A modification of predictive three-component model for turbulent flows of complex slurries in pipelines based on experimental results
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00342942" target="_blank" >RIV/68407700:21110/20:00342942 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.2478/johh-2020-0019" target="_blank" >https://doi.org/10.2478/johh-2020-0019</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.2478/johh-2020-0019" target="_blank" >10.2478/johh-2020-0019</a>
Alternative languages
Result language
angličtina
Original language name
A modification of predictive three-component model for turbulent flows of complex slurries in pipelines based on experimental results
Original language description
The paper describes a mathematical and physical modelling of flow of complex slurries in pipelines, i.e. a flow of slurries composed of solids covering a very broad range of particle sizes that overlaps more than one flow patterns – non-Newtonian, pseudohomogeneous, heterogeneous and fully-stratified. A typical examples are residual products (“tailings”) from mining industry with normal average particle sizes of 20 to 100 μm or more. Experimental results of flows of complex slurries composing of non-Newtonian carrier fluid and three fractions of glass particles in 50 mm pipe are presented. Depending on the particle size, particles show different flow patterns and therefore considerable differences in pressure drops. Fine particles tend behave as a homogeneous matter, while coarser particles exhibit heterogeneous behaviour and even coarser particles form a sliding bed. A mathematical 3-component predictive model for turbulent flow of complex slurries is presented based on well-established semi-empirical formulae developed originally for flows with Newtonian carrier. The predicted values of pressure drops show very reasonable agreement with experimental results and indicate suitability of the model for engineering practice.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10503 - Water resources
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Hydrology and Hydromechanics
ISSN
0042-790X
e-ISSN
1338-4333
Volume of the periodical
68
Issue of the periodical within the volume
3
Country of publishing house
SK - SLOVAKIA
Number of pages
8
Pages from-to
223-230
UT code for WoS article
000560031900002
EID of the result in the Scopus database
2-s2.0-85091335567