20.500.12556/DKUM-99049 Zasnova filtra zraka za 3D tiskalnik Air filter design for a 3D printer 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. 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. tiskalnik filter Darcyjeva enačba aktivirano oglje hepa simulacija meritve printer filter Darcy equation activated charchoal hepa simulation measurements true true false [J. Širok] Slovenski jezik Angleški jezik Magistrsko delo/naloga 2026-07-28 10:47:02 2026-08-27 18:29:21 2026-09-16 03:11:11 0000-00-00 00:00:00 2026 0 Maribor 0 Maribor 1 spletni vir (1 datoteka PDF (X, 46 f.)) 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 62-73:004.356.2(043.2) 291092995 MAG_Sirok_Jure_2026.pdf MAG_Sirok_Jure_2026.pdf 1 12BCFB7E4B49DE74F5D90465823E03F0 5fcf2b37c0021cfcc5500d5cba11ced9748762ee06a864370afb1e9e68e94e26 63cce758-a22b-11f1-95cc-00155d0001be https://dk.um.si/Dokument.php?lang=slv&id=210754 Fakulteta za strojništvo 0 0 0