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Processes 2016, 4(2), 19; doi:10.3390/pr4020019

A Review of Dynamic Models of Hot-Melt Extrusion

Service d’Automatique, Université de Mons, 31 Boulevard Dolez, 7000 Mons, Belgium
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editor: Iqbal M. Mujtaba
Received: 31 January 2016 / Revised: 7 May 2016 / Accepted: 21 May 2016 / Published: 6 June 2016

Abstract

Hot-melt extrusion is commonly applied for forming products, ranging from metals to plastics, rubber and clay composites. It is also increasingly used for the production of pharmaceuticals, such as granules, pellets and tablets. In this context, mathematical modeling plays an important role to determine the best process operating conditions, but also to possibly develop software sensors or controllers. The early models were essentially black-box and relied on the measurement of the residence time distribution. Current models involve mass, energy and momentum balances and consists of (partial) differential equations. This paper presents a literature review of a range of existing models. A common case study is considered to illustrate the predictive capability of the main candidate models, programmed in a simulation environment (e.g., MATLAB). Finally, a comprehensive distributed parameter model capturing the main phenomena is proposed. View Full-Text
Keywords: mathematical modeling; parameter estimation; partial differential equations; twin-screw extruder mathematical modeling; parameter estimation; partial differential equations; twin-screw extruder
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Grimard, J.; Dewasme, L.; Vande Wouwer, A. A Review of Dynamic Models of Hot-Melt Extrusion. Processes 2016, 4, 19.

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