RESEARCH PAPER
Simulational and experimental determination of the exploitation parameters of a screw conveyor
1
AGH University of Science And Technology, al. Mickiewicza 30, 30-059 Kraków, Poland
Publication date: 2020-12-31
Eksploatacja i Niezawodność – Maintenance and Reliability 2020;22(4):741-747
HIGHLIGHTS
- The influence of the DEM model parameters on the results of the simulations is significant.
- DEM study and experimental test results of the screw conveyor are in a great agreement.
- Determination of the conveyor’s exploitation parameters using DEM method is possible.
KEYWORDS
ABSTRACT
The paper discusses the designing process of screw conveyors, with regard to the determination of the exploitation parameters of such devices with the use of the Discrete Element
Method (DEM). The influence of the chosen model input parameters on the results of the
simulations was examined. The key parameters which determine the exploitation characteristics of a screw conveyor were identified as follows: the size of a DEM particle, coefficients
of internal and external friction. Experimental measurements of the laboratory screw conveyor provided the actual exploitation characteristics of a device used for the transportation
of a limestone powder. The comparison of the results of the simulations and experiments
gave satisfactory results. For this reason, DEM simulations were identified as an effective
tool for determining and optimization of the construction and exploitation parameters of the
screw conveyors
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