Претраживање
Приказ резултата 1-10 од 20
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 ...
Influence of multiple defects in welded joints subjected to fatigue loading according to sist en iso 5817: 2014
(Institut za ispitivanje materijala, Beograd, 2018)
Structural integrity of pressure vessels is of great importance in ensuring their safe exploitation. Due to this, a number of standards are developed in order to define the criteria according to which materials, technologies ...
Mihailo petrovic's work on development of military structures and equipment
(Institut za ispitivanje materijala, Beograd, 2018)
Analysed are the developments of military equipment and the impact of Mihailo Petrovic's inventions on them. Great contribution from the works of our scientists and inventors to the development of world science in the late ...
Istraživanje mogućnosti primene lasera u čišćenju arheoloških metalnih predmeta / Laser cleaning of the archaeological metal sample from the Danube
(Inženjersko društvo za koroziju, Beograd, 2018)
U radu su prikazani rezultati laserskog čišćenja korozivnih i drugih naslaga na metalnom arheološkom predmetu koji je nađen u Dunavu. Korišćen je Nd:YAG laser, energije do 750mJ i talasne dužine λ=1064nm i 532nm. Efikasnost ...
Risk analysis in the case of air storage tank failure at rhpp bajina basta
(Institut za ispitivanje materijala, Beograd, 2018)
The paper presents the risk analysis of an air tank failure at RHPP Bajina Basta. The applied procedure involves the determination of the risk matrix, i.e. the combined probability (frequency) of events and consequences ...
Research on scholarship holders who studied abroad and returned to Serbia
(Univerzitet u Beogradu - Fakultet organizacionih nauka, Beograd, 2018)
Knowledge has become the most valuable resource of the new era and the resource of the future. The intention of this study is to improve knowledge about the problem of migration of educated people from Serbia from the ...
Determination of Residual Fatigue Life of Welded Structures at Bucket-Wheel Excavators through the Use of Fracture Mechanics
(Elsevier Science Bv, Amsterdam, 2018)
This paper presents a methodological approach for the assessment of service life of vital welded structures of a bucket-wheel excavator Sch Rs 650/5x24 ('Thyssen Krupp', Germany) boom, subjected to cyclic loading with a ...
Integrity assessment of turbine flat cover pipe
(Institut za ispitivanje materijala, Beograd, 2018)
The turbine flat cover pipe (dimension phi 219.1x12.7 mm, and material STPG-38) is tested and cracks are found. Determination of the required wall thickness for a pipe exposed to internal pressure is done according to EN ...
Pregled literature iz oblasti skladišnih sistema baziranih na šatl tehnologiji / A survey of literature on shuttle based storage and retrieval systems
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2018)
Prethodna decenija donela je pravi procvat u oblasti automatskih skladišnih sistema (SBS/RS) baziranih na šatl tehnologiji u mnogim industrijama. Njihova superiornost u odnosu na 'mini-load' automatske skladišne sisteme ...
Effect of plasma hardfacing and carbides presence on the occurrence of cracks and microcracks
(Institut za ispitivanje materijala, Beograd, 2018)
Presented is the effect of plasma hardfacing (or just hardfacing) and carbides presence on the occurrence of cracks and microcracks in the welded layer. The reasons behind this phenomenon are analysed and explained. In ...