Browsing Сериальные издания by Title

Now showing items 314-333 of 7861

    • Segregation of solute elements in crucible during die casting 

      Кеun, Yong Sohn; Kang, Min Cheol; Kyung, Hyun Kim (БНТУ, 2005)
      Кеun, Yong Sohn. Segregation of solute elements in crucible during die casting / Yong Sohn Кеun // Литье и металлургия. - 2005. – № 3 (35). - С. 58 - 61.
      2016-04-13

    • Series of Photovoltaic Converters Based on Semiconductors with Intrinsic Photoconductivity 

      Vorobey, R. I.; Gusev, O. K.; Zharin, A. L.; Pantsialeyeu, K. U.; Svistun, A. I.; Tyavlovsky, A. K.; Tyavlovsky, K. L.; Shadurskaya, L. I. (БНТУ, 2021)
      One of the ways to solve multiple problems of optical diagnostics is to use photovoltaic converters based on semiconductors with intrinsic photoconductivity slightly doped with deep impurities which form several energy levels with different charge states within the semiconductor′s bandgap. Peculiarities of physical processes of recharging these levels make it possible to construct ...
      2021-07-07

    • Shape and Measurement Monitoring of Inrush Current Characteristics of a Battery-Capacitive Energy Storage Device with Two-Channel Digital Oscilloscope 

      Vasilevich, V. P.; Zbyshinskaya, M. Y. (БНТУ, 2021)
      The main reason of voltage instability in stand-alone power supply systems is the electric drive motors inrush current, which are usually higher than their nominal value. The most reasonable way to solve this problem is using capacitive energy storage. The purpose of research is shape and measurement monitoring of battery-capacitive energy storage device inrush current characteristics. ...
      2021-12-22

    • Signal Pre-Selection for Monitoring and Prediction of Vehicle Powertrain Component Aging 

      Udo Sass, A.; Esatbeyoglu, E.; Iwwerks, T. (БНТУ, 2019)
      Predictive maintenance has become important for avoiding unplanned downtime of modern vehicles. With increasing functionality the exchanged data between Electronic Control Units (ECU) grows simultaneously rapidly. A large number of in-vehicle signals are provided for monitoring an aging process. Various components of a vehicle age due to their usage. This component aging is only ...
      2019-12-06

    • Simplified method of calorimetric measurements of background loss in crystals 

      Savitski, V. G.; Kemp, A. (БНТУ, 2012)
      We report on the measurements of absorption coefficient of the synthetic diamond crystal using an adapted form of laser calorimetry technique at wavelengths of 1064, 640, 532, 452 and 364 nm. The absorption coefficient was found to increase exponentially from 0,03 cm-1 at 1064 nm to 0,7 cm-1 at 364 nm.
      2013-02-14

    • Simulation Model for Drivability Assessment and Optimization of Hybrid Drive Trains 

      Domijanic, M.; Hirz, M. (БНТУ, 2021)
      The growing electrification of vehicle drive trains is increasing their complexity significantly. The interactions between the different drive train components should not be noticed negatively by the occupants, which is considered as good drivability and thus contributes to increasing customer acceptance. Today’s development processes of hybrid- and electric driven cars consider ...
      2021-02-04

    • Simulation of cathode surface sputtering by ions and fast atoms in Townsend discharge in argon-mercury mixture with temperature-dependent composition 

      Bondarenko, G. G.; Kristya, V. I.; Savichkin, D. O.; Żukowski, P. V. (БНТУ, 2018)
      The mixture of argon and mercury vapor is used as the background gas in different types of gas discharge illuminating lamps. The aim of this work was development of a model, describing transport of electrons, ions and fast atoms in the one-dimensional low-current gas discharge in argon-mercury mixture, and determination of the dependence of their contributions to the cathode ...
      2018-09-18

    • Simulation of direct mapped, k-way and fully associative cache on all pairs shortest paths algorithms 

      Prihozhy, A. A. (БНТУ, 2019)
      Caches are intermediate level between fast CPU and slow main memory. It aims to store copies of frequently used data and to reduce the access time to the main memory. Caches are capable of exploiting temporal and spatial localities during program execution. When the processor accesses memory, the cache behavior depends on if the data is in cache: a cache hit occurs if it is, and, ...
      2020-01-09

    • Simulation of Photovoltaic Thermoelectric Battery Characteristics 

      Esman, A. K.; Zykov, G. L.; Potachits, V. A.; Kuleshov, V. K. (БНТУ, 2021)
      Solar radiation is an environmentally friendly and affordable energy source with high release of energy. The use of a photovoltaic thermoelectric battery makes it possible to increase the efficiency of converting solar and thermal radiation into electrical energy, both on serene and cloudy days. An original battery structure with photovoltaic and thermoelectric converters is ...
      2021-06-23

    • Simulation of Tandem Thin-Film Solar Cell on the Basis of CuInSe2 

      Esman, A. K.; Kuleshov, V. K.; Potachits, V. A.; Zykov, G. L. (БНТУ, 2018)
      CuInSe2 thin-film solar cells are promising materials for photovoltaic devices. One of the main tasks of researchers is to find ways to increase the solar cells efficiency. In this paper we propose an original structure of a thin-film solar cell based on a tandem connection of a photoelectric converter and a thermoelectric layer based on CuInSe2. The photoelectric converter ...
      2018-10-03

    • Simulation of Thin-Film Solar Cells with a CuInSe2 Chalcopyrite Structure 

      Esman, A. K.; Zykov, G. L.; Potachits, V. A.; Kuleshov, V. K. (БНТУ, 2020)
      By using numerical simulation, the operating temperatures of a thin-film solar cell based on CuInSe2 have been determined and the solar radiation density values, at which stabilization of the temperature operating conditions of the thin-film solar cell is not required, have been optimized. The maximum possible efficiency value of ~14.8 % is achieved under actual operating conditions, ...
      2020-02-05

    • Simulink-модель движения большегрузной машины с нейро-контроллером в контуре управления 

      Гурский, Н. Н.; Нажжарин, М. (БНТУ, 2014)
      Рассмотрена модель контроллера на базе искусственной нейронной сети. Приведена математическая модель динамического объекта, описывающая прямолинейное курсовое движение мобильной машины. Расчетная схема динамического объекта включает силовой блок, трансмиссию, колесо и массу машины. Представлены сравнительные результаты управления скоростью движения машины с помощью различных ...
      2015-07-24

    • Skills and Training Requirements for the Future Transportation Sector of Europe 

      Bekiaris, E.; Loukea, M. (БНТУ, 2019)
      More than 10 million people are directly employed by the transport industry in Europe, accounting for 4.5 % of total employment and representing 4.6 % of Gross Domestic Product (GDP). This fact, combined with the rapid developments and changes of the sector, makes imperative the need to create, attract and retain appropriate staff. As the overall trend is to increase automation, ...
      2019-12-06

    • Smartphone-Based Automated Non-Destructive Testing Devices 

      Petryk, V. E.; Protasov, A. G.; Galagan, R. M.; Muraviov, A. V.; Lysenko, I. I. (БНТУ, 2020)
      Currently, non-destructive testing is an interdisciplinary field of science and technology that serves to ensure the safe functioning of complex technical systems in the face of multifactorial risks. In this regard, there is a need to consider new information technologies based on intellectual perception, recognition technology, and general network integration. The purpose of ...
      2020-12-18

    • Software tool for processing and selecting objects in infrared images 

      Rybak, V. A.; Amro, Rabia (БНТУ, 2022)
      The article describes the scientific problem of processing images obtained in the infrared range. Methods for filtering such images in order to reduce noise are presented. Methods for optimal smoothing are described. A software tool has been developed that allows you to select the desired objects on the processed images.
      2023-03-14

    • Some Specific Features of Bearing Unit Development Based on Sliding Friction Pairs for Precision Electro-Spindles 

      Kalinichenko, A. S.; Basiniuk, U. L.; Mardasevich, E. I. (БНТУ, 2019)
      Various types of bearing units are used for movable connections in mechanical engineering, and sliding pairs (sliding bearings, guides, bushings) are rather widely applied for this purpose. This allows increasing stiffness of units to reduce their dimensions, to improve heat dissipation and ensure reduction in noise and vibration. However in some cases while using a sliding ...
      2019-07-04

    • Specific Features of Heat- and Mass Transfer Processes in Road Dressings 

      Khroustalev, B. M.; Akeliev, V. D.; Aliakseyeu, Yu. H.; Shi, Jicun; Zankovich, V. V.; Liu, Tingguo (БНТУ, 2018)
      The paper presents a fragment of on-going investigations directed on creation of optimum data environment that ensures an access to world scientific journals and other publications which are necessary for qualitative implementation of works on priority directions of R&D in the field of road-construction industry in the period of 2016–2020. A citation analysis has been applied ...
      2018-12-11

    • Spectral Ellipsometry as a Method of Investigation of Influence of Rapid Thermal Processing of Silicon Wafers on their Optical Characteristics 

      Solodukha, V. A.; Pilipenko, U. A.; Omelchenko, A. A.; Shestovski, D. V. (БНТУ, 2022)
      One of the possible ways of improvement of the surface properties of silicon is the solid phase recrystallization of the surface silicon layer after the chemical-mechanical polishing with application of the rapid thermal treatment with the pulses of second duration. The purpose of the given paper is investigation of influence of the rapid thermal treatment of the initial silicon ...
      2022-11-11

    • Stand Equipment and Test Methods of Modern Optical Sights 

      Kurganovich, A. M.; Stasilovich, V. A.; Shishkin, I. P.; Shkadarevich, A. P. (БНТУ, 2022)
      Manufacture of sights with high output characteristics is a prerequisite for achieving the necessary accuracy when shooting. The aim of the work was to analyze the influence of pancratic optical sights’ main parameters on their output performance characteristics. It is shown that in order to achieve the quality level of the world’s best samples, high image quality – no drop in ...
      2022-11-11

    • Static and dynamic stability of gravi-inertial sensors with capacitive differential system of sensitivity adjustment 

      Джилавдари, И. З.; Мекид, С.; Ризноокая, Н. Н.; Абдул Сатер, А. (БНТУ, 2016)
      Изучается конструкция гравиинерциального датчика с упруго подвешенной массой, обладающего максимальной чувствительностью и минимальным уровнем шума. Датчик содержит упругий торсион, электростатическую емкостную систему измерения движения подвижной массы и электростатическую емкостную систему уменьшения крутильной жесткости торсиона. Обе емкостные системы объединены в единую ...
      2016-06-07