On the effect of segregation on intense bimodal bed load
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00305350" target="_blank" >RIV/68407700:21110/17:00305350 - isvavai.cz</a>
Výsledek na webu
<a href="https://doi.org/10.1051/epjconf/201714302148" target="_blank" >https://doi.org/10.1051/epjconf/201714302148</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/201714302148" target="_blank" >10.1051/epjconf/201714302148</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
On the effect of segregation on intense bimodal bed load
Popis výsledku v původním jazyce
Open-channel two-phase flow above a granular mobile bed is studied experimentally and theoretically. In the two-phase flow, water serves as a carrying liquid for plastic grains transported as collisional contact load in the upper-stage plane bed regime. The investigation evaluates friction- and transport characteristics of the flow under the condition of intense collisional transport of grains and links them with the internal structure of the two-phase flow. The paper focusses on the effect of bimodal solids (mixed two fractions of grains of similar density and different size and shape) on the flow characteristics and internal structure. Hence, experimental results obtained for the bimodal mixture are compared with results for individual grain fractions. The experiments show that the bimodal character of the transported solids affects the layered internal structure of the flow as a result of fraction segregation due primarily to gravity (kinetic) sieving during transport. The segregation also affects the friction- and transport characteristics of intense bed load. In the paper, the effects are described and quantified
Název v anglickém jazyce
On the effect of segregation on intense bimodal bed load
Popis výsledku anglicky
Open-channel two-phase flow above a granular mobile bed is studied experimentally and theoretically. In the two-phase flow, water serves as a carrying liquid for plastic grains transported as collisional contact load in the upper-stage plane bed regime. The investigation evaluates friction- and transport characteristics of the flow under the condition of intense collisional transport of grains and links them with the internal structure of the two-phase flow. The paper focusses on the effect of bimodal solids (mixed two fractions of grains of similar density and different size and shape) on the flow characteristics and internal structure. Hence, experimental results obtained for the bimodal mixture are compared with results for individual grain fractions. The experiments show that the bimodal character of the transported solids affects the layered internal structure of the flow as a result of fraction segregation due primarily to gravity (kinetic) sieving during transport. The segregation also affects the friction- and transport characteristics of intense bed load. In the paper, the effects are described and quantified
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
—
OECD FORD obor
20101 - Civil engineering
Návaznosti výsledku
Projekt
<a href="/cs/project/GA16-21421S" target="_blank" >GA16-21421S: Analýza stratifikovaného proudění s volnou hladinou založená na kinetické teorii zrnitých směsí</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2017
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
EFM16 – Experimental Fluid Mechanics 2016
ISBN
—
ISSN
2100-014X
e-ISSN
2100-014X
Počet stran výsledku
7
Strana od-do
976-982
Název nakladatele
EDP Sciences
Místo vydání
Les Ulis
Místo konání akce
Mariánské Lázně
Datum konání akce
15. 11. 2016
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
000407743800150