Distributions

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Description

This article describes methods for estimating particle size distributions using the Gaudin-Schumann, Rosin-Rammler and Swebrec equations.[1][2]

Model theory

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Excel

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The interpolation methods may be invoked from the Excel formula bar with the following function calls:

=mdDist_GaudinSchuhmann(Size as Range, k as Double, m as Double)
=mdDist_RosinRammler(Size as Range, x1 as Double, b as Double)
=mdDist_Swebrec(Size as Range, xMax as Double, x50 as Double, b as Double, Optional a as Double = 0, Optional c as Double = 0)

Invoking the function with no arguments will print Help text associated with the model, including a link to this page.

References

  1. Gupta, A. and Yan, D.S., 2016. Mineral processing design and operations: an introduction. Elsevier.
  2. Ouchterlony, F., 2005. The Swebrec© function: linking fragmentation by blasting and crushing. Mining Technology, 114(1), pp.29-44.