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Efikasnost privatizovanih preduzeća na području Beograda
(Društvo ekonomista Beograda, Beograd, 2010)
Koristeći pristup kroz totalnu faktorsku produktivnost (TFP) na panel uzorku od 237 privatnih preduzeća iz 33 privredna sektora za period 2005-2007 utvrđeno je da su firme sa većinskim stranim vlasništvom imale za 43%, ...
Internet aplikacija za upravljanje projektima u industrijskim sistemima / Internet application for project management in industrial systems
(Institut za istraživanja i projektovanja u privredi, Beograd, 2010)
U radu je dat pregled razvoja novog softvera za upravljanje projektima, namenjenog prvenstveno korišćenju u industriji. Osnovni cilj ovog rešenja je da olakša i pojednostavi menadžment informacija i dokumenata u svakodnevnoj ...
Energy efficiency of residential buildings in Serbia
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2010)
In this paper, presented is the stale-of-the-art of energy Efficiency of residential buildings in Serbia. Special attention is paid to energy efficiency in already existing buildings. The average energy consumption in ...
Austempering study of unalloyed and alloyed ductile irons
(MANEY PUBLISHING, LEEDS, 2010)
Austempered ductile iron (ADI) proved to be an advanced material as it possesses remarkable combination of high strength, ductility and toughness with good wear resistance and machinability. These properties can be achieved ...
Predviđanje veka čeličnog žičanog užeta u eksploataciji / Service life prediction of running steel wire ropes
(Institut za ispitivanje materijala, Beograd, 2010)
Vrlo visoka čvrstoća omogućava žičanom užetu da prenese velike zatezne sile i da se kreće po koturima relativno malog prečnika. Žice od čelika vrlo visoke čvrstoće su postojale više od sto godina pre nego što su patentirane, ...
Mock-up testing facilities and qualification strategy for EU ITER TBMs
(Elsevier Science Sa, Lausanne, 2010)
European test blanket modules (TBM) for both European blanket concepts, namely the Helium Cooled Lithium Lead (HCLL) and the Helium Cooled Pebble Bed (HCPB), and their auxiliary systems have been designed in the last years. ...
Theoretical-experimental determining of cooling time (t8/5) in hard facing of steels for forging dies
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2010)
This paper investigates the accuracy of analytical, empirical, and numerical expressions, i. e. the most favourable methods for calculating the cooling time from 800 to 500°C (t8/5). The degree of accuracy of time t8/5 is ...
Sensitivity Equation for Transient Three-Dimensional Heat Conduction Problem with Moving Heat Source
(Amer Inst Physics, Melville, 2010)
Sensitivity analysis of transient three-dimensional heat conduction in a plate during process of welding is performed. Crank-Nicolson method with multi-step Douglas-Gunn Alternating Direction Implicit (AD!) method is used ...
Energetic analysis of hard facing and weld cladding of an air powered drop hammer damaged ram
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2010)
This paper studies problems of hard facing of damaged and initially cracked mechanical engineering heavy parts of complex geometry such as large rams of air powered drop hammers. During long-term exploitation, these parts ...
Fatigue Life Estimation of Notched Structural Components
(Assoc Mechanical Engineers Technicians Slovenia, Ljubljana, 2010)
This work considers the analytical/numerical methods and procedures for obtaining the stress intensity factors and for predicting the fatigue crack growth life of notched structural components. Many efforts have been made ...