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The Mapping Method for Mixing Optimization

Part II: Transport in a Corotating Twin Screw Extruder
  • P. G. M. Kruijt , O. S. Galaktionov , G. W. M. Peters and H. E. H. Meijer
Published/Copyright: June 5, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 16 Issue 2

Abstract

The application of the mapping method [1, 2] on fully three dimensional flows with dynamic boundaries is presented. The computational domain is a (three dimensional) section of a particular type of screw element in a closely intermeshing corotating twin screw extruder. Screw elements include transport, different kneading, and counterconveying zones, for each of which a mapping matrix has to be constructed.

In the future, different screw assemblies could be studied by combining distinct mapping matrices, much like an actual screw is assembled from distinct modules. In this paper, the principle and applicability of the mapping method is demonstrated by the analysis of a fully filled transporting section of the corotating twin screw extruder. Concentration and residence time distributions can be computed straightforwardly and the volume average intensity of segregation is chosen as a characteristic mixing measure to quantitatively describe distributive mixing.

* Mail address: H. E. H. Meijer, Materials Technology, Dutch Polymer Institute, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
Received: 2001-1-29
Accepted: 2001-3-6
Published Online: 2013-06-05
Published in Print: 2001-05-01

© 2001, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Editorial
  2. Ninth of a Series Pioneer of the Modular Co-rotating Twin Screw Extruder–Rudolf Erdmenger (1911–1991)
  3. Internal Mixer
  4. The “New-Generation” Co-flow Intermeshing Internal Mixer
  5. Screw Extrusion/Continuous Mixers
  6. Twin Screw Compounding of PE-HD Wood Flour Composites
  7. A Transient Melting Model of Polymer Balls Sliding Against the Barrel
  8. Prediction of Screw Length Required for Polymer Melting and Melting Characteristics
  9. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  10. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  11. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  12. The Mapping Method for Mixing Optimization Part I: The Multiflux Static Mixer
  13. The Mapping Method for Mixing Optimization
  14. Reactive Processing
  15. Comparison Studies of Anionic Polymerization of Caprolactam in Different Twin Screw Extruders
  16. Compatibilization of SBR/NBR Blends Using Chemically Modified Styrene Butadiene Rubber
  17. Coextrusion
  18. Convective Instabilities in the Coextrusion Process
  19. Numerical Simulation of Polymer Coextrusion Flows
  20. Thermoforming
  21. Tight Tolerance Thermoforming
https://doi.org/10.3139/217.1637

Articles in the same Issue

  1. Editorial
  2. Ninth of a Series Pioneer of the Modular Co-rotating Twin Screw Extruder–Rudolf Erdmenger (1911–1991)
  3. Internal Mixer
  4. The “New-Generation” Co-flow Intermeshing Internal Mixer
  5. Screw Extrusion/Continuous Mixers
  6. Twin Screw Compounding of PE-HD Wood Flour Composites
  7. A Transient Melting Model of Polymer Balls Sliding Against the Barrel
  8. Prediction of Screw Length Required for Polymer Melting and Melting Characteristics
  9. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  10. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  11. Melting of Polymer Blends in Co-rotating Twin Screw Extruders
  12. The Mapping Method for Mixing Optimization Part I: The Multiflux Static Mixer
  13. The Mapping Method for Mixing Optimization
  14. Reactive Processing
  15. Comparison Studies of Anionic Polymerization of Caprolactam in Different Twin Screw Extruders
  16. Compatibilization of SBR/NBR Blends Using Chemically Modified Styrene Butadiene Rubber
  17. Coextrusion
  18. Convective Instabilities in the Coextrusion Process
  19. Numerical Simulation of Polymer Coextrusion Flows
  20. Thermoforming
  21. Tight Tolerance Thermoforming
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