Browsing Сериальные издания by Title

Now showing items 338-357 of 7869

    • Structural and Design Specifics of Space Grid Systems 

      Gasii, G. М. (БНТУ, 2017)
      The aim of the study is to identify main trends in the development of space grid structures. In order to reach the purpose it is necessary to conduct a review of the known structural concepts, nodal connections and specifics of the space grid structures and to make conclusions on feasibility improvement of the considered structural concepts that make it possible to develop new ...
      2017-11-26

    • Structural Modification of New Formations in Cement Matrix Using Carbon Nanotube Dispersions and Nanosilica 

      Khroustalev, B. M.; Leonovich, S. N.; Yakovlev, G. I.; Polianskich, I. S.; Lahayne, O.; Eberhardsteiner, J.; Skripkiunas, G.; Pudov, I. A.; Karpova, E. A. (БНТУ, 2017)
      Complex nanodispersed systems with multi-walled carbon nanotubes and nanodispersed silica have a significant impact on the processes of hydration, hardening and strength gain of construction composites predetermining their durability. While using a scanning electron microscope with an attachment for X-ray microanalysis and a device for infrared spectral analysis investigations ...
      2017-04-03

    • A structure approach for a photovoltaic station control based on adaptive fuzzy agent 

      Elzein, Imad A.; Petrenko, Y. N. (БНТУ, 2017)
      The solar energy is directly converted into electrical energy by solar PV module. Each type of PV module has its own specific characteristic corresponding to the surrounding condition such as irradiation, and temperature and this makes the tracking of maximum power point (MPP) a complicated problem. To overcome this problem, many maximum power point tracking (MPPT) control ...
      2017-11-02

    • Structure development and simulation of plug-in hybrid electric vehicle 

      Petrenko, Y. N.; Marozka, Aleh (БНТУ, 2013)
      Electric-drive vehicles (EDVs) have gained attention, especially in the context of growing concerns about global warming and energy security aspects associated with road transport. The main characteristic of EDVs is that the torque is supplied to the wheels by an electric motor that is powered either solely by a battery or in combination with an internal combustion engine (ICE). ...
      2014-03-19

    • Structure Formation and Properties of Concrete Based on Organic Hydraulic Binders 

      Khroustalev, B. M.; Veranko, U. A.; Zankavich, V. V.; Aliakseyeu, Yu. G.; Yue, Xuejun; Shang, Bo; Jicun, Shi (БНТУ, 2020)
      The article addresses the issues of structure formation of road composite materials containing hydraulic (рortland cement) and organic (bitumen) binders. It has been determined that organic and hydraulic binders, being thermodynamically incompatible, are capable of interaction and complement each other. Structure formation processes are associated with interphase transition layers ...
      2020-06-09

    • Study of Parametric Interactions in the Nuclear Reactor Control with Feedback 

      Opiatiuk, V. V.; Kozlov, I. L.; Skalozubov, V. I.; Ostapenko, I. A. (БНТУ, 2021)
      This article considers the principal theoretical possibility of regulating a nuclear power reactor under changing operating modes conditions when external periodic disturbances take place in conditions of changing the operating mode. By the external periodic perturbation a downward change in the conditions of the heat sink was meant. The magnitude of the changes was preliminarily ...
      2021-12-14

    • Study of Proportional Pressure Modulator on the Basis of Electromagnetic-Type Linear Motor 

      Zalohin, M. Yu.; Liubarskyi, B. A.; Schuklinov, S. N.; Mychalevych, M. G.; Leontiev, D. N. (БНТУ, 2018)
      The paper deals with a workflow of a proportional pressure modulator equipped with a linear electric motor of electromagnetic type (LEMET). A schematic diagram consisting of a power supply and control system has been constructed to determine the performance of LEMET. The power supply system is a self-contained half-bridge inverter. The converter input is supplied with 12 V DC ...
      2018-10-11

    • Study of Vertically Oriented Solar Battery by Exposure of Concentrated Solar Radiation 

      Esman, A. K.; Zykov, G. L.; Potachits, V. A.; Kuleshov, V. K. (БНТУ, 2023)
      Solar power is one of the largest sectors of the global electric and heat power industry. In search of new energy sources, scientists and engineers around the world are increasingly turning their attention to solar batteries, which can be a suitable replacement for non-renewable energy sources. Vertically oriented solar batteries will generate electricity throughout the daylight ...
      2023-10-20

    • A Study the relationship between composition, structure and properties of ductile iron in continuous casting 

      Melnikov, A. P.; Filipenka, Y. V. (БНТУ, 2011)
      The developed empirical relationships have practical significance and used for determine the structural composition of iron on known data of express-analysis and for optimization technical process of obtaining castings of ductile iron at Public corporation «Gomel foundry «TSENTROLIT».
      2014-08-15

    • Surface Eddy Current Probes: Excitation Systems of the Optimal Electromagnetic Field (Review) 

      Halchenko, V. Ya.; Trembovetskaya, R. V.; Tychkov, V. V. (БНТУ, 2020)
      Development of technical tools with improved metrological and operational characteristics is the actual problem of the eddy current testing. Ensuring the optimal distribution of the electromagnetic excitation field in the testing zone carries out confident detection of the defects and determination of their geometrical parameters by means of eddy current testing. The purpose of ...
      2020-06-29

    • Sustainable Energy Transitions: Overcoming Negative Externalities 

      Pysmenna, U. Yе.; Trypolska, G. S. (БНТУ, 2020)
      Nowadays the world energy system faces numerous transitions and shifts of the existing socio-technical regimes towards higher sustainability. Along with it, the sustainable transitions are often being postponed, slowed down or rejected to avoid negative externalities that could threaten the system stability. In this study, we aim to reach the deeper understanding of the externalities ...
      2020-08-06

    • Synthesis of parallel adders from if-decision diagrams 

      Prihozhy, A. A. (БНТУ, 2020)
      Addition is one of the timing critical operations in most of modern processing units. For decades, extensive research has been done devoted to designing higher speed and less complex adder architectures, and to developing advanced adder implementation technologies. Decision diagrams are a promising approach to the efficient many-bit adder design. Since traditional binary decision ...
      2020-08-19

    • Synthetic Aperture Orbital Telescope for Earth Remote Sensing Equipment 

      Kozhevnikov, D. A.; Fiodоrtsev, R. V.; Silie, A. R. (БНТУ, 2018)
      The object of the research is the development of the method of aperture synthesis of a mirror system designed for remote sensing of the Earth. The analysis of existing methods for the formation of the synthesized aperture was carried out, their accuracy, cost, and mass-dimensional characteristics were evaluated. A new version of the optical system of the synthetic aperture mirror ...
      2019-01-02

    • System Eliminating Emergency Discharges in Industrial Facilities Waste Waters Using Relative Signal Description 

      Alekseev, V. A.; Yuran, S. I.; Usoltsev, V. P.; Shulmin, D. N. (БНТУ, 2022)
      Peak emergency discharges of harmful substances to the industrial companies waste waters that normally form coagulates over time present a serious environmental problem. These coagulates can enter natural water bodies during the wastewater discharge. Thus, detecting these coagulates in real-time is a relevant problem. To solve this problem, the authors suggest building an automated ...
      2022-07-06

    • System for Assessing the Effectiveness of Temporary Blinding Devices 

      Terekhova, M.; Rudikov, S.; Shumski, A.; Shkadarevich, A. (БНТУ, 2020)
      The development of non-lethal weapons and, in particular, temporary blinding devices is associated with problem of choosing boundaries of effectiveness. The aim of present work is determination of criteria for estimation of the effects of visual jamming devices action on the naked eye. The present-day scoring system used for effectiveness estimation of laser temporary blinding ...
      2020-06-29

    • System of Laser Monitoring of Water Pollution with Application of Relative Description of Signal Shape 

      Alekseev, V. A.; Yuran, S. I.; Usoltsev, V. P.; Shulmin, D. N. (БНТУ, 2020)
      As a rule, the wastewater treatment system is not designed to filter substances formed, as a result of beyond design basis accident. The nature of the beyond design basis accident is associated with the shortterm appearance of a clot of these substances in wastewater, determined by the volume of the substance storage tank. Therefore, a rational approach is to divert this portion ...
      2020-06-30

    • Tensor Calculus in Digital Colorimetry 

      Saukova, Y.; Hundzina, M. (БНТУ, 2022)
      Any object can have many implementations in the form of digital images and any digital image can be processed many times increasing or decreasing accuracy and reliability. Digital colorimetry faces the need to work out issues of ensuring accuracy, metrological traceability and reliability. The purpose of this work was to generalize approaches to the description of multidimensional ...
      2022-11-11

    • Tests of Impregnation Speed of Electrotechnical Pressboard with Insulating Oil 

      Kozak, C. (БНТУ, 2020)
      The paper presents a new test stand for ivestigating the rate of penetration of transformer oil through electrotechnical pressboard. The stand consists of a pipe, to the lower end of which is glued a pressboard plate. The pipe is filled with insulating oil. A mirror is placed under the plate, which directs its image to the lens of the camera, which takes a series of photographs ...
      2020-06-30

    • The Analysis of Available Data on Energy Efficiency of Electric Vehicles to be Used for Eco-Driving Project Development 

      Maljkovic, M.; Stamenkovic, D.; Blagojevic, I.; Popovic, V. (БНТУ, 2019)
      The goal of this paper is to analyse the collected data on energy efficiency of electric vehicles from researches done by other authors and also to summarise all the factors affecting it. The majority of data available are obtained through simulations – therefore the emphasis in this paper will be placed on experimentally acquired data. The results of the analysis will be used ...
      2019-12-06

    • The Dynamic Behaviour of Capacitive Humidity Sensors 

      Majewski, J. (БНТУ, 2020)
      The sensor design features and the sensing material properties which can influence the response time of the polymer-based capacitive humidity sensors are shortly discussed. The ways of specifying the dynamic properties of capacitive humidity sensors in technical data sheets by the leading companies on the market are briefly characterized and discussed. The schematic view and ...
      2020-03-17