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1. Standing, Christopher. Developing Interactive Design Teaching Aid for Processing of Particulate Solids.

Degree: 2013, University of Surrey (United Kingdom)

Teaching the processing of particles is very affective with the use of visual aids. Currently the best interactive equipment available for students is of the undergraduate laboratory experiments, (Hopper discharge, Level 1&2 <i> Undergraduate Laboratory</i> modules, Chemical and Process Engineering department, University of Surrey). However, this only allows two parameters to be changed (particle size and orifice diameter). The University of Surrey would like to extend its particles teaching program, with the use of a commercially available software package, to be used interactively in the Level M module, <i> Introduction to Processing Particulate Solids</i>. The use of the Discrete Element Modelling (DEM) program would allow the student to set up a simulation, and observe how different parameters (particle size/type/shape, hopper angle, inter-particle interactions, etc) affect the behaviour, and flow characteristics of particles. Observations can be made both visually (using the programs advanced animation package), and analytically/graphically (being able to export data to both a graph generator and/or <i>Excel </i> spreadsheets, for further data manipulation). The use of this software will take occur in tutorials, along side taught lectures. Of the taught three hours a week, one of these will be a tutorial, using the <i>EDEM</i> software. A semester is 13 weeks (39 hours) long. There are two desired case studies that are aimed at introducing the basics of particle handling, through to observing how the inter-particle behaviour on a micro scale can affect engineering functions on the macro scale. The first case study exercise would include a simple hopper construction and discharge simulation. Variation in the hopper half angle would allow students to observe the Beverloo relationship and find a Rose & Tanaka modification value, while defining the difference between “mass” and “funnel” flow. Further sensitivity analysis could be employed, with relative ease compared with laboratory equipment, (allowing students to change orifice diameter, particle size/shape, or internal friction of the particles, etc), to reinforce the complexity of processing particles. <i>EDEM</i> can simulate such experiments to a good order of accuracy, in a suitably sort period of time, (quick enough to fit within a one or two hour tutorial). An advised simulation set up would be a two dimensional hopper, of dimensions; 0.05m x-direction, 0.3m y-direction, 1.5m z-direction, for an orifice of 0.05m in width, to discharge rock particles of 0.0065m in diameter (and a modified shear modulus of 5×106Pa), with the simulation running at a 50% Rayleigh time step. The second case study would include a second group of particles (differing in size and/or material). Students would then see how this introduction affects flow in both the “funnel” and “mass” flow regimes, (and particularly for very small orifices for the former, where…

Subjects/Keywords: Engineering, Chemical; Education, Technology of

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Standing, C. (2013). Developing Interactive Design Teaching Aid for Processing of Particulate Solids. (Thesis). University of Surrey (United Kingdom). Retrieved from http://pqdtopen.proquest.com/#viewpdf?dispub=1521346

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Standing, Christopher. “Developing Interactive Design Teaching Aid for Processing of Particulate Solids.” 2013. Thesis, University of Surrey (United Kingdom). Accessed August 18, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=1521346.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Standing, Christopher. “Developing Interactive Design Teaching Aid for Processing of Particulate Solids.” 2013. Web. 18 Aug 2019.

Vancouver:

Standing C. Developing Interactive Design Teaching Aid for Processing of Particulate Solids. [Internet] [Thesis]. University of Surrey (United Kingdom); 2013. [cited 2019 Aug 18]. Available from: http://pqdtopen.proquest.com/#viewpdf?dispub=1521346.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Standing C. Developing Interactive Design Teaching Aid for Processing of Particulate Solids. [Thesis]. University of Surrey (United Kingdom); 2013. Available from: http://pqdtopen.proquest.com/#viewpdf?dispub=1521346

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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