Numerical Analysis of Flow and Heat Transfer of a Polymer Solid Pellet in Melt

doi:10.19491/j.issn.1001-9278.2011.06.019

Abstract

Abstract: A quasi3dimension flow and heat transfer model for extruder screw channel was established to investigate the flow, heating, and melting behavior of solid particles in a polymer melt. Sections along longitudinal and latitudinal directions were selected to study the velocity and temperature of solid pellet as functions of time. The time required for the solid particles to melt and the internal energy increase were calculated accurately. It was found that the ratio of transferred heat and internal energy was 3.68∶1.

Key words: Flow and heat transfer, Polymer, Extrusion, FEM simulation

CLC Number:

TQ320.5+2

. Numerical Analysis of Flow and Heat Transfer of a Polymer Solid Pellet in Melt[J]. China Plastics, 2011, 25(06): 97-101 .

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Numerical Analysis of Flow and Heat Transfer of a Polymer Solid Pellet in Melt

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