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Power-law fluids
Because most shear-thinning fluids, particularly polymer solutions and flocculated suspensions, have high apparent viscosities, even…
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MOTION OF BUBBLES AND DROPS
The drag force acting on a gas bubble or a liquid droplet will not, in…
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GAS–SOLIDS SYSTEMSGAS–SOLIDS SYSTEMS
General behaviour In general, the behaviour of gas-fluidised systems is considerably more complex than that…
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Terminal falling velocities
If a spherical particle is allowed to settle in a fluid under gravity, its velocity…
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Motion of Particles in a Fluid
INTRODUCTION Processes for the separation of particles of various sizes and shapes often depend on…
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Nature of the material to be crushed
The choice of a machine for a given crushing operation is influenced by the nature…
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Methods of operating crushers
There are two distinct methods of feeding material to a crusher. The first, known as free…
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Energy utilisation
One of the first important investigations into the distribution of the energy fed into a…
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SIZE REDUCTION OF SOLIDS
Introduction In the materials processing industry, size reduction or comminution is usually carried out in order to…
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Centrifugal separators
The use of cyclone separators for the removal of suspended dust particles from gases is…