Browsing Сериальные издания by Title

Now showing items 116-135 of 7861

    • Ecocure Blue – new Cold Box system with ultra-high efficiency and as low as possible emissions 

      Vacelet, P. H.; Taborsky, D. (БНТУ, 2018)
      By omitting materials subject to the labeling requirement in part 1 cold-box resin, Düker GmbH from Laufach can achieve an impressive reduction in emissions. Emission and workplace exposure limit values represent major challenges for foundries, and are becoming increasingly important due to every stricter statutory regulations. In particular, compliance with emission guidelines ...
      2018-04-07

    • Ecological and economic efficiency of traditional and alternative methods of electrical energy production with the features of The Islamic Republic of Iran 

      Mehdizadeh, M. A.; Kalinichenko, A. S.; Laptyonok, S. A. (БНТУ, 2018)
      The problems of energy, environment protection and ecology play a major role in the development of economy strategy in any country. Most of the traditional power stations operating on organic fuels have a negative impact on the environment. Furthermore, there is a depletion of natural resources due to human activities. One of the ways to solve the problem of environmentally ...
      2018-01-24

    • Effect of the Fill Ventilation Window on Performance of a Natural Draft Cooling Tower Subjected to Cross-Winds 

      Dobrego, K. V. (БНТУ, 2016)
      Для улучшения тепловой работы башенных испарительных градирен, особенно в условиях ветровых нагрузок, могут использоваться разнообразные аэродинамические элементы и конструктивные решения (дефлекторы, ветроперегородки и т. п.). Одним из предложений, впервые сформулированных сотрудниками Национальной академии наук Беларуси, было сооружение центрального вентиляционного отверстия в ...
      2016-09-29

    • Effect of viewing angle of IR thermography camera for the detection of landmine 

      Kurdi, M. Moustafa (БНТУ, 2018)
      The detection and recognition of sub-surface buried objects, such landmines, with variable characteristics may be extremely difficult. Infrared (IR) thermography, which is widely employed in the detection of discontinuities in materials and structures, would be in principle suitable also for this kind of application. The issue in this case appears to be the presence of excessive ...
      2018-10-26

    • Efficiency Estimation of Constructing of Wind Power Plant for the Heat Supply Needs 

      Bezhan, A.V. (БНТУ, 2022)
      As in the whole world, there are regions in Russia that experience heat supply difficulties, mainly due to the high cost of fossil fuel as well as to growth of energy resources cost and polluting emissions. In this regard, search for solutions which would provide energy saving with an increase of energy, commercial and ecological efficiency of modern heat supply systems is becoming ...
      2022-08-04

    • Electric Propulsion Systems Design Supported by Multi-Objective Optimization Strategies 

      Hirz, M.; Hofstetter, M.; Lechleitner, D. (БНТУ, 2019)
      Electric drive systems consisting of battery, inverter, electric motor and gearbox are applied in hybrid- or purely electric vehicles. The layout process of such propulsion systems is performed on system level under consideration of various component properties and their interfering characteristics. In addition, different boundary conditions are taken under account, e. g. ...
      2019-12-06

    • Electronic Lexicography: Traditional and Modern Approaches 

      Маkarych, М. V.; Popova, Yu. B.; Shved, M. O. (БНТУ, 2020)
      Nowadays there are a lot of modern technologies in electronic lexicography: speech synthesis technology, crossreferencing between dictionary modules, spell-checking functions, etc. The increasing availability of online information has necessitated intensive research in the area of automatic text summarization within the Natural Language Processing community. Belarusian scientists ...
      2020-10-02

    • Engineering of Light Electric Commercial Vehicle 

      Dorofeev, R.; Tumasov, A.; Sizov1, A.; Kocherov, A.; Meshkov, A.; Porubov, D. (БНТУ, 2020)
      The paper describes the process and results of the development of the light commercial electric vehicle. In order to ensure maximum energy efficiency of the developed vehicle the key parameters of the original electric motor. The article also presents the results of power electronic thermal calculation. For the mathematical model of the vehicle, the driving cycle parameters of ...
      2020-02-04

    • Ensuring Requirements for Emissions of Harmful Substances of Diesel Engines 

      Kuharonak, G. M.; Kapskiy, D. V.; Berezun, V. I. (БНТУ, 2020)
      The purpose of this work is to consider the requirements for emissions of harmful substances of diesel engines by selecting design and adjustment parameters that determine the organization of the workflow, and the exhaust gas cleaning system, taking into account the reduction of fuel consumption. Design elements and geometric characteristics of structures for a turbocharged diesel ...
      2020-08-04

    • Er,Yb:Ca3RE2(BO3)4 (RE=Y, Gd) – Novel 1.5 μm Laser Crystals 

      Gorbachenya, K. N.; Deineka, R. V.; Kisel, V. E.; Yasukevich, A. S.; Shekhovtsov, A. N.; Kosmyna, M. B.; Kuleshov, N. V. (БНТУ, 2019)
      The search for new crystalline host materials for the usage in lasers emitting in the eye-safe spectral range of 1.5–1.6 μm is an important task. The aim of this work was to study the growth technique, spectroscopic properties and laser characteristics of new active media – crystals Er3+,Yb3+:Ca3RE2(BO3)4 (RE=Y, Gd). Calcium-yttrium Er3+,Yb3+:Ca3Y2(BO3)4 (CYB) and calcium-gadolinium ...
      2019-03-15

    • Evaluation of Evaporative Degradation of Arc Torch Cathodes in Hydrocarbon-Containing Plasmas for Spraying, Thermal Protection Testing and Related Technologies 

      Gorbunov, A. V.; Gorbunova, V. A.; Devoino, O. G.; Petraconi, Filho G.; Halinouski, A. A. (БНТУ, 2022)
      Design of non-transferred DC electric arc plasma torches (EAPTs) operated with plasma gases containing alkane hydrocarbons, as a promising type of heaters for a number of technologies (thermal spraying, surface hardening, testing of thermal protection systems, etc.), requires taking into account the evaporation rate of surface cathode material (as one of the channels of its ...
      2022-06-09

    • Evaluation of Nonuniformity of Elastic Properties of Sheets Made from Closed-Сell Polyolefin Foams by Acoustic Method 

      Bogdan, O. P.; Zlobin, D. V.; Muraveva, O. V.; Molin, S. M.; Platunov, A. V. (БНТУ, 2021)
      The widespread use of polyolefin foams in strategically important industries is due to their high thermal, sound and vibration insulation properties. The aim of the work was to evaluate the non-uniformity of elastic properties over the area of sheets of polyolefin foams of various types using the acoustic non-contact shadow amplitude method of testing and confirmation by the ...
      2021-03-18

    • An Evaluation of Photovoltaic Systems MPPT Techniques under the Characteristics of Operational Conditions 

      Petrenko, Y. N.; Elzein, Imad A. (БНТУ, 2017)
      In this article an extended literature surveying review is launched on a set of comparative studies of maximum power point tracking (MPPT) techniques. Different MPPT methods are addressed with an ultimate aim of how to be maximizing the PV system output power by tracking Pmax in a set of different operational circumstances. In this paper maximum power point tracking, MPPT techniques ...
      2017-07-31

    • Evaluation of the Magnet Breakaway Force Measurement Accuracy of the NT-800 Sensors for Early Detection of Defects of Their Manufacturing 

      Kutsepau, A.; Kren, A.; Hnutsenka, Y. (БНТУ, 2021)
      Сontrol of mechanical stresses formed with the deposition of nickel coatings plays an important role in the diagnosis of coatings’ technical condition. Large internal stresses can lead to cracking or flaking of coatings which is completely unacceptable for critical parts and assembly units used, for example, in space technology for which reliability is of paramount importance. ...
      2021-10-18

    • Evaluation of the Magnet Breakaway Force Measurement Accuracy of the NT-800 Sensors for Early Detection of Defects of Their Manufacturing 

      Kutsepau, A.; Kren, A.; Hnutsenka, Y. (БНТУ, 2021)
      Сontrol of mechanical stresses formed with the deposition of nickel coatings plays an important role in the diagnosis of coatings’ technical condition. Large internal stresses can lead to cracking or flaking of coatings which is completely unacceptable for critical parts and assembly units used, for example, in space technology for which reliability is of paramount importance. ...
      2021-10-15

    • Exact and greedy algorithms of allocating experts to maximum set of programmer teams 

      Prihozhy, A. А. (БНТУ, 2022)
      The allocation of experts to programmer teams, which meet constraints on professional competences related to programming technologies, languages and tools an IT project specifies is a hard combinatorial problem. This paper solves the problem of forming the maximum number of teams whose experts meet all the constraints within each team. It develops and compares two algorithms: a ...
      2022-06-09

    • Expanding of Excimer Laser Photoablation’s Functionality in Ophthalmology 

      Alekseev, V. A.; Kostin, V. G.; Usoltseva, A. V.; Usoltsev, V. P.; Yuran, S. I. (БНТУ, 2021)
      One of the significant weaknesses of excimer laser-based vision correction devices is the difficulty of achieving a required change in the refractive properties of the cornea to sharply focus the image on the retina with distance from the working area (ablation zone) center to the periphery due to a change in the laser beam incidence angle. The study is aimed at improving the ...
      2021-10-14

    • Experimental Determination and Comparative Analysis of the PPH030GP, ABS and PLA Polymer Strength Characteristics at Different Strain Rates 

      Zalohin, M. Yu.; Skliarov, V. V.; Dovzhenko, Ja. S.; Brega, D. A. (БНТУ, 2019)
      Nowadays the field of application of products made from polymer materials is constantly increasing. These products find their wide application in the most high-tech industries such as automotive, aerospace and medical industry. Modern trends in the development of the automotive industry predicts that 75 % of the total car mass will be replaced with polymer materials by 2020 and ...
      2019-07-04

    • Experimental Installation for Determination of Attenuation Coefficient of Permanent Magnetic Field by Protective Materials 

      Fedosyuk, V. M. (БНТУ, 2021)
      The permanent magnetic field in addition to electromagnetic radiation has a significant effect on performance of devices. This is particularly true for highly sensitive precision measuring equipment, such as, for example, magnetometers or photomultiplier tubes. In this regard a new high-performance materials for protection against permanent fields and electromagnetic radiation ...
      2021-03-18

    • Features of Controlling Electropneumatic Valves of Actuator to Control its Clutch with Acceleration Valve 

      Yaryta, O. А.; Mychalevych, M. G.; Leontiev, D. N.; Klymenko, V. I.; Bogomolov, V. A.; Gritsuk, I. V.; Novikova, Y. B. (БНТУ, 2018)
      The article deals with one of the ways to control an actuator of the automated clutch control system. The aim is to design control of the electropneumatic actuator, to control its coupling with the acceleration valve on the basis of experimental research as well as to provide rational parameters of the automated clutch control system for the robotic transmission. The feature of ...
      2018-02-09