Screw extrusion of thermoplastics: II. Simulation of feeding zone of the single screw extruder
β Scribed by I. O. Mikulionok; L. B. Radchenko
- Book ID
- 114993684
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2012
- Tongue
- English
- Weight
- 755 KB
- Volume
- 85
- Category
- Article
- ISSN
- 1070-4272
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π SIMILAR VOLUMES
## Abstract A fullyβpredictive steadyβstate computer model has been developed for a singleβscrew plasticating extruder. Included in the model are a model for solids flow in the feed hopper; a variation of the Darnell and Mol model for the solids conveying zone; a variation of Tadmor's melting model
The effect of density compressibility of granular polymeric solids on the pressure development inside the feed zone of a single screw extruder was calculated. Results indicate that, for a given flow rate, density compressibility enhances pressure rise inside the extruder, remedying the under estimat