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Postavitev eksperimentalne naprave za opazovanje vertikalnih dvofaznih tokov in analiza karakteristik stacionarnega Taylorjevega mehurja : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoPerne, ŽigaV delu je predstavljena postavitev eksperimentalne naprave, namenjene opazovanju izotermnih dvofaznih tokov znotraj navpične cevi. Konstrukcija naprave omogoča kontinuirano ali nekontinuirano ... vpihovanje plina v sistem, pri čemer se plin dovaja pod testno sekcijo, medtem ko vodo dovajamo protitočno od zgoraj. Testna sekcija eksperimentalne naprave vključuje dve cevi z različnimi premeri, kar omogoča podrobno opazovanje dvofaznega toka v laminarnem in turbulentnem toku. Instrumentacija naprave obsega senzorje za merjenje tlaka, temperature in pretoka kapljevine. Za opazovanje toka so primarno uporabljene hitre kamere, ki omogočajo zajem slik testne sekcije pri visokih frekvencah slikanja. Meritve lahko potekajo pri običajni osvetlitvi ali osvetlitvi z lasersko ravnino. V tem delu je bila naprava uporabljena za študijo stacionarnega Taylorjevega mehurja, kjer je sila vzgona na mehur uravnotežena s silo upora protitoka vode. Meritve vključujejo analizo razpada Taylorjevega mehurja, dinamiko medfazne površine mehurja in rekonstrukcijo hitrostnega polja v okolici mehurja. Meritve smo izvajali pri različnih temperaturah (od 20°C do 50°C) in tlakih (od 1 bar do 2,5 bar). Naprava deluje v območju Eötvösovega števila med 20 in 100, Mortonovega števila od 0,1 · 10-12 do 25 · 10-12 in pri vrednostih Reynoldsovega števila kapljevinske faze od 1000 do 10000. Opravljene meritve vii prispevajo k boljšemu razumevanju dinamike čepastega dvofaznega toka v navpični cevi. Pridobljeni podatki so uporabni tudi za razvoj in validacijo računalniških modelov.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [Ž. Perne], 2024Language - slovenianCOBISS.SI-ID - 202933251
Author
Perne, Žiga
Other authors
Šarler, Božidar |
Tiselj, Iztok
Topics
magistrske naloge |
čepasti tok |
Taylorjev mehur |
dvofazni tok |
slikovno merjenje hitrosti delcev |
master thesis |
slug flow |
Taylor bubble |
two phase flow |
particle image velocimetry
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | MAG 1400 IN: 70001400 |
available - reading room |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Perne, Žiga | ![]() |
Šarler, Božidar | 04101 |
Tiselj, Iztok | 12057 |
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