By B.E.A. Jacobs

ISBN-10: 0203215915

ISBN-13: 9780203215913

ISBN-10: 0203293061

ISBN-13: 9780203293065

ISBN-10: 1851666346

ISBN-13: 9781851666348

This e-book merits clients, brands and engineers via drawing jointly an total view of the expertise. It makes an attempt to provide the reader an appreciation of the level to which slurry delivery is almost immediately hired, the theoretical foundation for pipeline layout, the practicalities of layout and new advancements.

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Extra resources for Design of Slurry Transport Systems

Example text

It is of Figure 10 . Drag coefficients for various particle Reynolds numbers (24) interest in this context to consider how the presence of particles affects fluid turbulence. Rayan (25) observed both suppression and enhancement of turbulences by the presence of particles, and confirmed the presence of Magnus lift in laminar flow. Most of his data, however, was collected at lower concentrations than could be applied to slurry transport. It is helpful to be able to relate the critical velocity for incipient suspension to the particle sedimentation velocity.

33 relationship. Lokon et al. (54) limited his attention to fine particle (50 µm mean size) iron ore slurries and proposed the following scale rule: (47) It would appear that equation 47 corresponds to turbulent flow of a homogeneous slurry, as no critical velocity is apparent from the formula. Webster and Sauermann (55) note the conservatism of the Durand correlation under some conditions and recommend using the same exponent for diameter in both slurry and water flow. Once again, homogeneous assumptions would have to be made.

2 per cent) polymer solutions used for experimental modelling, to the Prediction of flow parameters 47 highly concentrated (~50 per cent) polymer-in-monomer solutions found in industrial reactors. As with the previous one, this section begins with an explanation of viscoelastic stresses; how they are measured, where they act and how they arise. Viscoelastic effects are of primary interest in the mixing industry and it is in this context that most of the research has been done. 5. Figure 18 . Schematic rheogoniometer for viscoelastic property measurement The measurement of viscoelasticity provides a useful starting point for an understanding of its nature.

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Design of Slurry Transport Systems by B.E.A. Jacobs

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