Analysis of solids concentration and velocity profiles in stratified bimodal contact load: refinement of the collisional model.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F25%3A00385646" target="_blank" >RIV/68407700:21110/25:00385646 - isvavai.cz</a>
Result on the web
<a href="https://dspace.cvut.cz/handle/10467/126763" target="_blank" >https://dspace.cvut.cz/handle/10467/126763</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Analysis of solids concentration and velocity profiles in stratified bimodal contact load: refinement of the collisional model.
Original language description
This study investigates the internal structure of open-channel flow transporting a bimodal sediment mixture of particles differing in size, density, and shape. Optical methods measured velocity and concentration profiles through a transparent flume wall. Results confirm a layered structure with a collisional layer characterized by rapid concentration and velocity variations. Finer particles formed a layer above the stationary bed, consistent with previous studies. A relationship between concentration at the collisional layer’s base and the Shields number was calibrated and incorporated into an existing model, improving its applicability by eliminating the need to prescribe interface concentration as an input parameter.
Czech name
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Czech description
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Project
<a href="/en/project/GA23-07772S" target="_blank" >GA23-07772S: Structure and dynamics of multi-species bed load transport above erodible plane bed in open channel</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 22nd International Conference on HYDROTRANSPORT
ISBN
978-80-01-07404-6
ISSN
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e-ISSN
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Number of pages
11
Pages from-to
165-175
Publisher name
CESKE VYSOKE UCENI TECHNICKE V PRAZE
Place of publication
Praha
Event location
Praha
Event date
May 27, 2025
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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