EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Published online||30 June 2017|
Breaking of rod-shaped model material during compression
1 Czech Academy of Science , Institute of Chemical Process Fundamentals, 16502 Rozvojova 2/135, Prague, Czech Republic
2 University of Chemistry and Technology Prague, Department of Organic Technology, 16500 Technicka 5, Prague, Czech Republic
3 University of Chemistry and Technology Prague, Department of Chemical Engineering, 16500 Technicka 3, Prague, Czech Republic
* Corresponding author: firstname.lastname@example.org
Published online: 30 June 2017
The breakage of a model anisometric dry granular material caused by uniaxial compression was studied. The bed of uniform rod-like pasta particles (8 mm long, aspect ratio 1:8) was compressed (Gamlen Tablet Press) and their size distribution was measured after each run (Dynamic Image Analysing). The compression dynamics was recorded and the effect of several parameters was tested (rate of compression, volume of granular bed, pressure magnitude and mode of application). Besides the experiments, numerical modelling of the compressed breakable material was performed as well, employing the DEM approach (Discrete Element Method). The comparison between the data and the model looks promising.
© The Authors, published by EDP Sciences, 2017
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