Flow of polymer melts in a combined extruder
✍ Scribed by V. L. Kocherov; Yu. E. Lukach; É. A. Sporyagin; L. A. Tsitsankina
- Publisher
- Springer US
- Year
- 1974
- Tongue
- English
- Weight
- 501 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1573-8922
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## Abstract A simplified 2D melt film model was established to simulate the nonisothermal melt flow during the melting process of the vibration‐induced polymer extruder of which the screw can vibrate axially. Since polymer has time‐dependent nonlinear viscoelastic characteristic with vibration forc
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