نتایج جستجو برای: rushton

تعداد نتایج: 351  

Journal: :Journal of Non-newtonian Fluid Mechanics 2022

In this study, we investigate the viscoelasticity-induced migration of solid particles immerged in three-dimensional flow field created by rotation a Rushton turbine. At same time, propose scaling law for predicting characteristic particle time as function Weissenberg number. Particle image velocimetry is adopted to reconstruct velocity and deformation rate fields generated turbine both Newtoni...

Journal: :Applied sciences 2022

In this work, steady-state droplet size distributions in a DN300 stirred batch vessel with Rushton turbine impeller are investigated using an insertion probe based on the telecentric transmitted light principle. High-resolution extracted from images convolutional neural network for image-analysis order to investigate influence of speed and phase fraction (up 50 vol.-%). addition, Sauter mean di...

2013
Kathryn W. Holmes Theresa McNee

A prenatal diagnosis of ductal-dependent, complex congenital heart disease was made in a fetus with trisomy 18. The parents requested that the genetic diagnosis be excluded from all medical and surgical decision-making and that all life-prolonging therapies be made available to their infant. There was conflict among the medical team about what threshold of neonatal benefit could outweigh matern...

2009
Tomáš Paus Roberto Toro

Recent studies with magnetic resonance imaging suggest that age-related changes in white matter during male adolescence may indicate an increase in g ratio wherein the radial growth of an axon outpaces a corresponding increase in myelin thickness. We review the original Rushton (1951) model where a g ratio of approximately 0.6 represents an optimal relationship between the axon and fibre diamet...

Journal: :Journal of colloid and interface science 1996
Spicer Keller Pratsinis

The effect of impeller type and shear rate on the evolution of floc size and structure during shear-induced flocculation of polystyrene particles with aluminum sulfate is investigated by image analysis. One radial flow (six-blade Rushton turbine) and two axial flow (three-blade fluid foil, four-blade 45° pitch) impeller configurations are examined. The steady state average floc size is show...

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