Thermal optimisation of polymer extrusion using in-process monitoring techniques
Javier Vera-Sorroche,Adrian L. Kelly,E. C. Brown,P. D. Coates,Nayeem Karnachi,Eileen Harkin-Jones,Kang Li,Jing Deng +7 more
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In this paper, in-process monitoring techniques have been used to characterise the thermal dynamics of the extrusion process, and thermocouple grid sensors have been employed to measure melt temperature fields within flowing polymer melts at the entrance to an extruder die.About:
This article is published in Applied Thermal Engineering.The article was published on 2013-05-02 and is currently open access. It has received 56 citations till now. The article focuses on the topics: Plastics extrusion & Extrusion.read more
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Mechanical Recycling of Packaging Plastics: A Review.
Zoé O G Schyns,Michael P. Shaver +1 more
TL;DR: This review covers the current methods and challenges for the mechanical recycling of the five main packaging plastics: poly(ethylene terephthalate), polyethylene, polypropylene, polystyrene, and poly(vinyl chloride) through the lens of a circular economy.
Journal ArticleDOI
Recent Developments in Mechanochemical Materials Synthesis by Extrusion.
Deborah E. Crawford,José Casaban +1 more
TL;DR: The synthesis of metal-organic frameworks (MOFs) is highlighted herein as an excellent example showcasing the advantages that extrusion provides to the manufacture of these materials, one advantage being the exceptional space time yields (STYs) reported for these processes, at three orders of magnitude greater than conventional (solvothermal) synthesis.
Journal ArticleDOI
Investigation of the process energy demand in polymer extrusion: A brief review and an experimental study
Chamil Abeykoon,Adrian L. Kelly,E. C. Brown,Javier Vera-Sorroche,P. D. Coates,Eileen Harkin-Jones,Ken B. Howell,Jing Deng,Kang Li,Mark Price +9 more
TL;DR: In this paper, the authors focused on investigating the total energy demand of an extrusion plant under various processing conditions while identifying ways to optimise the energy efficiency, which is one of the major concerns and the selection of the most energy efficient processing conditions is a key to reducing operating costs.
Journal ArticleDOI
Process efficiency in polymer extrusion: Correlation between the energy demand and melt thermal stability
Chamil Abeykoon,Adrian L. Kelly,Javier Vera-Sorroche,E. C. Brown,P. D. Coates,Jing Deng,Kang Li,Eileen Harkin-Jones,Mark Price +8 more
TL;DR: In this paper, a commodity grade of polystyrene was extruded using a highly instrumented sin- gle screw extruder, equipped with energy consumption and melt temperature field measurement.
Journal ArticleDOI
Energy monitoring and quality control of a single screw extruder
Jing Deng,Kang Li,Eileen Harkin-Jones,Mark Price,Nayeem Karnachi,Adrian L. Kelly,Javier Vera-Sorroche,P. D. Coates,E. C. Brown,Minrui Fei +9 more
TL;DR: In this paper, a fuzzy logic controller is developed for a single screw extruder to achieve high melt quality and energy efficiency, without the need to install power meters or develop data-driven models.
References
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Journal ArticleDOI
The effect of screw geometry on melt temperature profile in single screw extrusion
TL;DR: In this article, a temperature sensor consisting of a grid of thermocouple junctions was used to take multiple temperature readings in real time across melt flow in a single screw extruder.
Book
Extruder principles and operation
M. J. Stevens,José A. Covas +1 more
TL;DR: In this paper, the authors present a model of a single-screw extruder with a two-stage extrusion system, which is used for conveying and melting solids.
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Melt temperature field measurement in single screw extrusion using thermocouple meshes
TL;DR: In this article, the development and validation of a sensor for extrusion melt temperature field measurement is described, where a grid of opposing thermocouple wires was constructed and held in position by a supporting frame.
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Infrared temperature measurement of polymers
TL;DR: In this article, a model is presented to estimate the response of infrared (IR) thermosensors that measure the temperature of polymeric melts in processing equipment by guiding the thermal radiation along optical fibers to the optovoltaic transducer.
Journal ArticleDOI
In line melt temperature measurement during real time ultrasound monitoring of single screw extrusion
TL;DR: In this paper, an ultrasonic virtual instrument has been used on industrial scale extruders in house, showing ultrasonic velocity to be a powerful tool for improving knowledge of polymer melt bulk temperature during extrusion.