| dc.contributor.author | Balevičius, Robertas | |
| dc.contributor.author | Kačianauskas, Rimantas | |
| dc.contributor.author | Mroz, Zenon | |
| dc.contributor.author | Sielamowicz, Irena | |
| dc.date.accessioned | 2023-09-18T19:44:07Z | |
| dc.date.available | 2023-09-18T19:44:07Z | |
| dc.date.issued | 2006 | |
| dc.identifier.other | (BIS)VGT02-000013535 | |
| dc.identifier.uri | https://etalpykla.vilniustech.lt/handle/123456789/142811 | |
| dc.description.abstract | The Discrete Element Method (DEM) is applied in numerical modelling of flow of granular materials in filling and discharge processes in hoppers. The granular material is represented by an assembly of 1980 spherical particles of specified grain size distribution with frictional and visco-elastic contact interaction. Three types of hoppers are considered: plane-wedged, space-wedged and flat bottomed, with varying shape parameters. The filling process is simulated by assuming dynamic motion of particles from specified height into closed hopper. The discharge process is analyzed by considering dynamic flow of grains through open bottom orifice. The numerical analysis provides the evolution of velocity field and contact tractions at hopper walls during filling and discharge stages. The distribution of porosity field, and evolution of discharge flow mass fraction are specified from the numerical analysis. The DEM is an effective tool in study of static and kinematic fields of granular materials, and also in the sensitivity analysis of the effect of geometric and material grain parameters on macroscopic flow properties and wall pressures. | eng |
| dc.format.extent | p. [1-14] | |
| dc.format.medium | tekstas / txt | |
| dc.language.iso | eng | |
| dc.title | Numerical modeling of filling and discharge processes in hoppers of different shapes | |
| dc.type | Straipsnis recenzuotame konferencijos darbų leidinyje / Paper published in peer-reviewed conference publication | |
| dcterms.references | 12 | |
| dc.type.pubtype | P1d - Straipsnis recenzuotame konferencijos darbų leidinyje / Article published in peer-reviewed conference proceedings | |
| dc.contributor.institution | Vilniaus Gedimino technikos universitetas | |
| dc.contributor.institution | Polish Academy of Sciences | |
| dc.contributor.institution | Bialystok Technical University | |
| dc.contributor.faculty | Statybos fakultetas / Faculty of Civil Engineering | |
| dc.contributor.faculty | Fundamentinių mokslų fakultetas / Faculty of Fundamental Sciences | |
| dc.subject.researchfield | T 002 - Statybos inžinerija / Construction and engineering | |
| dcterms.sourcetitle | 2006 AIChE Spring National Meeting. 5th World Congress on Particle Technology 2006, April 23-27 Orlando, Florida [CD] / The Association of Powder Processing Industry & Engineering, Japan (APPIE), The Australasian Particle Technology Society, The Asian Chemical Engineering Association, The Chinese Society of Particuology, The European Federation of Chemical Engineers, The Finnish Fine Particle Society, GVC VDI, Germany, The International Fine Particle Research Institute, Inc. (IFPRI), The Particle Technology Forum (AIChE), USA, La Société Francaise de Génie des Procédés, The Society of Powder Technology, Japan, The South American Society of Particle Technology | |
| dc.publisher.name | University of Pittsburg | |
| dc.publisher.city | Pittsburg | |
| dc.identifier.elaba | 3758161 | |
