Friction reduction in pipe flow of coarse slurry by fines addition – experimental study
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985874%3A_____%2F24%3A00565153" target="_blank" >RIV/67985874:_____/24:00565153 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1051/epjconf/202429901027" target="_blank" >http://dx.doi.org/10.1051/epjconf/202429901027</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/202429901027" target="_blank" >10.1051/epjconf/202429901027</a>
Alternative languages
Result language
angličtina
Original language name
Friction reduction in pipe flow of coarse slurry by fines addition – experimental study
Original language description
Very coarse basalt-water slurry forming fully stratified flow with a sliding bed and producing considerable friction loss was tested in a laboratory pipe. A considerably finer fraction of sand was added in steps to gradually increase the concentration of this fraction in the flowing slurry. The frictional pressure drop was measured together with the slurry discharge and slurry density. Furthermore, solid particles and their motion were observed at the bottom of the pipe. This observation indicated that finer particles in basalt-based bimodal slurry flows positioned themselves below the coarse particles at the pipe wall. The experimental results show that a quite small amount of fines is sufficient to produce a considerable friction reduction in settling slurry flow. Furthermore, the results indicate that there is a certain optimum quantity of fines at which the maximum reduction is reached and further addition of the fines does not bring any further improvement.
Czech name
—
Czech description
—
Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)
Result continuities
Project
<a href="/en/project/GA20-13142S" target="_blank" >GA20-13142S: Influence of granulometric composition on flow of heterogeneous slurries</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
EPJ Web of Conferences
ISBN
—
ISSN
2100-014X
e-ISSN
2100-014X
Number of pages
6
Pages from-to
1027
Publisher name
Les Ulis: E D P sciences
Place of publication
Dvůr Králové nad Labem
Event location
Dvůr Králové nad Labem
Event date
Nov 29, 2022
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
—