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Tok nemešljivih kapljevin v mikrofluidni napravi
Plečko, Žan (Author), Plazl, Igor (Mentor) More about this mentor... This link opens in a new window

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Abstract
V zadnjih letih je pojav mikrofludnih naprav, kjer imamo dve različni nemešljivi tekočini, vzbudil zanimanje strokovnjakov na mnogih področjih, saj je njihovo delovanje napram napravam, ki uporabljajo samo eno fazo boljše. Za lažje konstruiranje naprav in razumevanje procesov v njej je potrebno dobro teoretično znanje fluidne dinamike, pomagajo nam tudi numerične metode s katerimi simuliramo delovanje naprav. Posebej pomembna je sama oblika toka, ki nastane v napravi. Če nastajajo kapljice, lahko vsaka kapljica predstavlja reaktor v katerem poteka kemijska reakcija, zato je zelo pomembno dobro razumevanje nastanka kapljic. Obstaja veliko različnih konfiguracij mikrofludnih naprav in vsaka od njih ima svoje prednosti in slabosti. Za uspešno reševanje problemov z mikrofluidnimi napravami je pomembno znanje o možnih konfiguracijah, zakonitosti posameznih konfiguracij s katerimi si bomo pomagali pri dizajniranju naprave, tako da nam bo praktično služila. Ko so kapljice ustvarjene nas zanima kako potujejo po mikrofluidni napravi, ali jih lahko manipuliramo ali združujemo. To delo predstavlja pregled prej omenjenih procesov, lastnosti in pojavov v mikrofluidni napravi, kjer uporabljamo dve različni nemešljivi fazi.

Language:Slovenian
Keywords:mikrofluidika, naprave, kapljice, numerika
Work type:Bachelor thesis/paper (mb11)
Tipology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2019
COBISS.SI-ID:1538438851 Link is opened in a new window
Views:220
Downloads:75
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Secondary language

Language:English
Title:Flow of two immiscible fluids in microfluidic devices
Abstract:
Development of microfluidic devices that use flow of two immiscible fluids has sparked interest in experts from many fields of nature science. interest lies in their capability to perform better than devices that use only one fluid. For easier and better construction of microfluidic devices is important to have good theoretical background in fluid dynamics and knowledge of numerical methods which are used to simulate working of those devices is also handy. Shape of flow is of particular importance. If microfluidic device produces droplets, each droplet can be interpreted as a small reactor in which chemical reaction is performed, that is why is important to understand process of droplet production. There are many different configurations of microfluidic devices, each one has it's own upsides and downsides. knowledge of such configuration is vital for designing microfluidic device that will be of practical use and will help us with our problems. Once droplets are formed, we are interested how can we manipulate them or marge. Presented work represents review of all processes, properties and phenomena in microfluidic device where two immiscible fluids are used.

Keywords:microfluidics, devices, droplets, numeric methods

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