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Modelno osnovano načrtovanje pretočnih mikroreaktorjev za dvofazni tok
ID Kramberger, Matic (Author), ID Ambrožič, Rok (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi smo izvedli primerjavo, kako različne geometrijske strukture vplivajo na dvofazne tokove. Najprej smo našteli različne strukture in njihove ključne lastnosti, ki bi lahko vplivale na vedenje dvofaznega toka znotraj njih. Nato smo modelirali obnašanje toka skozi te strukture s pomočjo simulacij računalniške dinamike tekočin (CFD). Te simulacije so nam omogočile preučevanje tokovnih vzorcev, porazdelitve tlaka in interakcij med obema fazama v vsaki strukturi. Rezultati CFD simulacij so nam podali vpogled v to, kako geometrija posameznih struktur vpliva na stabilnost in učinkovitost toka. Po simulacijah smo izbrali nekatere strukture, za katere smo izdelali 3D modele, primerne za 3D tiskanje. Po 3D tisku smo izvedli fizične eksperimente in dobljene rezultate primerjali z rezultati CFD simulacij. Strukture smo ocenjevali glede na njihovo obliko in sposobnost ohranjanja stabilnega tokovnega profila med dvofaznim tokom. Analizirali smo dejavnike, kot so odpornost proti toku, sposobnost ohranjanja porazdelitve faz in stabilnost toka v različnih pogojih. Eksperimenti so nam omogočili celovitejše razumevanje zmogljivosti struktur, potrditev simulacij in vpogled v to, kako geometrijske lastnosti vplivajo na dejansko vedenje dvofaznih tokov.

Language:Slovenian
Keywords:mikroreaktor, dvofazni tok, CFD simulacija, 3D tisk
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Technology
Year:2025
PID:20.500.12556/RUL-171602 This link opens in a new window
COBISS.SI-ID:248586755 This link opens in a new window
Publication date in RUL:28.08.2025
Views:201
Downloads:30
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Secondary language

Language:English
Title:Model-based design of microreactors for two-phase flow
Abstract:
In our thesis, we conducted a comparison of how different geometric structures influence two-phase flows. First, we listed various types of structures and identified their key properties that could affect the behavior of two-phase flow within them. Next, we modeled the flow behavior in these structures using computational fluid dynamics (CFD) simulations. These simulations allowed us to study flow patterns, pressure distribution, and interactions between the two phases in each structure. The results of the CFD simulations provided insight into how the geometry of individual structures influences flow stability and efficiency. Following the simulations, we selected certain structures for which we created 3D models suitable for 3D printing. After printing, we conducted physical experiments and compared the obtained results with those from the CFD simulations. We evaluated the structures based on their shape and their ability to maintain a stable flow profile during two-phase flow. We analyzed factors such as resistance to flow, the ability to maintain phase distribution, and flow stability under different conditions. The experiments enabled a more comprehensive understanding of the performance of the structures, validated the simulations, and provided insights into how geometric properties affect the actual behavior of two-phase flows.

Keywords:microreactor, two-phase flow, CFD simulation, 3D printing

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