Sentence examples for minimum fluidisation velocities from inspiring English sources

At a constant gas injection rate through the orifice higher minimum fluidisation velocities result in larger bubbles and decreased leakage.

In particular, consideration is given to the prediction of macro-scale phenomena of flow regimes, pressure drop in fixed and fluidised beds, minimum fluidisation velocity, dispersion and liquid solid mass transfer.

This study experimentally examines the hydrodynamics of packed and fluidised beds in terms of pressure drop, bed expansion and minimum fluidisation velocity in tube sizes with inner diameters of 0.8, 1.2 and 17.1 mm.

Experimental minimum fluidisation velocity results compare well with the literature and theoretical values calculated from existing models.

Investigations into minimum fluidisation velocity, solids flux, gas bypassing between reactors, and pressure profiles of the system have been undertaken, the results of which are presented and discussed.

The relative merits of the Zaki and Richardson and the Aerov and Todes equations for the superficial velocity porosity relationship and minimum fluidisation velocity conditions being critically evaluated.

Simulations are performed for two gas velocities exceeding the minimum fluidisation velocity by 0.2 and 0.6 m/s and two operating pressures of 0.1 and 1.6 MPa.

Segregation patterns are predicted from these parameters iteratively by allowing for the accompany variation with bed height of minimum fluidisation velocity and local bed behaviour.

It appears that the influence of particle size and particle density on bubble formation can be related to the effect of the minimum fluidisation velocity on this process.

A general equation is proposed for predicting the minimum fluidisation velocity of a mixture of particles of various sizes but all of the same shape and density.

It predicts change in the minimum fluidisation velocity with small changes in the fines content of, for example, a commercial catalyst.