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Simulacije strujanja u maloj cevnoj turbini primenom dvojednačinskih modela turbulencije / Flow simulations in a small bulb turbine using two-equation turbulence models
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2014)
U radu su urađene numeričke simulacije strujanja u maloj cevnoj turbini primenom softvera Ansys CFX. Simulacije su izvedene primenom tri različita modela turbulencije koji su bazirani na Rejnoldsovom osrednjavanju ...
Improvement of cfd models of tunnel fire development based on experimental data
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2017)
This paper, dealing with the problems of mathematical description of the tunnel fire development process with the use of experimental data, outlines the procedure of correction of the existing and obtaining of an improved ...
Numerička simulacija multifaznog strujanja oko usisnih ploča ventilacionog mlina u funkciji produžetka preostalog radnog veka / Numerical simulation of multiphase flow around suction plates of ventilation mill in the function of extending its remaining working life
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2016)
Ovaj rad prestavlja mogućnost korišćenja rezltata numeričkih simulacija, za smanjenje habanja radnih delova ventilacionog mlina za mlevenje uglja u termoelektrani Kostolac B. Mogućnost revitalizacije usisnih ploča ventilacionog ...
Numeričko i analitičko određivanje performansi vetroturbina sa vertikalnom osom obrtanja / Numerical and analytical investigation of vertical axis wind turbine
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2013)
Većina istraživanja vezanih za vetroturbine su fokusirana na precizno određivanje njihove efikasnosti. U radu je istaknut napredak koji je ostvaren u razvoju aerodinamičkih modela za analizu vetroturbina sa vertikalnom ...
Application of different turbulence models for improving construction of small-scale boiler fired by solid fuel
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2017)
Due to the rapid progress in computer hardware and software, CFD became a powerful and effective tool for implementation turbulence modeling in defined combustion mathematical models in the complex boiler geometries. In ...
Višekriterijumske ograničene optimizacije kompozitnih lopatica vetroturbina sa vertikalnom osom obrtanja bazirane na konačno-elementnoj analizi i optimizaciji brojem čestica / Multi-objective constrained optimizations of VAWT composite blades based on FEM and PSO
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2019)
Vetroturbine sa vertikalnom osom obrtanja predstavljaju privlačno oruđe za iskorišćenje energije vetra, naročito pogodno za male potrošače ili nepristupačne terene. Iako su jednostavne geometrije (ovde su pretpostavljene ...
Design of optimal flow concentrator for vertical-axis wind turbines using computational fluid dynamics, artificial neural networks and genetic algorithm
(Sage Publications Ltd, London, 2021)
Wind energy extraction is one of the fastest developing engineering branches today. Number of installed wind turbines is constantly increasing. Appropriate solutions for urban environments are quiet, structurally simple ...
Experimental and numerical analysis of thermo-chemical erosion in gun steel
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2019)
Various factors of thermo-chemical erosion process in gun steel were analysed. The factors are mainly related to the thermal load of gun barrel inside surface, characteristics of barrel surface and chemical interactions ...
Comparative analysis of numerical computational techniques for determination of the wind turbine aerodynamic performances
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2021)
The purpose of this paper is to explore and define an adequate numerical setting for the computation of aerodynamic performances of wind turbines of various shapes and sizes, which offers the possibility of choosing a ...
Towards viable flow simulations of small-scale rotors and blade segments
(Beograd : Srpsko društvo za mehaniku, 2021)
The paper focuses on the possibilities of adequately simulating complex flow fields that appear around small-scale propellers of multicopter aircraft. Such unmanned air vehicles (UAVs) are steadily gaining popularity for ...