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Title:Zasnova filtra zraka za 3D tiskalnik
Authors:ID Širok, Jure (Author)
ID Lešnik, Luka (Mentor) More about this mentor... New window
ID Bombek, Gorazd (Comentor)
Files:.pdf MAG_Sirok_Jure_2026.pdf (3,85 MB)
MD5: 12BCFB7E4B49DE74F5D90465823E03F0
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V nalogi se je glede na način delovanja tiskalnika zanj izdelalo filter zraka. Najprej se je določilo vrsto filtrirnega medija. Ker zanj nismo imeli nobenih podatkov, se je izvedlo meritve padca tlaka in vhodne hitrosti v filter. Sledila je izvedba simulacije, s katero se je želelo čim bolj približati rezultatom meritev. Ta simulacija je služila za izvedbo koeficientov poroznega materiala. Te koeficiente se je najprej sicer ocenilo z enačbami iz teorije, ampak je nekje bila ocena močno zgrešena. Ko se je pridobilo koeficiente, se je izdelalo še simulacijo toka skozi tiskalnik z nameščenim filtrom, kjer smo videli, da bi filter moral zagotavljati minimalen podtlak v tiskalniku. Za konec se je poizkusilo z merilnikom izpustnih plinov izmeriti delovanje filtra, ampak se ni uspelo zaznati nikakršne razlike.
Keywords:tiskalnik, filter, Darcyjeva enačba, aktivirano oglje, hepa, simulacija, meritve
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[J. Širok]
Year of publishing:2026
Number of pages:1 spletni vir (1 datoteka PDF (X, 46 f.))
PID:20.500.12556/DKUM-99049 New window
UDC:62-73:004.356.2(043.2)
COBISS.SI-ID:291092995 New window
Publication date in DKUM:27.08.2026
Views:172
Downloads:7
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:28.07.2026

Secondary language

Language:English
Title:Air filter design for a 3D printer
Abstract:An air filter was designed for the printer based on its specific operational principles. The process began by selecting the filtration medium. Since no data existed for this material, it was needed to make measurements of the pressure drop across the filter and the inlet air velocity. These experimental results were then used to calibrate a computational simulation. The primary goal of this simulation was to find somewhat accurate porous media coefficients for the filter. Although these coefficients were initially estimated using theoretical equations, the theoretical predictions deviated significantly from reality; therefore, the model was adjusted until the simulated pressure drop matched the measured values. Using these calibrated coefficients, we performed a full-system flow simulation of the printer enclosure with the filter installed. This analysis confirmed that the filter design effectively creates a slight negative pressure inside the printer. Finally, we attempted to validate the filter's performance in a real-world setting using an exhaust gas analyser. However, the test failed to detect any measurable difference in emissions between the filtered and unfiltered states.
Keywords:printer, filter, Darcy equation, activated charchoal, hepa, simulation, measurements


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