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Št. zadetkov: 6
Funkcionalna pismenost vzgojiteljev v vrtcu
Luka Sterle, Darija Skubic, Damjana Kogovšek
Diplomsko delo
Oznake: bralna pismenost;dokumentacijska pismenost;računalniška pismenost;vzgojitelji;
Funkcionalna pismenost vzgojiteljev v vrtcu
Leto: 2012 Vir: Pedagoška fakulteta (UL PEF)
Fundamental characterization of cryogenic machining by applying solid lubricants
Luka Sterle, Franci Pušavec, Mitjan Kalin
Doktorska disertacija
Oznake: dissertations;cryogenic machining;solid lubricants;tribology;tribometer;cutting temperature;surface integrity;
Cryogenic machining based on liquid carbon dioxide (LCO2) represents a sustainable and clean way of manufacturing and enables the substitution of conventional metalworking fluids such as water-based emulsions. In machining processes, LCO2 is a cooling medium to which various lubricants are added to ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Sustainability assessment of advanced machining technologies
Luka Sterle, Damir Grguraš, Matjaž Kern, Franci Pušavec
Izvirni znanstveni članek
Oznake: cryogenic machining;high pressure machining;sustainability;cost assessment;risk assessment;
Efficient cooling and lubrication techniques are required to obtain sustainable machining of difficult-to-cut materials, which are the pillars of aerospace, automotive, medical and nuclear industries. Cryogenic machining with the assistance of lubricated Liquid Carbon Dioxide (LCO2) is a novel appro ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
ǂA ǂnovel cryogenic machining concept based on a lubricated liquid carbon dioxide
Damir Grguraš, Luka Sterle, Peter Krajnik, Franci Pušavec
Izvirni znanstveni članek
Oznake: cryogenic machining;carbon dioxide;single-channel MQL;solubility;cooling;lubrication;
A novel single-channel supply of pre-mixed (a) liquid carbon dioxide (LCO2) and (b) oil - delivered via minimum quantity lubrication (MQL) - represents a significant advancement in cryogenic-machining technology. In this proof-of-concept study, an attempt is made to advance the understanding of the ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Media flow analysis of single-channel pre-mixed liquid CO2 and MQL in sustainable machining
Damir Grguraš, Luka Sterle, Aleš Malneršič, Luka Kastelic, Cedric Courbon, Franci Pušavec
Izvirni znanstveni članek
Oznake: flow analysis;flow velocity;droplet size;single-channel supply;liquid carbon dioxide - LCO2;minimum quantity lubrication - MQL;LCO2 assisted machining;
Single-channel supply of pre-mixed liquid carbon dioxide (LCO2) and minimum quantity lubrication (MQL) represents a state-of-the-art LCO2 assisted machining. However, to fully understand and optimize cooling and lubrication provided by the LCO2 + MQL, a fundamental media flow analysis is essential, ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Tribology of solid-lubricated liquid carbon dioxide assisted machining
Franci Pušavec, Luka Sterle, Mitjan Kalin, Dinesh Mallipeddi, Peter Krajnik
Izvirni znanstveni članek
Oznake: machining;lubrication;friction;
An investigation is made into the lubrication capabilities of solid-lubricated liquid carbon dioxide (LCO2)incomparison toflood lubrication, straight LCO2and oil-lubricated LCO2(MQL). The coefficient of friction isdetermined via tribological experiments, similar to machining, using an open tribomete ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 6
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