Search
Now showing items 31-40 of 566
Uticaj zaštitnog gasa na žilavost metala šava legure AlMg4.5Mn dobijenog postupkom zavarivanja cirkulacijom / The effect of shielding gas on the toughness of AlMg4.5Mn weld metals made by GMAW
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2011)
Analiziran je uticaj zaštitnog gasa, na žilavost metala šava aluminijumske legure AlMg4.5Mn dobijenog MIG/MAG postupkom zavarivanja. Za merenje žilavosti je korišćeno instrumentirano Šarpijevo klatno sa mogućnošću razdvajanja ...
Numerička simulacija faze uranjanja kod zavarivanja trenjem mešanjem / Numerical simulation of the plunge stage in friction stir welding
(Institut za ispitivanje materijala, Beograd, 2011)
U ovom radu je istražena faza uranjanja alata primenom numeričkog modeliranja. Trodimenzionalni model konačnih elemenata (FEM) faze uranjanja je razvijen primenom softvera ABAQUS radi proučavanja termomehaničkih procesa ...
Risk Analysis by Key-coefficient Assessment - Public Lighting Project Example
(Technics Technologies Education Management, 2011)
Project risks analysis model RAKA (Risk. Analysis by Key-factors Assessment) was created primarily for the purposes of industrial product development in small enterprises which operate in an environment of economic and ...
Inovations, RD Activities, Education of Engineers and Catching-Up Process in Serbia
(Technics Technologies Education Management, 2011)
In this paper, our interest will be focused on the interconnectedness between the know-how, offered by higher education, and the concept of innovation, understood in the broadest technological and social sense, in the catch ...
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' ...
Pregled stanja vetroenergetskih tehnologija i tržišta vetroturbina u svetu / Review of the current wind energy technologies and global market
(Institut za istraživanja i projektovanja u privredi, Beograd, 2011)
U radu je dat pregled modernih vetroenergetskih tehnologija i trendova
razvoja tržišta. Ukratko su opisani osnovni principi koverzije energije vetra u električnu energiju sa kratkim osvrtom na moderne konstrukcije podsklopova ...
Numerical analysis of constraint effect on ductile tearing in strength mismatched welded cct specimens using micromechanical approach
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2011)
In this paper, constraint effect on ductile fracture initiation and propagation has been studied. Three-dimensional finite element analyses of mismatched welded joints made of high strength steel, have been performed for ...
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 ...
Increasing a large petrochemical company efficiency by improvement of decision making process
(Savez hemijskih inženjera, Beograd, 2010)
The paper shows the results of a research conducted in a large petrochemical company, in a state under transition, with the aim to "shed light" on the decision making process from the aspect of personal characteristics of ...
Prediction and prevention of boiler tubing systems erosion in thermal plant
(Visoka tehnička škola strukovnih studija, Beograd, 2010)
The problem of boiler tube erosion is a very complex problem and present in practically all fossil fuel power plants burning low heating value coals irrespective of their particular design and operating characteristics. ...