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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 ...
Prediction of calcination and sulphation along the sorbent particle trajectories for desulphurisation in coal-fired furnace
(Inderscience Enterprises Ltd, Geneva, 2020)
The furnace sorbent injection is analysed numerically, focusing on its behaviour, in order to estimate CaCO3 sorbent utilisation. Comprehensive presentation of numerical results and profound analysis are provided to better ...
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 ...
Numerical evaluation of aerodynamic loads and performances of vertical-axis wind turbine rotor
(Belgrade : Serbian Society of Mechanics, 2019)
Three-dimensional, unsteady, turbulent, incompressible flow simulations of isolated vertical-axis
wind turbine (VAWT) high-solidity rotor consisting of three straight blades at seven different
operational regimes have ...
An Overview of OpenFOAM CFD Software
(University of Belgrade, Faculty of Mechanical Engineering, 2011)
Computational fluid dynamics (CFD) is nowadays a vital part of engineering practice and research in fluid mechanics.
Application areas of CFD are vast - from fluid flows in various engineering devices, to flow of air in ...
Optimal propeller blade design, computation, manufacturing and experimental testing
(Emerald Group Publishing Ltd, Bingley, 2021)
Purpose Modern unmanned air vehicles (UAVs) are usually equipped with rotors connected to electric motors that enable them to hover and fly in all directions. The purpose of the paper is to design optimal composite rotor ...
LOCAL THERMAL COMFORT INDICES IMPACT ON PRODUCTIVITY LOSS IN CLASSROOMS
(Society of Thermal Engineers of Serbia, 2016)
The paper deals with a comprehensive CFD analysis of local
thermal comfort indices in occupied classroom during the
winter semester and the impact on students’ productivity loss.
The investigation is done using CFD ...
Experimental and numerical methods for concept design and flow transition prediction on the example of the bionic high-speed train
(Springer, 2021)
In the times of significant development of high-speed train transportation and taking the primacy over the others, one of the major designing tasks is to predict accurately and fast the vehicle’s main performances, especially ...
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 ...