Melt conveying in single-screw extruders: modeling and simulation

C Marschik, W Roland, TA Osswald - Polymers, 2022 - mdpi.com
Numerous analyses have modeled the flow of polymer melts in the melt-conveying zones of
single-screw extruders. While initial studies mainly provided exact analytical results for …

Predicting the non-linear conveying behavior in single-screw extrusion: A comparison of various data-based modeling approaches used with CFD simulations

W Roland, C Marschik, M Kommenda… - International Polymer …, 2021 - degruyter.com
The traditional approach to modeling the polymer melt flow in single-screw extruders is
based on analytical and numerical analyses. Due to increasing computational power, data …

Leakage-flow models for screw extruders

C Marschik, W Roland, M Dörner, G Steinbichler… - Polymers, 2021 - mdpi.com
Many theoretical analyses of extrusion ignore the effect of the flight clearance when
predicting the pumping capability of a screw. This might be reasonable for conventional …

Generalized predictions of the pumping characteristics and viscous dissipation of single‐screw extruders including three‐dimensional curvature effects

D Herzog, W Roland, C Marschik… - Polymer Engineering …, 2024 - Wiley Online Library
Reliable predictions of the flow rate and viscous dissipation in the melt conveying zone of
single‐screw extruders are crucial for designing high‐quality and efficient extrusion …

Application of Network Analysis to Flow Systems with Alternating Wave Channels: Part B.(Superimposed Drag-Pressure Flows in Extrusion)

C Marschik, W Roland, M Dörner, S Schaufler… - Polymers, 2020 - mdpi.com
Due to progress in the development of screw designs over recent decades, numerous high-
performance screws have become commercially available in single-screw extrusion. While …

A network theory based approach predicting the flow through barrier screws in combination with grooved plasticizing barrels

M Zacher, W Roland, B Löw-Baselli… - AIP Conference …, 2023 - pubs.aip.org
Barrier screws are widely used in industry for various applications such as pipe extrusion,
extrusion blow molding and injection molding. They exhibit improved melting performance …

[HTML][HTML] A network theory based approach modeling barrier screws in combination with grooved plasticizing barrels/Author DI Maximilian Zacher BSc

M Zacher - 2023 - epub.jku.at
Extrusion is one of the most important technologies to process polymeric materials. Hence,
describing the flow behavior of polymer melt in single-screw-extrusion is of high relevance …

[PDF][PDF] Doktor der technischen Wissenschaften

DIM Wenninger - 2023 - epub.jku.at
With numerous special technologies, that have been and are being developed, the polymer
industry is continuously growing and gaining in importance. Among these developments, the …

[PDF][PDF] Melt Conveying in Single-Screw Extruders: Modeling and Simulation. Polymers 2022, 14, 875

C Marschik, W Roland, TA Osswald - 2022 - academia.edu
Numerous analyses have modeled the flow of polymer melts in the melt-conveying zones of
single-screw extruders. While initial studies mainly provided exact analytical results for …