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Eksperimentalno određivanje dinamičke žilavosti loma KId, kod metalnih materijala visoke čvrstoće / Experimental determination of dynamic fracture toughness KId in metal materials with high strength
(Visoka tehnička škola strukovnih studija, Beograd, 2003)
U ovom radu su prikazane metode za određivanje dinamičke žilavosti loma, KId Metode dinamičkog J integrala, i ekvivalenta energije su eksperimentalno potvrđene ispitivanjem čelika Č 5432 i Č 4734. Ovaj rad predstavlja ...
Damage Level Estimate of API J55 Steel for Welded Seam Casing Pipes
(Croation Union of Mech. Engineers and Naval Architects, 2009)
The subject of this paper is investigation of the damage level of API J55 steel, used for manufacturing casing pipes by high frequency (HF) contact welding. The analysed pipe was withdrawn after about 70 000 hours of service ...
Measurement of strain using stereometry
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2009)
This paper presents measurement of strain using stereometry method. It describes the use of digital stereometry to measure microstrains on the surface. This can be achieved by comparison of the images of point distribution ...
Fin for Heat Exchanger
(United States Patent Office, 2008)
The invention relates to a fin for heat exchangers with at
least one louver arrangement in the region between associ-
ated tubes for the heat transfer from one medium to another
medium. The louver arrangement is provided ...
Heat Exchanger
(SAE International, Warrendale, Penssylvania, 2007)
Many of the various types of heat exchangers in automobiles
are used to protect the engine components
from overheating or to provide for passenger comfort.
For this purpose, a great deal of the combustion energy
needs ...
An Approach to the Optimization of a Thin-walled Z-beam
(Strojniski Vestnik/Journal of Mechanical Engineering, 2009)
One approach to the optimization of a thin-walled open section Z-beam subjected to bending and to the constrained torsion is considered. For given loads, material and geometrical characteristics the problem is reduced to ...
MKE model zupčanika sa kosim zupcima za analizu naponskog stanja i nelinearnu analizu kontakta / Finite element model for stress analysis and nonlinear contact analysis of helical gears
(Vojnotehnički institut, Beograd, 2009)
Određivanje naponskog i deformacionog stanja na bokovima i u podnožju zubaca jedan je od osnovnih zadataka u toku proračuna opterećenja i provere nosivosti zupčanika. U ovom radu opisan je postupak razvijanja modela konačnih ...
Uticaj otkaza zubaca na bezbednost mašina - ispitivanje i analiza / The effect of teeth failures on machine safety: Testing and analysis
(Institut za ispitivanje materijala, Beograd, 2007)
Odredbama Mašinske direktive 98/37/EC definisani su osnovni zahtevi koje moraju da ispune zupčasti prenosnici snage u pogledu zdravstvene i bezbednosne zaštite. U radu su opisani različiti oblici oštećenja i razaranja ...
Hydrogeothermal cascade heat pump – Economic and ecologic appropriacy
(European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ), 2009)
The article considers economy of exploiting heat from low-temperature geothermal sources for high-temperature heating of buildings using a heat pump. For the exploitation of low-temperature geothermal sources, a two stage ...
Quality analysis of ai-cu joint realized by friction welding
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2009)
This paper outlines the bases of the friction welding process, especially when it comes to friction welding of different materials. This was illustrated on an example of friction welding of aluminum and copper, which is ...