Претраживање
Приказ резултата 1-10 од 123
Let na Mars - simulacija anvelope u centrifugi visokih performansi na zemlji / Flight to Mars: Envelope simulation in a ground based high-performance human centrifuge
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2018)
Ovo istraživanje ima za cilj da doprinese slanju prve ljudske posade na Mars. U radu je simulirana anvelopa leta na Marsa u centrifugi visokih performansi. Visoka G-opterećenja prilikom poletanja, iskustvo nulte i ...
Quantification of stress raiser influence on decrease of machine parts fatigue life
(Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad, 2012)
This paper displays the usage of Theory of Critical Distances (TCD) in the prediction of high-cycle fatigue behaviour in machine parts and systems. It is possible to gain real overview of stresses of machine parts by Finite ...
Potencijal subgeotermalnih vodnih resursa za šire energetsko iskorišćavanje - primer istočne Srbije / Prospects for wider energetic utilization of subgeothermal water resources: Eastern Serbia case study
(Univerzitet u Beogradu - Rudarsko-geološki fakultet, Beograd, 2011)
Intenzivno korišćenje fosilnih goriva širom sveta uzrok je ozbiljnih zagađenja prirode i utiče na globalno zagrevanje. Otuda je jedan od glavnih ciljeva energetske politike evropskih zemalja korišćenje efikasnije 'zelene' ...
Dimenzije strategije u industrijskim preduzećima Srbije / Dimensions of strategy in Serbian industrial enterprises
(Ekonomski institut, Beograd, 2011)
Predmet ovog rada je statistička ocena značajnih dimenzija strategije u domaćim industrijskim preduzećima, koja je sprovedena na uzorku od 111 preduzeća. U radu je, na osnovu preporuka relevantne literature, izvršeno ...
Fem model for calculation of hydro turbine shaft
(Univ Novi Sad, Fac Tech Sci, Adeko, Novi Sad, 2010)
This paper describes the real problem calculation of stress state of hydro turbine shaft with crack appearance on shaft-flange radii. Finite element method (FEM) is used for calculation of shaft stress state and shaft ...
Unapredenje industrijske bezbednosti kranskih kabina / Industrial safety improvement of crane cabins
(Institut za ispitivanje materijala, Beograd, 2015)
Cranes significantly contribute to efficient work progress but also have a great potential to cause large life and financial losses. Cranes today do not meet the needs of large proportion of operators, therefore making ...
Uticaj ljudskog faktora na rizik u rudniku površinskog kopa / Influence of the human factor on risks in an open-pit mine
(Institut za ispitivanje materijala, Beograd, 2015)
Today's turbulent business conditions are characterized by rapid technological development of the 'post-industrial' society. New technologies have caused the creation of new risks in complex techno-socio-ecological systems ...
Provera sigurnosti rada isparivača energetskog parnog kotla u TE 'Kostolac B' / Work verification of the energy steam boiler evaporator in the Power plant 'Kostolac B'
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2012)
U okviru Elektroprivrede Srbije 1991. godine puštena je u rad Termoelektrana 'Kostolac B' snage 2 × 350 MW. Na osnovu dosadašnjih ispitivanja cevnog sistema parnog kotla utvrđeno je da se on nalazi u 'lošem' stanju. Njegovi ...
Procena integriteta zavarenih cevi / Assessment of the integrity of welded pipes
(Inženjersko društvo za koroziju, Beograd, 2014)
Predmet rada je analiza integriteta zavarenih cevi izrađenih od čelika API J55 visokofrekventnim kontaktnim zavarivanjem (VF). Eksperimentalna ispitivanja mehaničkih osobina osnovnog materijala su izvršena na cevima povučenim ...
Shear strength testing of hardfaced samples using special tool on an universal testing machine
(Institut za ispitivanje materijala, Beograd, 2015)
Complex working conditions of forging dies are the most frequent causes of their damage, requiring suitable hard facing repair procedures. The method of determining the bond strength between the hardfaced layer and the ...