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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 ...
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 ...
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 ...
Comparison of different cfd software performances in the case of an incompressible air flow through a straight conical diffuser
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2017)
Numerical flow simulations have been carried out in order to analyze the possibilities of numerical prediction of a steady-state incompressible air flow through a conical diffuser named Azad diffuser. The spreading angle ...
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 ...
Optimal airfoil design and wing analysis for solar-powered high altitude platform station
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
The ability of flying continuously over prolonged periods of time has become target of numerous research studies performed in recent years in both the fields of civil aviation and unmanned drones. High altitude platform ...
Experimental and numerical investigation of thermal and flow conditions inside a large pharmaceutical storage after the ventilation system failure
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
Safe storage of pharmaceutical products is of great importance due to potential hazards for human health. The aim of this study was to assess the ability of phar-maceutical storage to recover design temperature during ...
Experimental and numerical research of the flow inside the control valves trim
(VINČA Institute of Nuclear Sciences, 2023)
In this paper are presented desing, testing and numerical analysis for two manufactured control valve trims. Valve trim is consisted of cage or dick stack, plug, stem and seat. Size from app. 15.88 mm (0.625 in) up to 101.6 ...