphically presented. Keywords: Tank drainage, Power law MHD fluid, Analytical solution.

Modified Yield Power-Law fluid flow in narrow annuli with inner rotating pipe

2014 ◽  
Vol 93 (1) ◽  
pp. 150-165 ◽  
Author(s):  
Titus Ntow Ofei ◽  
Sonny Irawan ◽  
William Pao ◽  
Reza Ettehadi Osgouei
Keyword(s):  
Fluid Flow ◽  
Power Law ◽  
Power Law Fluid ◽  
Narrow Annuli

POWER LAW FLUID MODEL INCORPORATED INTO THIN FILM ELASTOHYDRODYNAMIC LUBRICATION OF CIRCULAR CONTACTS

2015 ◽  
Vol 39 (3) ◽  
pp. 547-556 ◽  
Author(s):  
Li-Ming Chu ◽  
Hsiang-Chen Hsu ◽  
Chia-Hsiang Su
Keyword(s):  
Thin Film ◽  
Power Law ◽  
Fluid Model ◽  
Elastohydrodynamic Lubrication ◽  
Middle Layer ◽  
Flow Index ◽  
Power Law Fluid ◽  
Lubricating Film ◽  
Lubrication Characteristics ◽  
Adsorption Layers

The modified Reynolds equation for power-law fluid is derived from the viscous adsorption theory for thin film elastohydrodynamic lubrication (TFEHL) of circular contacts. The lubricating film between solid surfaces is modeled as three fixed layers, which are two adsorption layers on each surface and a middle layer. The differences between classical EHL and TFEHL with power-law lubricants are discussed. Results show that the TFEHL power law model can reasonably calculate the pressure distribution, the film thickness, and the velocity distribution. The thickness and viscosity of the adsorption layer and the flow index significantly influence the lubrication characteristics of the contact conjunction.

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