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Experimental studies of wood chips charactristics influence on boiler performance and pollutant emissions
(Thermal Science, 2023)
Wood chips are often used as solid fuel in modern biomass boilers. Experiments were conducted on 22 boilers located in Serbia burning wood chips as fuel. The influence of wood chips characteristics is analyzed in relation ...
Assessment of synergistic effect on performing the co-pyrolysis process of coal and waste blends based on thermal analysis
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
The preliminary thermogravimetric studies of co-pyrolyzed low rank coals (lignites Kostolac and Kolubara) with waste materials (spent coffee ground and waste rubber granulate) in a form of blends have been performed. Thermal ...
Sintering temperature influence on grains function distribution by neural network application
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
Artificial neural networks application in science and techonology begun during 20th century. This biophysical and biomimetic phenomena is based on extensive research which have led to understanding how neural as a living ...
Validation of numerical models for prediction of pressure drop in high capacity long distance lignite fly ash pneumatic conveying
(Beograd : Institut za nuklearne nauke Vinča, 2023)
This paper will validate two basic concepts of numerical models for prediction of
pressure change along the transport pipeline in the case of long distance and
high capacity lignite ash pneumatic conveying. Application ...
Hybrid artificial intelligence model for prediction of heating energy use
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
Currently, in the building sector there is an increase in energy use due to the increased demand for indoor thermal comfort. Proper energy planning based on a real measurement data is a necessity. In this study we developed ...
Initial development of the hybrid semielliptical-dolphin airfoil
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
Iosif Taposu has formulated a mathematical model and generated a family of air-foils whose geometry resembles the dolphin shape. These airfoils are characterized by a sharp leading edge and experiments have proven that ...
Experimental and numerical stress and strain analysis of the boiler reversing chamber tube plate
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
Boilers are one of the most used units for both heat generation plants and industry systems. Their operation is subjected to different working loads and maintenance requirements. Exploitation experience points out critical ...
Thermo-mechanical analysis of linear welding stage in friction stir welding influence of welding parameters
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
The influence of friction stir welding parameters on thermo-mechanical behav-ior of the material during welding is analyzed. An aluminum alloy is considered (Al 2024 T351), and different rotating and welding speeds are ...
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 ...
Two-component propellant grain for rocket motor combustion analysis and geometric optimization
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2022)
The paper considers utilization of rocket motor propellant grains that consist of two propellants. The idea is to achieve approximately neutral burning using an outer surface inhibited cylindrical shape and complex contact ...