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An additional step towards modelling the mechanical behaviour of sugar cane bagasse

Plaza, Floren (2011) An additional step towards modelling the mechanical behaviour of sugar cane bagasse. In Bruce, Robin (Ed.) Australian Society of Sugar Cane Technologists. Proceedings, Australian Society of Sugar Cane Technologists, Mackay.

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Abstract

A better understanding of the behaviour of prepared cane and bagasse, especially the ability to model the mechanical behaviour of bagasse as it is squeezed in a milling unit to extract juice, would help identify how to improve the current milling process; for example to reduce final bagasse moisture.
Previous investigations have proven with certainty that juice flow through bagasse obeys Darcy’s permeability law, that the grip of the rough surface of the grooves on the bagasse can be represented by the Mohr- Coulomb failure criterion for soils, and that the internal mechanical behaviour of the bagasse can be represented by critical state behaviour similar to that of sand and clay. Current Finite Element Models (FEM) available in commercial software have adequate permeability models. However, commercial software does not contain an adequate mechanical model for bagasse. Progress has been made in the last ten years towards implementing a mechanical model for bagasse in finite element software code. This paper builds on that progress and carries out a further step towards obtaining an adequate material model. In particular, the prediction of volume change during shearing of normally consolidated final bagasse is addressed.

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ID Code: 47592
Item Type: Conference Paper
Keywords: bagasse mechanical behaviour, mill modelling
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Interdisciplinary Engineering not elsewhere classified (091599)
Divisions: Current > Research Centres > Centre for Tropical Crops and Biocommodities
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2011 ASSCT.
Deposited On: 12 Dec 2011 01:26
Last Modified: 14 Dec 2011 09:31

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