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Št. zadetkov: 24
CFD analysis of thermal fields for ice abrasive water jet
Marko Jerman, Henri Orbanić, Joško Valentinčič
Izvirni znanstveni članek
Oznake: water jet machining;CFD simulation;cold jet;IceJet technology;ice abrasive water jet;abbreviations;computational fluid dynamics;infrared;flash abrasive water jet;thermocouple;volume of fluid;
Ice abrasive water jet (IAWJ) technology uses ice particles instead of the mineral abrasives used in abrasive water jet (AWJ) technology. Since the thermal conditions are extremely important for the survival of the ice particles and their mechanical properties, the temperatures of the water jet and ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Influence of anode immersion speed on current and power in plasma electrolytic polishing
Joško Valentinčič, Henning Zeidler, Toni Böttger, Marko Jerman
Izvirni znanstveni članek
Oznake: plazemsko elektrolitsko poliranje;parno-plinska ovojnica;hitrost potapljanja;vršni tok;povprečni tok;inicializacija procesa;plasma electrolytic polishing;vapour–gaseous envelope;immersion speed;peak current;average power;process initialisation;
Plasma electrolytic polishing (PeP) is mainly used to improve the surface quality and thus the performance of electrically conductive parts. It is usually used as an anodic process, i.e., the workpiece is positively charged. However, the process is susceptible to high current peaks during the format ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Ice jet technology
Marko Jerman, Andrej Lebar, Izidor Sabotin, Pavel Drešar, Joško Valentinčič
Izvirni znanstveni članek
Oznake: IAWJ machining;icejet;ice abrasive;cryogenic gas;ice particles;
Ice jet technology
Leto: 2018 Vir: Fakulteta za strojništvo (UL FS)
Characterization of a custom-made digital light processing stereolithographic printer based on a slanted groove micromixer geometry
Joško Valentinčič, Miha Prijatelj, Marko Jerman, Andrej Lebar, Izidor Sabotin
Izvirni znanstveni članek
Oznake: DLP stereolithography;3D printers;characterizations;micromixers;
A custom-made stereolithographic printer using a digital light processing optical (DLP) system based on a digital micromirror device (DMD) was characterized. Several sizes of slanted grooved micromixers (SGM) were produced and typical dimensions were measured and compared to nominal values. The resu ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Observation of cryogenically cooled ice particles inside the high-speed water jet
Marko Jerman, Michal Zeleňák, Andrej Lebar, Vladimir Foldyna, Josef Foldyna, Joško Valentinčič
Izvirni znanstveni članek
Oznake: ice abrasive water jet (IAWJ);IceJet;ice particles;cryogenic temperatures;high-speed water jet;planar laser induced fluorescence (PLIF);blasting;erosion;
The Ice abrasive water jet technology uses cryogenically cooled ice particles instead of the mineral abrasive used in the Abrasive water jet technology. The aim is to avoid contamination of workpieces with mineral abrasives and to reduce the environmental impact of this technology. The ice particles ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Dynamic measurements using FDM 3D-printed embedded strain sensors
Marco Maurizi, Janko Slavič, Filippo Cianetti, Marko Jerman, Joško Valentinčič, Andrej Lebar, Miha Boltežar
Izvirni znanstveni članek
Oznake: 3D-tiskanje;zaznavala deformacij;vgrajeni senzorji;dinamične meritve;pametne strukture;3D-printing;strain sensors;embedded sensors;dynamic measurements;fused deposition modeling;smart structures;
3D-printing technology is opening up new possibilities for the co-printing of sensory elements. While quasi-static research has shown promise, the dynamic performance has yet to be researched. This study researched smart 3D structures with embedded and printed sensory elements. The embedded strain s ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Preliminary investigation on plasma electrolytic polishing of microfluidic platform produced by selective laser melting
Izidor Sabotin, Marko Jerman, Andrej Lebar, Joško Valentinčič, Toni Böttger, Lisa Kühnel, Henning Zeidler
Objavljeni znanstveni prispevek na konferenci
Oznake: selektivno lasersko pretaljevanje;plazemsko elektrolitsko poliranje;izdelovalna veriga;mikrofluidika;aditivne tehnologije;selective laser melting;plasma electrolytic polishing;process chain;microfluidics;additive technology;
The inherent issue of additively manufactured metallic parts is in their high surface roughness which hinders technology’s applicability for microproduct production. Usually, post-processing is required. Plasma electrolytic Polishing (PeP) is a promising technology which could tackle aforementioned ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Effects of plasma electrolytic polishing on SLM printed microfluidic platform
Izidor Sabotin, Marko Jerman, Andrej Lebar, Joško Valentinčič, Toni Böttger, Lisa Kühnel, Henning Zeidler
Objavljeni znanstveni prispevek na konferenci
Oznake: selective laser melting;plasma electrolytic polishing;microfluidics;additive manufacturing;
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Evropska diplomacija
Duška Jerman, Marko Kosin
Diplomsko delo
Oznake: Evropska unija;Republika Slovenija;Diplomacija;Zunanja politika;Mednarodna skupnost;Javno mnenje;
Evropska diplomacija
Leto: 2004 Vir: Fakulteta za družbene vede (UL FDV)
Analiza usposobljenosti managerjev v malih podjetjih
Sanda Jerman, Marko Ferjan
Diplomsko delo
Oznake: znanje;izobraževanje;mala podjetja;
Analiza usposobljenosti managerjev v malih podjetjih : diplomsko delo visokošolskega strokovnega študija
Leto: 2006 Vir: Fakulteta za organizacijske vede (UM FOV)
Št. zadetkov: 24
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