LONGITUDINAL DISPERSION IN BEDS OF FINELY DIVIDED SOLIDS(thesis) | Zendy

Jerry Max. Robinson | Zendy

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LONGITUDINAL DISPERSION IN BEDS OF FINELY DIVIDED SOLIDS(thesis)

Author(s) -

Jerry Max. Robinson

Publication year - 1960

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4149562

Subject(s) - péclet number , dispersion (optics) , mechanics , reynolds number , range (aeronautics) , packed bed , thermodynamics , materials science , chemistry , physics , optics , chromatography , turbulence , composite material

Experimental determinations of the longitudinal dispersion coefficient and the Peclet number were made for three binary gas systems. The experimental technique involved measuring the dispersion of a step function input to a column packed with glass beads. The diffusional model was employed to obtain the differential equation describing longitudinal dispersion in a packed column. This equation was solved with suitable boundary conditions, and the solution was used in the analysis of the experimental dispersion data. The experimental results show a variation in the Peclet number from 0.1 to 0.6, and in the eddy dispersion coefficient from 0.03 to 1.0 cm/sup 2//sec for the Reynolds number range from 0.03 to 1.0. (auth

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