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The physical interaction of spherical particles in suspensions

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Summary

An experimental examination of the interaction between a falling sphere and an aqueous suspension of nonsettling spheres through which it is passing is described. It is shown that if theReynolds number is small the falling speed of a sphere is unaffected by the size of the suspended spheres, provided that the volume concentration of the suspension is unchanged. This is shown to be true even when the falling sphere is of the same size as the suspended spheres. At highReynolds numbers, however, the falling speed of a sphere diminishes as its size approaches that of the suspended particles. The significance of these results to the theory of the viscosity of suspensions is discussed.

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Authors and Affiliations

  1. Department of Mining and Fuels, University of Nottingham, England

    V. Fidleris & R. L. Whitmore

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  1. V. Fidleris
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  2. R. L. Whitmore
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Fidleris, V., Whitmore, R.L. The physical interaction of spherical particles in suspensions. Rheol Acta 1, 573–580 (1961). https://doi.org/10.1007/BF01989126

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  • DOI: https://doi.org/10.1007/BF01989126

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