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Flow and Heat Transfer Simulation of the Mixing of Polymer Blends Using the Boundary Element Method

  • P. J. Gramann , L. Stradins and T. A. Osswald
Published/Copyright: May 27, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 8 Issue 4

Abstract

In most polymer processes the quality of the final part stems back in great part to the mixing of the polymer blends and the viscous heating that occurs during the process. To date, these processes have been simulated using the finite difference or finite element methods which rely on cumbersome remeshing techniques, restricting the analysis to simple geometries. However, mathematical manipulation of the governing equations results in boundary integrals, allowing the solution of complicated moving boundary problems without domain meshing. The resulting boundary element model and simulation results of flow with heat transfer and the blending of two or more fluids of different viscosity effects during mixing of polymer blends is presented in this paper. The results give insight to the complex phenomena that take place during mixing processes.

* Mail address: Prof. Dr. Tim Osswald, Polymer Processing Research Group, Department of Mechanical Engineering, University of Wisconsin, Madison, WI 53706, U.S.A.
Received: 1992-7-27
Accepted: 1993-5-13
Published Online: 2013-05-27
Published in Print: 1993-12-01

© 1993, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Internal Mixers
  4. Flow and Heat Transfer Simulation of the Mixing of Polymer Blends Using the Boundary Element Method
  5. Twin Screw Extrusion, Reactive Processing
  6. Heat Transfer in Single and Twin Screw Extruders
  7. Reactive Extrusion of Styrene Polymers
  8. RIM-pultruded Prepreg for the Injection Molding of Long-fiber Epoxy Composites
  9. Die Extrusion
  10. Flow Simulation of a Polymer Melt in a Roller Die
  11. Potential Applications for Computer-aided Extruder Design
  12. Molding
  13. The Gas-assisted Injection Molding Process
  14. Control Strategies for Cyclic Polymer Processes
  15. Real-time Neutron Radiography of Injection Mold Filling
  16. The Role of Process Parameters in Blow Molding and Correlation of 3-D Finite Element Analysis with Experiment
https://doi.org/10.3139/217.930287

Articles in the same Issue

  1. Contents
  2. Contents
  3. Internal Mixers
  4. Flow and Heat Transfer Simulation of the Mixing of Polymer Blends Using the Boundary Element Method
  5. Twin Screw Extrusion, Reactive Processing
  6. Heat Transfer in Single and Twin Screw Extruders
  7. Reactive Extrusion of Styrene Polymers
  8. RIM-pultruded Prepreg for the Injection Molding of Long-fiber Epoxy Composites
  9. Die Extrusion
  10. Flow Simulation of a Polymer Melt in a Roller Die
  11. Potential Applications for Computer-aided Extruder Design
  12. Molding
  13. The Gas-assisted Injection Molding Process
  14. Control Strategies for Cyclic Polymer Processes
  15. Real-time Neutron Radiography of Injection Mold Filling
  16. The Role of Process Parameters in Blow Molding and Correlation of 3-D Finite Element Analysis with Experiment
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