magistrsko delo
Nika Mlinarič (Author), Natan Osterman (Mentor)

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.

Keywords

hidrodinamika;mikrofluidika;senzor hitrosti;koloidi;sledenje delcev;

Data

Language: Slovenian
Year of publishing:
Typology: 2.09 - Master's Thesis
Organization: UL FMF - Faculty of Mathematics and Physics
Publisher: [N. Mlinarič]
UDC: 532.5
COBISS: 3213924 Link will open in a new window
Views: 762
Downloads: 261
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Other data

Secondary language: English
Secondary title: Microfluidic flow sensor based on particle tracking velocimetry in side chamber
Secondary 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.
Secondary keywords: hydrodynamics;microfluidics;flow sensor;colloidal particles;particle tracking;
Type (COBISS): Master's thesis/paper
Study programme: 0
Thesis comment: Univ. v Ljubljani, Fak. za matematiko in fiziko, Oddelek za fiziko
Pages: 59 str.
ID: 10944482