Computer modeling and software development predicting dynamic mat formation in paper machine

  • Authors:

  • Arnaud Raymond;Mohini Sain

  • Affiliations:

  • Forestry and Chemical Engineering, Earth Science Centre, University of Toronto, Toronto, Canada and Department of Chemical Engineering, Limerick Pulp and Paper Research Center, University of New B ...;Forestry and Chemical Engineering, Earth Science Centre, University of Toronto, Toronto, Canada and Department of Chemical Engineering, Limerick Pulp and Paper Research Center, University of New B ...

  • Venue:
  • Advances in Engineering Software
  • Year:
  • 2002

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Abstract

A drainage model for heterogeneous pulp suspension has been developed using a mathematical correlation between the Canadian standard freeness, the consistency, the density of the pulp, the fiber diameter and the porosity of the fiber mat deposited over the wire. The concept of tortuosity factor has been introduced in several equations describing the drainage phenomena. Introducing these parameters in mass balance equations, software was created. The model was validated based on the data from a paper mill using a blend of pulp of low freeness.