Prikazano Главна колекција / Main Collection za datum izdavanja
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Effect of temperature and exploitation time on tensile properties and plain strain fracture toughness, KIc, in a welded joint
(Procedia Structural Integrity, 2018)Effect of temperature and exploitation time on resistance to brittle fracture of welded joint constituents of new and 40 years exploited low-alloyed Cr-Mo steel A-387 Gr. B has been analysed. The plane strain fracture ... -
Innovative environmentally friendly technology for copper(II) hydroxide production
(Hemijska Industrija, 2018)The innovative laboratory procedure for the synthesis of copper(II) hydroxide in the form of the aqueous suspension was developed. The reaction mechanism consists of the reaction between copper(II) sulphate pentahydrate ... -
Thermal and exergetic investigation of a solar dish collector operating with mono and hybrid nanofluids
(Thermal Science, 2018)The use of solar dish thermal collectors is a promising choice for designing sustainable energy systems. The use of nanofluids is a new way for enhancing the thermal performance of solar collectors because of their improved ... -
Techno-economic optimization of configuration and capacity of a polygeneration system for the energy demands of a public swimming pool building
(Thermal Science, 2018)A polygeneration system is an energy system capable of providing multiple energy outputs to meet local demands, by application of high process integration. In this paper, optimal configuration and capacity of a polygeneration ... -
Simulation of chemical accidents with acetylene in 'Messer Tehnogas' Kraljevo plant by 'ALOHA' software program
(The University Thought - Publication in Natural Sciences, 2018)Chemical plants are generally associated with potentially high risk of chemical accidents. During chemical accidents hazardous substances jeopardize human lives, destroy material assests and degrade natural environment. ... -
Economy management with a focus to the productivity
(Mining and Metallurgy Engineering Bor, 2018)Knowing the essence of productivity and its importance for the economy of the company, but also for the national economy is a prerequisite for successful management in these spheres, as well as the implementation of ... -
Management of total entrepreneurial activity by adaptive neuro-fuzzy technique
(Journal of Production Engineering,, 2018)Adaptive neuro fuzzy network or ANFIS could be used for different aspects of prediction during productive development. In this study ANFIS network was appliced for prediction of bending and thickness of shaped surface ... -
Proposal of 2D finite element model for square pillar stability analysis
(UNDERGROUND MINING ENGINEERING, 2018)It is suggested that 2D finite element method models are used for square pillar stability analysis. Equivalent width of strip pillar that is represented by FE models is determined from tributary area method by introducing ... -
Analysis of swqi index of the river Ibar (Serbia)
(Fresenius Environmental Bulletin, 2018)The characterization of water quality is based on data from five hydrological measuring stations along the Ibar River flow through Serbia for the period from 2007 to 2013.The paper presents a new approach to surface water ... -
Poređenje uticaja konstantne i promenljive bitske brzine na broj tv kanala kod Dvb-t2 standarda
(SINTEZA, 2018)U ovom radu je izvršena analiza uticaja modulacionih šema i kodnog količnika na broj TV kanala u jednom UHF kanalu primenom DVB-T2 standarda. Najpre je korišćenjem DVB kalkulatora određena bitska brzina jednog UHF kanala ... -
Image Segmentation By Sobel Edge Detection Algorithm - Mosaic Method
(SINTEZA, 2018)Segmentation is one of the latest directions of digital imaging development, presented by partial segments which are parts of the same image. The currently used algorithms are rare and far from ideal. Depending on the ... -
EFFECT OF ILLUMINATION IN CHROMA KEY EFFECT IN THE REALIZATION OF VIRTUAL TELEVISION STUDIO
(SINTEZA, 2018)This paper analyzes the effect of front and back light on the Chroma key effect in a virtual TV studio. The model of the system in which the experiment was realized is given. Different intensity of front and back light ... -
Analysis and simulation of bioaccumulation of selected metals from contaminated soil
(Hemijska industrija, 2018)Cilj ovog rada je analiza i simulacija procesa bioakumulacije jona Pb2+, Cd2+ i Zn2+ iz aluvijalnog zemljišta, praćenjem njihove koncentracije pre i nakon zasada biljaka. Simulacijom procesa bioakumulacije razvijen je i ... -
Theoretical Study of Tool Holder Self-excited Oscillation in Turning Processes Using a Nonlinear Model
(International Journal of Acoustics and Vibration, 2018)In this paper, by observing a system which is composed from a workpiece and a tool holder, a dynamic and a mathematical nonlinear model is acquired. These models can be used as a theoretical foundation for research ... -
Ultrasound-assisted extraction of sunflower oil from the cake after sunflower seed pressing
(Journal of Agricultural Sciences, 2018)The influence of ultrasound application on the extraction (UE) of the cake after sunflower seed pressing was studied. Three different solvents were used for extraction in the Soxhlet apparatus: n-hexane, petroleum ether ... -
Optimising the thermal environment and the ampacity of underground power cables using the gravitational search algorithm
(The Institution of Engineering and Technology, 2018-01)This study takes into consideration a problem that commonly occurs at the design stage of underground cable lines and that relates to the manner of determining the optimal values for dimensions of cable trench and bedding, ... -
Modelling of hydrochemical and hydromechanical parameters’ synergism in the process of solid deposit creation in geothermal and other hard waters
(Journal of the Serbian Chemical Society, 2018-01)This paper presents the experimental research results, regarding the effect of hydromechanical parameters and based on the relative reduction of the starting hardness of geothermal water of Sijarinska Banja and Niška Banja ... -
Object-oriented modeling approach of universal education software
(Computer Applications in Engineering Education, 2018-01)Since learning process could be very challenging task for scholars in this article an attempt to analyze and model a universal education software (UES) was made. The software was modeled from beginning of the life cycle ... -
Characteristics of a doubly-fed asynchronous generator applied in wind turbines
(Ekonomika Poljoprivrede, 2018-01)A mathematical model of a doubly-fed asynchronous generator is defined in the paper, using spatial vector theory, in relation to the reference axis associated with the stator. Expressions for characteristic quantities ... -
Prediction of visitors' thermal comfort in open urban areas
(Zastita Materijala, 2018-01)Thermal sensation of visitors could be important indicator for urban spaces based on physiological, psychological and behavioural conditions of the visitors. Therefore in this article thermal comfort ...