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Effects of operation temperature on thermal expansion and main parameters of radial ball bearings
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2015)
The research of influence of operation temperature on the thermal expansion and main parameters of radial ball bearings is presented in this paper. The main bearing parameters are identified in accordance with the increasing ...
Stability of electric characteristics of solar cells for continuous power supply
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2015)
This paper investigates the output characteristics of photovoltaic solar cells working in hostile working conditions. Examined cells, produced by different innovative procedures, are available in the market. The goal was ...
Analysis of causes of degradation of parent material and weld metal of breeches pipe at hydro power plant 'Perućica'
(Institut za ispitivanje materijala, Beograd, 2015)
Presented are results of non-destructive tests performed on the parent material and welded joints of structural parts of a breeches pipe (collar and anchor), and results of destructive tests performed on the parent material ...
CFD modeliranje nadzvučne vazdušne struje generisane 2D mlaznikom sa preprekom i bez prepreke na izlazu / CFD modeling of supersonic airflow generated by 2D nozzle with and without an obstacle at the exit section
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2015)
Modeliranje složenih nadzvučnih strujnih polja korišćenjem računara predstavlja jedan od najvećih izazova u oblasti CFD analiza. U radu su predstavljeni prvi koraci u numeričkoj analizi takvog strujanja, generisanog ...
Micro-Cutting Mechanisms in Silicon Nitride Ceramics Silinit R Grinding
(Chinese Mechanical Engineering Society, 2015)
The paper contains an experimental study of micro-cutting intended to help the optimization of the grinding process of the silicon nitride ceramic Silinit R (Si3N4 - Al2O3 - AIN - TiN). The investigations were carried out ...
Mobilizing urban neighbourhoods: Artivism, identity, and cultural sustainability
(Taylor and Francis Inc., 2015)
Crack resistance of aluminium alloy friction stir welded joint
(Institut za ispitivanje materijala, Beograd, 2015)
Charpy testing is conducted on a high-speed data acquisition instrument, using instrumented pendulum to separate energies for crack initiation and propagation. The J-R curves are used to determine JIc, as the measure of ...
Failure resistance of drilling rig casing pipes with an axial crack
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
Working conditions of casing pipes in drilling rigs can significantly influence the initiation and development of damage in the material, and therefore also the safe service of the entire system. In this work, an integrity ...
Free vibration of structures composed of rigid bodies and elastic beam segments
(Academic Press Ltd- Elsevier Science Ltd, London, 2015)
Free vibration of structures composed of rigid bodies and elastic beam segments is considered, assuming that the mass centers of rigid bodies are not located on the neutral axes of undeformed elastic beam segments. It is ...
Bond strength of restorative materials to hydroxyapatite inserts and dimensional changes of insert-containing restorations during polymerization
(Elsevier Sci Ltd, Oxford, 2015)
Objective. To determine the shear bond strength (SBS) between synthetic controlled porous hydroxyapatite (HAP) inserts and restorative materials and dimensional changes of insert-containing restorations during curing. ...