Affiliation:
1. Kunststofftechnik Paderborn, Paderborn University, 33098 Paderborn, Germany
Abstract
For polymer-processing extruders, designing screws via analytical computational models is helpful for reducing experimental costs. However, the current simulation programs cannot predict the melt quality at the screw tip with sufficient accuracy. There are a number of definitions of melt quality in the literature. This paper will review some of these definitions and present how melt quality can be assessed in subsequent work. In this paper, both the thermal and material homogeneity of the melt quality are examined for correlations with the screw performance index. If correlations exist with the screw performance index determined from direct experimental measurement data, these can be used as target values for developing a melt quality prediction model.
Funder
the Deutsche Forschungsgemeinschaft
Subject
Polymers and Plastics,General Chemistry
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