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A theory of the hydrocyclone
No full textA theoretical formula has been proposed for the tangential velocity in the hydrocyclone. This velocity profile compares favourably with the generally-accepted empirical formula. Methods have been tested for determining the boundary conditions and an empirical formula has been given for determining the angular velocity of the air core from the pressure-drop across the hydrocyclone
Mechanism of fluidization
No full textThe mechanism of fluidization has been investigated, in
particular the method of initiation of movement. A detailed study
of the discontinuities found in many liquid fluidized systems has
been made. By means of an artificially created discontinuity or
parvoid the mechanism of propagation of these parvoids has been
studied and a correlation produced which agrees with the data obtained
from the naturally occurring parvoids up to a superficial water velocity
of 1.5 Umf. At higher superficial velocities the curve relating water
velocity to parvoid velocity passed through a series of peaks or breaks.
These can be explained on the basis of an inherent mechanism of speed
control by means of reductions in the amount of dense phase existing
between successive parvoids
The Limit Vol. 1 No. 1 (Christmas 1918)
No full textThe Limit was Loughborough College's magazine. Loughborough College was one of the predecessors to Loughborough University and operated from 1918 to 1952. The Limit ran from 1918 to 1955, with three yearly issues, Christmas, Easter and July. It was succeeded by Beyond The Limit in 1960.© Loughborough University</p