Now showing items 262-281 of 7869

    • Morphology modification of carbon chrome molybdenum steel structure influenced by heat treatment 

      Lutsenko, V. А.; Anelkin, N. I.; Golubenko, Т. N.; Scherbakov, V. I.; Lutsenko, O. V. (БНТУ, 2011)
      The influence of temperature and time parameters of thermal treatment on structural change and properties of carbon chromium molybdenum steel has been studied. It has been shown that there are considerable areas with grainy morphology of cementite after high temperature tempering in the structure of steel. It assures reduction of steel microhardness by 25%, and there are no ...
      2014-07-02
    • Multi-Layers Composite Plasma Coatings Based on Oxide Ceramics and M-Croll 

      Panteleenko, F. I.; Okovity, V. A.; Devоino, O. G.; Astashinsky, V. M.; Switala, F. (БНТУ, 2022)
      The paper considers the influence of the parameters of the plasma spraying process on the technological characteristics of multilayer coatings based on nickel-chromium, nickel-chromium-aluminum-yttrium materials, oxide ceramics, intended for operation at high temperature and additional dynamic loads. The design of plasma coatings during their application (with subsequent high-energy ...
      2022-04-06
    • Multi-Parameter Methodology for Assessing Quality Indicators of Nanomodified Fiber-Reinforced Concrete for Construction Site 

      Leonovich, S. N.; Sadovskaya, E. A.; Koleda, A. A. (БНТУ, 2023)
      Nanomodified fiber-reinforced concrete is a building material for which the required characteristics of fracture toughness are a distinctive feature. Determination of the stress intensity factor of fiber-reinforced concrete makes it possible to correctly assess the resistance of the material during the formation and development of cracks. The proposed multi-parameter methodology ...
      2023-10-20
    • Multicomponent Solid Fuel Production Technology Using Waste Water 

      Pekhota, A. N.; Khroustalev, B. M.; Phap, Vu Minh; Romaniuk, V. N.; Pekhota, E. A.; Vostrova, R. N.; Nga, Nguyen Thuy (БНТУ, 2021)
      An assessment is given to the problems of urban wastewater sludge utilization in our country and abroad, with determination of formation and usage level. Global trends in the reduction of carbon dioxide emissions exacerbate the urgency of solving the designated tasks. At the same time, recently, in connection with the EU’s plans to introduce a cross-border carbon levy, it has ...
      2021-12-14
    • Nanoantenna Array for Terahertz Detection Application, Design and Scope 

      Pande, S. V.; Patil, D. P.; Gade, S. (БНТУ, 2024)
      The development and implementation of a nanoantenna array for terahertz detection hold immense potential in advancing scientific research and innovation, proven by its ability to enhance terahertz signal reception, overcome limitations of conventional detection methods, and unlock new possibilities for numerous industries. However, concerns related to scalability, cost-effectiveness, ...
      2024-04-12
    • Nanofiber Concrete: Multi-Level Reinforcement 

      Leonovich, S. N.; Sadovskaya, E. А. (БНТУ, 2022)
      Concrete is the most commonly used building material worldwide. One of its main disadvantages is the fragility of fracture and low crack resistance. The use of dispersed reinforcement of concrete composites is a promising direction in solving this type of problem. Dispersed fibers, evenly distributed over the entire volume of the material, create a spatial frame and contribute ...
      2022-11-11
    • Negative Ion Beam Emittance Calculations 

      Turek, M.; Wegierek, P. (БНТУ, 2020)
      Computer simulations are commonly used to support design and optimisation of powerful negative ion sources for the needs of future thermonuclear reactors like e. g. ITER. The aim of the paper was to study changes of produced beam quality (described by its emittance and brightness) with the geometry of the extraction system as well as extraction voltage. A two-dimensional ...
      2020-03-17
    • New blocked all-pairs shortest paths algorithms operating on blocks of unequal sizes 

      Prihozhy, A. A.; Karasik, O. N. (БНТУ, 2023)
      BelarusIn real-world networks, many problems imply finding the All-Pairs Shortest Paths (APSP) and their distances in a graph. Solving the large-scale APSP problem on modern muti-processor (multi-core) systems is the key for various application domains. The computational cost of solving the problem is high, therefore in many cases approximate solutions are considered as acceptable. ...
      2024-01-19
    • New trends in steel cord development 

      Vedeneev, A. V. (БНТУ, 2011)
      The analysis of directions of metal cord constructions developments depending on the place of application in tires of different function is carried out. The requirements to metal cord, which are necessary to be taken into account at development of its new type, are given. The peculiarities of perspective types of reinforcing agents for tires, and also advantages of new types of ...
      2014-07-02
    • Non-Additive Quantity Measurement Model 

      Romanchak, V. M.; Serenkov, P. S. (БНТУ, 2022)
      This work considers a model for measuring non-additive quantities, in particular a model for subjective measurement. The purpose of this work was to develop the measurement theory and form of a measurement model that uses the corrected S. Stevens measurement model. A generalized structure was considered that included an empirical system, a mathematical system, and a homomorphism ...
      2022-11-11
    • Nonlinear Pulse-Time Conversion in Radioisotope Devices: Analysis and Application Possibilities 

      Vodovozov, A. М. (БНТУ, 2021)
      The paper considers the operation of radioisotope measuring devices under dynamic conditions, when the Poisson pulse flux at the output of the radiation detector becomes unsteady and the nonlinearity of the calibration curve of the device, the stochasticity of the radiation signal and the inertia of the meter significantly complicate the task of estimating the measured physical ...
      2021-07-08
    • Numerical simulation of electric characteristics of deep submicron silicon-on-insulator MOS transistor 

      Borzdov, A. V.; Borzdov, V. M.; Dorozhkin, N. N. (БНТУ, 2016)
      На сегодняшний день субмикронные МОП-транзисторные структуры кремний-на-изоляторе (КНИ) широко используются в различных электронных устройствах, а также могут применяться в качестве сенсорных элементов. Разработка приборов с заданными характеристиками на основе этих структур невозможна без компьютерного моделирования их электрических свойств. Для глубокосубмикронных транзисторных ...
      2016-09-11
    • Off-line верификация рукописной подписи с применением сверточной нейронной сети 

      Ахунджанов, У. Ю.; Старовойтов, В. В. (БНТУ, 2022)
      Данная статья посвящена разработке метода обнаружения подделки рукописных подписей. Подпись до сих пор остается одним из самым распространенных методов идентификации личности. Подпись на финансовых и других документах может быть подделана, поэтому выявление подделки является актуальной задачей. Это задача бинарной классификации: определить является подпись подлинной или фальшивой. ...
      2022-06-09
    • OLAP-технологии как инструментарий поддержки принятия решений 

      Акушко, Д. В. (БНТУ, 2017)
      Настоящая статья раскрывает базовые принципы работы с OLAP-технологиями, демонстрирует ключевые особенности по сравнению с традиционными системами отчетности. Рассмотрена упрощенная структура OLAP-куба для анализа себестоимости продукции сталеплавильного цеха.
      2017-07-05
    • One – stage metal wastes recycling 

      Rovin, S. L.; Rovin, L. E.; Zharanov, V. A.; Zayats, T. M. (БНТУ, 2011)
      Rotary tilting furnace is the most efficient installation for recycling of dispersible metal wastes of any alloy. Several constructions have been designed for chips heating and melting, scale recovery, ets.
      2014-07-02
    • Online-Identification of Electromagnetic Parameters of an Induction Motor 

      Tytiuk, V. K.; Baranovskaya, M. L.; Chornyi, O. P.; Burdilnaya, E. V.; Kuznetsov, V. V.; Bogatyriov, K. N. (БНТУ, 2020)
      Incompliance of the settings of the system to control actual values of the parameters of a variable frequency induction electric drive may sometimes result in complete non-operability of a variable frequency electric drive as well as in the considerable reduction of the dynamic quality parameters. Such parameters as active rotor resistance, rotor inductance, and inductance of the ...
      2020-10-07
    • Optimization of Bridge Crane Movement Control 

      Loveikin, V. S.; Romasevich, Y. A. (БНТУ, 2018)
      Transient modes of bridge cranes movement determine their energy, dynamic and electrical performance, as well as productivity and durability of work. An optimal control problem of its movement has been solved while making an analysis of indicators for efficient performance of a bridge crane. Terminal and integral criteria have been selected as optimization criteria. They represent ...
      2018-10-11
    • Optimization of data allocation in hierarchical memory for blocked shortest paths algorithms 

      Prihozhy, A. A. (БНТУ, 2021)
      This paper is devoted to the reduction of data transfer between the main memory and direct mapped cache for blocked shortest paths algorithms (BSPA), which represent data by a D[M×M] matrix of blocks. For large graphs, the cache size S = δ×M2, δ < 1 is smaller than the matrix size. The cache assigns a group of main memory blocks to a single cache block. BSPA performs multiple ...
      2021-10-01
    • Optimization of the Emitting Coil of a Hardware-Software Complex for Study of Low-Frequency Electromagnetic Radiation’s Shielding Effectiveness 

      Kanafyev, O. D.; Trukhanov, A. V.; Zubar, T. I.; Chizhik, S. A.; Grabchikov, S. S. (БНТУ, 2021)
      Optimization of the radiation coil of the hardware-software complex for studying the effectiveness of shielding of low-frequency electromagnetic radiation will make it possible to assess the effectiveness of shielding coatings at a higher level. This fact will make it possible to develop coatings with improved characteristics. The purpose of this work was to determine the optimal ...
      2021-03-18
    • Optimized Data Exchange Process between Design and Production Engineering 

      Kreis, A.; Hirz, M. (БНТУ, 2020)
      Growing vehicle variant diversity, legal requirements to reduce fleet CO2 emissions and innovations in the area of drive train technologies, coupled with the increasing pressure to cut costs, pose new challenges for parties in the automotive sector. An implementation of optimized development and production processes supports the effective handling of these challenges. One important ...
      2020-02-04