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Fellows Directory

Roy Jackson

Roy Jackson

Professor Roy Jackson FRS

Fellow


Elected: 2000

Biography

Roy Jackson conducts seminal research on the stability of a dispersion of particles supported by up-flowing gas. This work led to the prediction of voidage waves, subsequently observed in fluidised beds. He also pioneered theory describing the flow of particles round a gas bubble rising in a fluidised bed and gave the first proper analysis of densely packed particle flow down a vertical standpipe. His work on upward motion of a gas–particle mixture in a pipe provides a rational explanation of particle accumulation near the walls.

More recently, he has taken up the general problem of the mechanics of the motion of gas-free granular material. He has also made notable contributions to the dynamics of chemically reacting systems, the interplay of reactions and diffusion in porous catalysts, and optimisation of the design and operation of chemical process plants.

Interest and expertise

Subject groups

  • Engineering
    • Engineering, chemical, Fluid dynamics

Keywords

Fluid mechanics, chemical reaction dynamics  , Optimization

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