## Abstract Some of today's modern screws contain meltβseparating secondary (barrier) flights in the transition zone. With increasing utilization of barrier screws, the availability of proper and accurate design methods for the melting zone remains of paramount importance. A modified version of a m
Mathematical modeling of melting of polymers in a single-screw extruder a critical review
β Scribed by J. T. Lindt
- Publisher
- Society for Plastic Engineers
- Year
- 1985
- Tongue
- English
- Weight
- 408 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0032-3888
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A theoretical model is developed to describe the melting mechanism in the transition zone of a screw extruder. The plug flow profile of the granules in the screw channel is calculated as a function of the screw speed, the barrel temperature and the mass flow rate. The assumptions made in this model
## Abstract A model for investigating the melting process of polymer in a vibrationβinduced singleβscrew (VISS) extruder is presented. The key feature of this model is as follows: vibration force field is introduced into the overall course of extrusion by the axial vibration of the screw, and the v