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MODELING OF THE SEDIMENTATION PROCESS WITH THE USE OF NUMERICAL METHODS

Turlej, T.; Kolodziejczyk, K.
Abstract:
The article presents the proposition of numerical simulation of the sedimentation process in sedimentation devices, including the method of defining and validating the numerical model of the suspension. The proposal includes a proposal to define a suspension in numerical simulation as a multiphase system with a polydisperse grain composition. The article contains information on the method of defining a multi-phase system based on grain composition of a suspension. A proposal for verification of the numerical model for the high and low concentration system is presented. For the hindered sedimentation (high concentration) it was proposed to conduct validation based on the sedimentation test. For a low-concentration suspension, the use of a flow system with the verification of quantitative data, expressed by the flow rate and the suspension concentration at the inlet and outputs from the device, as well as using qualitative data describing their granulometric composition was proposed. The article also presents a proposal of methodology for numerical simulation of the sedimentation process in settling tanks, detailing the individual stages of modeling.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
sedimentation; suspension; numerical simulation of sedimentation
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM2018
Book number:
1.5
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
351-358
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
3 – 6 December, 2018
ISBN:
978-619-7408-72-0
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM2018, 3 – 6 December, 2018
DOI:
10.5593/sgem2018V/1.5/S02.044
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