Study of the three-phase contact expansion during the bubble adhesion on a solid surface in pure water

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F12%3A43894168" target="_blank" >RIV/60461373:22340/12:43894168 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Study of the three-phase contact expansion during the bubble adhesion on a solid surface in pure water

Popis výsledku v původním jazyce

The adhesion process consists of three steps. Three-phase contact (TPC) line expansion (the last one) is investigated in this work. The experiments are realized in a special measuring equipment where a single bubble with a diameter less than 1 mm is generated at the top of the thin capillary, then rises through the liquid medium and interacts with a solid particle. Described process is recorded using high-speed digital camera for the time and every image is then evaluated using the image analysis software. The molecular-kinetic model is used for the description of the TPC expansion in this project. It expresses the dependence of the TPC radius in time and uses the dynamic and the equilibrium contact angles for its evaluation. Two adjustable parametersin this model have to be found. When the experimental and calculated data are compared, good agreement appears - primarily for second slow phase of the TPC expansion.

Název v anglickém jazyce

Study of the three-phase contact expansion during the bubble adhesion on a solid surface in pure water

Popis výsledku anglicky

The adhesion process consists of three steps. Three-phase contact (TPC) line expansion (the last one) is investigated in this work. The experiments are realized in a special measuring equipment where a single bubble with a diameter less than 1 mm is generated at the top of the thin capillary, then rises through the liquid medium and interacts with a solid particle. Described process is recorded using high-speed digital camera for the time and every image is then evaluated using the image analysis software. The molecular-kinetic model is used for the description of the TPC expansion in this project. It expresses the dependence of the TPC radius in time and uses the dynamic and the equilibrium contact angles for its evaluation. Two adjustable parametersin this model have to be found. When the experimental and calculated data are compared, good agreement appears - primarily for second slow phase of the TPC expansion.

Druh

D - Stať ve sborníku

CEP obor

CI - Průmyslová chemie a chemické inženýrství

OECD FORD obor

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Projekt

<a href="/cs/project/GAP101%2F11%2F0806" target="_blank" >GAP101/11/0806: Vliv povrchově aktivních látek na proudění ve vícefázových systémech</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

39th International Conference of Slovak Society of Chemical Engineering

ISBN

978-80-89475-04-9

ISSN

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e-ISSN

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Počet stran výsledku

9

Strana od-do

1264-1272

Název nakladatele

Slovak Society of Chemical Engineering

Místo vydání

Bratislava

Místo konání akce

Tatranské Matliare

Datum konání akce

21. 5. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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