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Mikrofluidični senzor hitrosti na osnovi opazovanja gibanja delcev v stranski komori
Mlinarič, Nika (Author), Osterman, Natan (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrskem delu je predstavljen nov koncept merjenja hitrosti v mikrofluidičnem vezju, ki temelji na opazovanju gibanja delcev v tekočini v stranski komori, ki se ne meša z vzorcem v glavnem kanalu mikrofluidičnega vezja. Prikazane so teoretične osnove in numerična simulacija predlaganega senzorja. Opisan je postopek izdelave zasnovanega mikrofluidičnega vezja in izvedba meritev. Eksperimentalno je potrjen pojav sekundarnega toka v stranski komori in natančneje analizirano gibanje delcev v toku. Ugotovljena je korelacija med tem gibanjem in hitrostjo toka v glavnem kanalu.

Language:Slovenian
Keywords:mikrofluidika, senzor hitrosti, laminaren tok, koloidi, merjenje hitrosti s sledenjem delcev
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:FMF - Faculty of Mathematics and Physics
Year:2018
COBISS.SI-ID:3213924 Link is opened in a new window
Views:395
Downloads:191
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Secondary language

Language:English
Title:Microfluidic flow sensor based on particle tracking velocimetry in side chamber
Abstract:
This master's thesis presents a new concept for velocity measurements in microfluidics, based on the observation of movement of colloidal particles in the secondary flow in the side chamber, filled with a fluid that does not mix with the sample in the main channel of the microfluidic system. First, theoretical basics and numerical simulation of proposed design are explained. Next, manufacturing of a sensor and the performed measurements are described. They are followed by detailed analysis of particle movement where correlation between the main channel flow velocity and side chamber particle movement is shown.

Keywords:microfluidics, flow sensor, laminar flow, colloidal particles, particle tracking velocimetry

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