The Effects of Particle Shape and Surface Roughness on the Hydraulic Mean Radius of a Porous Medium Consisting of Quarried Rock

    Volume 17, Issue 1 (March 1994)

    ISSN: 0149-6115

    CODEN: GTJOAD

    Page Count: 7


    Sabin, GCW
    Professor and assistant professor, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, Newfoundland

    Hansen, D
    Professor and assistant professor, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, Newfoundland

    Abstract

    The influence of particle shape and surface roughness on the hydraulic mean radius are investigated, and quantitative measures for each are proposed. A particle shape factor is estimated with the aid of a new mathematical approximation for the surface area of an ellipsoid. The particle surface roughness is calculated based on inferences made from surface area data previously obtained for a sample of rocks described in Garga et al. (1991). The effect of surface roughness on the hydraulic mean radius was found to be greater than that of shape for this sample of crusher-run quarried limestone. A diagram is presented to show the relative importance particle shape and surface roughness.


    Paper ID: GTJ10071J

    DOI: 10.1520/GTJ10071J

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    Author
    Title The Effects of Particle Shape and Surface Roughness on the Hydraulic Mean Radius of a Porous Medium Consisting of Quarried Rock
    Symposium , 0000-00-00
    Committee D18