Modelling Induced Tension in a Growing Catalyst/Polyolefin Particle: A Multi-Scale Approach for Simplified Morphology Modelling

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Di Martino, Audrey and Weickert, Günter and Sidoroff, Francois and McKenna, Timothy F. (2007) Modelling Induced Tension in a Growing Catalyst/Polyolefin Particle: A Multi-Scale Approach for Simplified Morphology Modelling. Macromolecular Reaction Engineering, 1 (3-5). pp. 338-352. ISSN 1862-832X

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Abstract:A multi-scale modelling approach is proposed as a means of eventually overcoming the limitations of the multigrain and polymer flow models of particle growth. It is demonstrated that there is a need to introduce some sort of macroheterogeneity into the evolution of the stress build-up in the growing macroparticles in order to see a local rupture of the particle structure. Different simulations are proposed and qualitatively compared to previously published experimental results in order to validate the approach.
Item Type:Article
Copyright:© 2007 Wiley InterScience
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Link to this item:http://purl.utwente.nl/publications/72235
Official URL:http://dx.doi.org/10.1002/mren.200600036
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