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Title:
Numerična analiza transporta sipkega materiala v procesu suhe granulacije
Authors:
ID
Martinčević, Neven
(Author)
ID
Lerher, Tone
(Mentor)
More about this mentor...
ID
Zadravec, Matej
(Comentor)
ID
Jaklič, Miha
(Comentor)
Files:
MAG_Martincevic_Neven_2017.pdf
(24,39 MB)
MD5: 859C9B13CCD4458881387643B65D82B2
PID:
20.500.12556/dkum/0e0da041-0a3a-4ebe-a9ba-a9d4648aef15
Language:
Slovenian
Work type:
Master's thesis/paper
Typology:
2.09 - Master's Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Magistrsko delo predstavlja izvedbo numeričnih simulacij sipkega materiala med procesom suhe granulacije v odprtokodnem programskem paketu LIGGGHTS-PUBLIC 3.6.0. Poudarek je na izdelavi numeričnega modela, nastavitvah, predpostavkah in uporabi primernih robnih pogojev, ki omogočajo izvedbo numerične simulacije. S pomočjo laboratorijskega eksperimenta ter numeričnih simulacij, ki temeljijo na metodi diskretnih elementov, so določene materialne lastnosti ter interakcijski parametri za mešanico prahov in ostalih materialov, ki pridejo v kontakt z prahom. Izvedeno je veliko število numeričnih simulacij procesa suhe granulacije, kjer smo spreminjali razmik med valji, število vrtljajev polža in število vrtljajev valjev. Na podlagi izmerjenih predkompakcijskih gostot, so bile pridobljene enačbe, s katerimi se lahko izračunajo relativne predkompakcijske gostote za željene obratovalne parametre naprave za suho granulacijo.
Keywords:
numerična simulacija
,
metoda diskretnih elementov
,
suha granulacija
,
sipki material
Place of publishing:
Maribor
Publisher:
[N. Martinčević]
Year of publishing:
2017
PID:
20.500.12556/DKUM-68896
UDC:
519.6:66.099.2(043.2)
COBISS.SI-ID:
21254934
NUK URN:
URN:SI:UM:DK:FQYCE07T
Publication date in DKUM:
14.12.2017
Views:
1506
Downloads:
337
Metadata:
Categories:
KTFMB - FS
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:
MARTINČEVIĆ, Neven, 2017,
Numerična analiza transporta sipkega materiala v procesu suhe granulacije
[online]. Master’s thesis. Maribor : N. Martinčević. [Accessed 25 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=68896
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Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:
09.11.2017
Secondary language
Language:
English
Title:
Numerical analysis of granular material transport in dry granulation process
Abstract:
Master's Thesis presents an implementation of numerical simulations of bulk materials during the dry granulation process in the open source software package LIGGGHTS-PUBLIC 3.6.0. The emphasis is on the development of a numerical model, settings, assumptions and the use of appropriate boundary conditions, which enable the execution of numerical simulations. Using the laboratory experiment and numerical simulations, which are based on the discrete element method, the material properties and interaction parameters for a mixture of powders and other materials that are in contact with the powder were determined. A large number of numerical simulations of the dry granulation process were carried out, where we were changing the spacing between the cylinders, the number of auger revolutions and the number of cylinders revolutions. Based on the measured pre-compaction densities, equations are generated and they can be used for analytical calculations of pre-compaction densities for desired operating parameters of roller compactor.
Keywords:
numerical simulation
,
discrete element method
,
dry granulation
,
granular material
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