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Modeling Heat Transfer with Crystallization in Rods and Filaments

  • J. L. White and C.-H. Choi
Published/Copyright: June 6, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 16 Issue 1

Abstract

A study of modeling heat transfer with crystallization in thick rods is described. We apply a formulation due to Nakamura et al. and Berger and Schneider to determine the temperature profiles through a thick rod. This involves a non-homogeneous cylindrical coordinate heat conduction equation with a heat of crystallization source term. The partial differential equation describing the temperature profile is represented in terms of dimensionless groups characterizing the ratios of heat of crystallization, surface heat transfer, and thermal inertia to heat conduction. These dimensionless groups are used to characterize the solutions of this equation. Different solution regimes are predicted. The application to radial temperature profiles during melt spinning of polymer filaments is described.

* Mail address: J. L. White, Institute of Polymer Engineering, University of Akron, Akron, OH 44325, USA
Received: 2000-9-13
Accepted: 2000-12-9
Published Online: 2013-06-06
Published in Print: 2001-03-01

© 2001, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Editorial
  2. 10.3139/217.0101
  3. Invited Paper
  4. Polymer Processing Technology in the 21st Century from the Viewpoint of the Japanese Plastics Industry
  5. Screw Extrusion Blend
  6. Polymer Blends in Co-Rotating Twin-Screw Extruders
  7. Reactive Extrusion
  8. Polymerization of ∊-Caprolactone in a Twin Screw Extruder
  9. Fiber and Film
  10. Crystallization Studies of LLDPE during Tubular Blown Film Processing
  11. Numerical Study of Internal Bubble Cooling (IBC) in Film Blowing
  12. Modeling Heat Transfer with Crystallization in Rods and Filaments
  13. Molding
  14. Relevance of Crystallisation Kinetics in the Simulation of the Injection Molding Process
  15. Causes of Cracks in Petaloid Bottom of Carbonated PET Bottle
https://doi.org/10.3139/217.1622

Articles in the same Issue

  1. Editorial
  2. 10.3139/217.0101
  3. Invited Paper
  4. Polymer Processing Technology in the 21st Century from the Viewpoint of the Japanese Plastics Industry
  5. Screw Extrusion Blend
  6. Polymer Blends in Co-Rotating Twin-Screw Extruders
  7. Reactive Extrusion
  8. Polymerization of ∊-Caprolactone in a Twin Screw Extruder
  9. Fiber and Film
  10. Crystallization Studies of LLDPE during Tubular Blown Film Processing
  11. Numerical Study of Internal Bubble Cooling (IBC) in Film Blowing
  12. Modeling Heat Transfer with Crystallization in Rods and Filaments
  13. Molding
  14. Relevance of Crystallisation Kinetics in the Simulation of the Injection Molding Process
  15. Causes of Cracks in Petaloid Bottom of Carbonated PET Bottle
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