Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 233 for “"non-Newtonian"”.
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Filtration of non-Newtonian fluids.
In view of increasing usage and importance of non-Newtonian fluids in the chemical industries and in scientific research, an investigation into the filtration of non-Newtonian fluids was undertaken. During the course of the present investigation, filtration equipment was designed and constructed to …
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The flow behaviour of non-Newtonian sludges
… The sludges are modelled as time-independent, non-Newtonian relations between shear stress, rate of shearing strain, and solids concentration. Due to the inhomogeneity of sewage sludge, error analysis becomes pivotal to the data analysis, and options are examined for reducing the error of each …
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Controllability of Non-Newtonian fluids under homogeneous flows
… the submanifolds in the state space on which the non-Newtonian flow fields are weakly controllable. This kind of approach based on the control Lie algebra can be applied to a wider variety of complex models.
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Dilute Non-Newtonian Particle Suspension Rheology And Microstructure
… that sheds light on the widely studied phenomenon of cross-streamline particle migration in Poiseuille flow. Particles are found to experience a cross-stream force toward the channel center when they are freely suspended in the fluid, while they experience a crossstream force toward the wall when …
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Spin coating of Newtonian and non-Newtonian fluids
The work in this thesis deals with the axisymmetric flow of a thin fluid layer on a rotating substrate.
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A variational multiscale framework for non-Newtonian fluid models
… stabilized mixed finite element formulations for non-Newtonian models for complex fluids. One class of non-Newtonian fluids is shear-rate dependent fluids that include nonlinear viscosity functions of the second invariant of the rate-of-deformation tensor, thereby resulting in shear-thinning or …
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High speed imaging of transient non-Newtonian fluid phenomena
… is the deflection and rebound of a free-falling non-Newtonian fluid stream incident on a pool of the same fluid. The effect was successfully reproduced using Suave[TM] shampoo, and imaged using the Phantom[TM] High Speed Video system. This task involved developing a knowledge of the photographic …
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Experimental study of a vortex triode using non-Newtonian fluids.
Dept. of Mechanical, Automotive, and Materials Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1987 .L458. Source: Masters Abstracts International, Volume: 40-07, page: . Thesis (M.A.Sc.)--University of Windsor (Canada), 1987.
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Investigation into smoothed particle hydrodynamics for non-newtonian droplet modelling
… we chose to investigate an SPH version of a non-Newtonian pressure correction method with surface tension. Three experiments were performed to analyze the different aspects of SPH. From the results of the experiments, we concluded that this method can produce stable simulations if an …
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Non-Newtonian effects and Taylor-Aris despersion in rivulet flow
… flow of rivulets of fluid, namely the effects of non-Newtonian rheology, and the transport of a passive solute in a rivulet of Newtonian fluid. In Chapters 2-4 we consider rivulet flow of non-Newtonian fluids. Firstly, we obtain the solution for unidirectional gravity-driven flow of a uniform thin …
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Numerical simulation of non-Newtonian fluid flow in mixing geometries
… mixing flows generated by various geometries for Newtonian and non-Newtonian fluids, on both sequential and parallel computer systems. The thesis begins by giving the necessary background to the mixing process and a summary of the fundamental characteristics of parallel architecture machines. This …
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Rheology of bubbly liquids containing a non-Newtonian continuous phase
… bubbly liquids has focussed on materials with a Newtonian continuous phase. However, many of the bubbly liquids found in industrial and consumer settings have a viscoplastic continuous phase. This project has investigated the rheology of bubbly liquids with a viscoplastic continuous phase, namely …
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Transitional and turbulent flow of non-Newtonian slurries in pipes
… open to designers of pipeline systems conveying non-Newtonian slurries in the turbulent flow regime has been large scale-pipe-tests. This thesis addresses this design problem, with particular emphasis on the theoretical modelling of the laminar/turbulent transition and turbulent flow behaviour of …
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Computational analysis of non-isothermal flow of non-Newtonian fluids
… intractable to analytical treatment, being nonlinear coupled systems of time dependent partial differential equations. We therefore develop computational solutions for the model problems. Depending on geometrical or mathematical complexity, finite difference or finite volume methods will be …
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Instabilities of jets of non-Newtonian fluids impacting a plate
… of buckling and coiling of jets of viscous, Newtonian liquids impacting a plate has received a substantial level of attention over the past two decades, both from experimental and theoretical points of view. Nevertheless, most industrial and everyday life fluids are non-newtonian, and their …
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