Fluidisation of particles with non-Newtonian liquids
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Fluidisation of particles with non-Newtonian liquids bed porosity and pressure drop data are presented as a function of liquid flow rate for spherical particles of varying densities and diameter, using both Newtonian and non-Newtonian liquids. by Fernando M. Brea

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Published by The author in Bradford .
Written in English


Book details:

Edition Notes

Ph.D. thesis.

SeriesTheses
The Physical Object
Pagination161p.
Number of Pages161
ID Numbers
Open LibraryOL20237561M

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Bubbles, Drops, and Particles in Non-Newtonian Fluids, Second Edition continues to provide thorough coverage of the scientific foundations and the latest advances in particle motion in non-Newtonian media. The book demonstrates how dynamic behavior of single particles can yield useful information fo. The capillary-type model has been tested with 49 sphere—Newtonian liquid systems. For 21 systems, the value of the particle Reynolds number Re at the point of incipient fluidisation is larger than In this case the capillary-type model allows the expansion characterisation for the whole domain of porosity (|δ| =10% and −28%Cited by: 7. Inverse fluidization using non-Newtonian liquids Article in Chemical Engineering and Processing 49(11) November with 60 Reads How we measure 'reads'. A non-Newtonian fluid is a fluid that does not follow Newton's law of viscosity, i.e., constant viscosity independent of non-Newtonian fluids, viscosity can change when under force to either more liquid or more solid. Ketchup, for example, becomes runnier when shaken and is thus a non-Newtonian salt solutions and molten polymers are non-Newtonian fluids, as are many.

A non-Newtonian fluid doesn’t have the same dependence on temperature because its viscosity changes when stress or a force, not heat, is applied. When you squeeze a handful of the glop you made, the particles of cornstarch come closer together and trap the water between them. “non-Newtonian liquids”. In other words, a non-Newtonian fluid is one whose flow curve shows an apparent viscosity that depends on flow conditions such as flow geometry, shear rate, etc. and sometimes even on the kinematic history of the fluid element under consideration. Accordingly, firstly an overview of the non-Newtonian. Bubbles, Drops, and Particles in Non-Newtonian Fluids, Second Edition continues to provide thorough coverage of the scientific foundations and the latest advances in particle motion in non-Newtonian media. The book demonstrates how dynamic behavior of single particles can yield useful information for modeling transport processes in complex Cited by:   These fluids can be classified as non-Newtonian fluids. Properties. Shear thinning: This is one of the very most useful qualities of some non-Newtonian. Such fluids, when exposed to fast rising stress become rare in consistency as a result of the fluid particles sliding over each other.

Non-Newtonian properties on bubble dynamics and cavitation are fundamentally different from those of Newtonian fluids. The most significant effect arises from the dramatic increase in viscosity of polymer solutions in an extensional flow, such as that generated about a spherical bubble during its growth or Cited by: physical behavior of non-Newtonian fluid depends on the forces acting on it from second to second. Interesting properties of Non-Newtonian fluids If you punch a bucket full of non-Newtonian fluid such as cornstarch, the stress introduced by the incoming force causes the atoms in the fluid to rearrange such that it behaves like a Size: 74KB.   Non-Newtonian liquids are those that don’t behave as Isaac Newton originally theorized, e.g. quicksand, ketchup, custard, blood, or in the case of the material studied by the research team, a. In analyzing Figure 2, one can notice two regions of wall first is for b, where terminal velocity decreases as particle diameter increases.. Another way of elucidating the same effects exerted by the wall on velocity is to consider a particle moving through an.