Iskalni niz:
išči po
išči po
išči po
išči po
Vrsta gradiva:
Jezik:
Št. zadetkov: 5
Delovni tlak črpalke pri izvedbi globokih vrtin
Blaž Janc, Željko Vukelič
Magistrsko delo
Oznake: vrtanje;delovni tlak črpalke;izplaka;reološki modeli;izgube tlaka;hidravlika vrtine;
Delovni tlak črpalke pri izvedbi globokih vrtin
Leto: 2015 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Expression of the self-sharpening mechanism of a roller cone bit during wear due to the influence of the erosion protection carbide coating
Jurij Šporin, Primož Mrvar, Blaž Janc, Željko Vukelič
Izvirni znanstveni članek
Oznake: carbide coating;erosion effect;micro channel;disintegration;drilling;
Roller cone drill bits are used in drilling larger diameter wells. The drilling efficiency of the roller cone drill bit depends on the wear rate of the materials that forms bit teeth, which crushes the rock at the bottom of the well. To prevent excessive wear, research has largely focused on the stu ...
Leto: 2021 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Change of the properties of steel material of the roller cone bit due to the influence of the drilling operational parameters and rock properties
Jurij Šporin, Tilen Balaško, Primož Mrvar, Blaž Janc, Željko Vukelič
Izvirni znanstveni članek
Oznake: drilling;roller cone bit;mechanism of drill bit wear;carbide coating;HV hardness;high temperature;
The breakdown of the drill bit or rapid decrease of the rate of penetration during the drilling process results in a delay in the progress of drilling. Scientists and engineers are increasingly focusing on research to extend the bit life and improve the drilling rate. In our work, “in situ” drilling ...
Leto: 2020 Vir: Naravoslovnotehniška fakulteta (UL NTF)
Assessing average annual air temperature trends using the Mann–Kendall test in Kosovo
Milivoj B. Gavrilov, Slobodan B. Marković, Natalija Janc, Milena Nikolić, Aleksandar Valjarević, Blaž Komac, Matija Zorn, Milan Punišić, Nikola Bačević
Ni določena
Oznake: geography; meteorology;air temperature trends; climate change; Mann–Kendall test; Kosovo
The annual trends of surface mean monthly air temperature and monthly extreme temperatures were analyzed from ten meteorological stations in Kosovo. The data refer to observation periods between 1949 and 1999 for four stations, and observation periods between 1965 and 1999 for the remaining six stat ...
Leto: 2018 Vir: ZRC SAZU
Assessing average annual air temperature trends using the Mann–Kendall test in Kosovo
Milivoj B. Gavrilov, Slobodan B. Marković, Natalija Janc, Milena Nikolić, Aleksandar Valjarević, Blaž Komac, Matija Zorn, Milan Punišić, Nikola Bačević
Izvirni znanstveni članek
Oznake: air temperature trends;climate change;Mann–Kendall test;Kosovo
The annual trends of surface mean monthly air temperature and monthly extreme temperatures were analyzed from ten meteorological stations in Kosovo. The data refer to observation periods between 1949 and 1999 for four stations, and observation periods between 1965 and 1999 for the remaining six stat ...
Leto: 2018 Vir: ZRC SAZU
Št. zadetkov: 5
Ključne besede:
Leto izdaje:
Avtorji:
Repozitorij:
Tipologija:
Jezik: