Browsing Сериальные издания by Title

Now showing items 361-380 of 7861

    • The Use of Hybrid Energy Storage Devices for Balancing the Electricity Load Profile of Enterprises 

      Belsky, A. A.; Skamyin, A. N.; Vasilkov, O. S. (БНТУ, 2020)
      In this article, the authors consider the possibility of using a hybrid energy storage system to even out the load profile of the enterprise. Solving the problem of rational use of energy storage taking into account the initial variable load schedule will significantly reduce not only the cost of electricity consumption by the enterprise, but also the costs of its production. ...
      2020-05-28

    • Theoretical and technological basis of casting of hollow billets by the method of directional solidification 

      Marukovich, E. I.; Bevza, V. F.; Bodyako, A. M.; Hrusha, U. P. (БНТУ, 2011)
      The new mathod of continuously iterative casting of hollow cylindrical castings from cast iron without application of core, based on the principle of direction of metal solidification is presented in the work. The thermal condition of crystallizer at iterative temperature influences on its internal surface and solidification of casting in the conditions of intensive one-way heat ...
      2014-07-02

    • Thermal lensing measurements in the anisotropic laser crystals under diode pumping 

      Loiko, P. A.; Savitski, V. G.; Yumashev, K. V.; Kuleshov, N. V.; Pavlyuk, A. A. (БНТУ, 2012)
      An experimental setup was developed for thermal lensing measurements in the anisotropic di-ode-pumped laser crystals. The studied crystal is placed into the stable two-mirror laser cavity operating at the fundamental transversal mode. The output beam radius is measured with re-spect to the pump intensity for different meridional planes (all these planes contain the light propagation ...Nm.
      2013-02-05

    • Thermal Measurement and its Application for Diagnostics of Distribution Oil Transformers 

      Korenciak, D.; Sebok, M.; Gutten, M. (БНТУ, 2019)
      In the first part of the paper the theory of infrared radiation and the use of non-destructive measurement of electrical devices by means of thermovision are under analysis. In the second part of paper basic principles and application of non-contact temperature measurement are examined. In the third part of paper thermal processes in distribution oil transformer – temperature in ...
      2019-11-29

    • Thermodynamic Approaches in Assessing Quality, Efficiency and Environmental Friendliness of Asphalt Concrete 

      Qing, Zhang; Romaniuk, V. N.; Aliakseyeu, Yu. G.; Qiang, Hou (БНТУ, 2022)
      The experience of developed countries shows that the development of the road network and transport infrastructure determines the intensity of economic ties and is one of the most important conditions for the development of the state’s economy. Optimization of the composition and production technology of asphalt concrete mixture – the basis of paved roads, is of great importance, ...
      2022-12-09

    • Thermodynamic Aspects of Pavement Engineering 

      Khroustalev, B. M.; Liu, Tinguo; Aliakseyeu, Yu. H.; Li, Zhongyu; Akeliev, V. D.; Minchenya, V. T. (БНТУ, 2022)
      Scientific and practical calculations on the thermal stability of typical automobile road surface (semi-limited objects) with fluctuations in air temperatures, transitions from positive to negative, with actual heat transfer coefficients, thermal conductivity of components, specific mass isobaric heat capacities, material densities, periods of regular fluctuations are presented. ...
      2022-02-22

    • Thermodynamic Estimation of the Parameters for the C–H–O–N–Me-Systems as Operating Fluid Simulants for New Processes of Powder Thermal Spraying and Spheroidizing 

      Gorbunov, A. V.; Devoino, O. G.; Gorbunova, V. A.; Yatskevitch, O. K.; Koval, V. A. (БНТУ, 2021)
      Over the past few years, a group of new processes was developed for high-temperature, including plasma electric arc spraying (at ambient pressure) and spheroidizing of some ceramic and metal powder materials with the use of gaseous hydrocarbons in the heat carriers as well as with feeding of organic additions into a high-temperature jet, in particular, polymeric ones, to control ...
      2021-10-06

    • Thermodynamic Evaluation of Asphalt Concrete Properties and its Mixing Energy Consumption by Exergy Structure 

      Zhang, Qing; Romaniuk, V. N.; Khroustalev, B. M.; Hou, Qiang; Hou, Dehua (БНТУ, 2023)
      The relevance of solving the problem of energy saving, today, is enhanced by the requirements of an environmental nature, united by the term “green energy”. Solving the problems of climate conservation is inseparable from solving the problem of energy saving. Green, hydrogen energy, about which there has been a powerful and aggressive debate over the past decade, turned out to ...
      2023-02-08

    • To Evaluation Test of Quality of Magnetic Fluids for Magnetofluid Devices 

      Bashtovoi, V. G.; Reks, A. G.; Klimovich, S. V.; Volkova, O. Yu. (БНТУ, 2016)
      Магнитная жидкость представляет собой коллоид наночастиц магнетита. Применение магнитных жидкостей в технических устройствах имеет особенность, связанную с необходимостью использования сильно неоднородных магнитных полей в течение длительного промежутка времени. Одними из наиболее распространенных магнитожидкостных устройств являются магнитожидкостные уплотнения подвижных валов, ...
      2016-12-02

    • Tomographic mammography and tomosynthesis using OPENGL 

      Золотарев, С. А.; Мирзаванд, М. А. (БНТУ, 2016)
      Компьютерная томография продолжает интенсивно исследоваться и широко использоваться для решения различных индустриальных и медицинских проблем. Алгебраический метод реконструкции с одновременными итерациями (SART) и Байесовская итерационная реконструкция (BIR) являются передовыми итерационными методами, которые наиболее подходят для улучшения качества реконструированных трехмерных ...
      2016-03-27

    • Transdisciplinary models of hydraulic drives of mobile machinery 

      Puzanov, A. V. (БНТУ, 2018)
      Modern drive engineering requires a comprehensive analysis of all work processes in hydraulic drives, solving the problems of modeling the technological processes of their production using mathematical and software tools of various physicality. The article proposes an approach to the development of hydrodrives of mobile equipment based on transdisciplinary models of instruments ...
      2019-02-05

    • Translation lookaside buffer management 

      Klimiankou, Y. I. (БНТУ, 2019)
      This paper focuses on the Translation Lookaside Buffer (TLB) management as part of memory management. TLB is an associative cache of the advanced processors, which reduces the overhead of the virtual to physical address translations. We consider challenges related to the design of the TLB management subsystem of the OS kernel on the example of the IA-32 platform and propose a ...
      2020-01-09

    • Tuning block-parallel all-pairs shortest path algorithm for efficient multi-core implementation 

      Karasik, O. N.; Prihozhy, A. A. (БНТУ, 2022)
      Finding shortest paths in a weighted graph is one of the key problems in computer-science, which has numerous practical applications in multiple domains. This paper analyzes the parallel blocked all-pairs shortest path algorithm at the aim of evaluating the influence of the multi-core system and its hierarchical cache memory on the parameters of algorithm implementation depending ...
      2022-12-07

    • Usage of the Anharmonic Correlated Einstein Model to Define the Expressions of Cumulants and Thermodynamic Parameters in the Cubic Crystals with New Structure Factors 

      Duc, Nguyen Ba (БНТУ, 2014)
      Используя потенциально эффективное взаимодействие в ангармонической корреляционной модели Эйнштейна на основании квантовой статистической теории с фононным взаимодействием, были сформулированы выражения, описывающие асимметричные компоненты (кумулянты) и термодинамические параметры, включая вклад ангармонических эффектов и новых структурных параметров кубических кристаллов. ...
      2014-12-16

    • Use of the Laser Beam Deflection Technique for Thermo-Optic Coefficients Study in Gadolinium-Yttrium Oxyorthosilicate Doped with Erbium Ions 

      Yumashev, K. V.; Goman, V. I.; Pavlovski, L. K.; Hertsova, A. V.; Malyarevich, A. M. (БНТУ, 2023)
      Results of use of the laser beam deflection technique for determination of thermo-optic coefficients (TOCs) of the Er3+-doped gadolinium-yttrium oxyorthosilicate crystal (Er3+:(GdY)2SiO5 – Er:GYSO) are presented. A 0.1 at.% Er-doped gadolinium-yttrium oxyorthosilicate crystal was grown by the Czochralski method under nitrogen atmosphere. Raw materials such as Er2O3, Gd2O3, Y2O3, ...
      2023-12-12

    • Validation of an Assistance System for Merging Maneuvers in Highways in Real Driving Conditions 

      Sanchez-Mateo, S.; Perez-Moreno, E.; Jimenez, F.; Serradilla, F.; Cruz Ruiz, A.; de la Fuente Tamayo, S. (БНТУ, 2019)
      In the latest study conducted by the National Highway Traffic Safety Administration in 2018, it was published that human error is still considered the major factor in traffic accidents, 94 %, compared with other causes such as vehicles, environment and unknown critical reasons. Some driving scenarios are especially complex, such as highways merging lanes, where the driver obtains ...
      2019-12-06

    • Variables Selection in the Ultraviolet, Visible and Near Infrared Range for Calibration of a Mixture of Vegetable Oils by Absorbance Spectra 

      Khodasevich, М. А.; Borisevich, D. A. (БНТУ, 2021)
      The aim of the work was a multivariate calibration of the concentration of unrefined sunflower oil, considered as adulteration, in a mixture with flaxseed oil. The relevance of the study is due to the need to develop a simple and effective method for detecting the falsification of flaxseed oil which is superior in the content of essential polyunsaturated fatty acids to olive oil. ...
      2021-03-18

    • Ways to Improve Road Safety Audit in the Republic of Kazakhstan 

      Ibrayev, K.; Kapskiy, D.; Bogdanovich, S. (БНТУ, 2021)
      There are two types of internationally recognized engineering approaches to addressing road safety issues – proactive and reactive. Predicted or proactive approach includes prevention of accidents and taking corrective measures before accidents can occur. One example of this approach is road safety audit, which is a relatively new tool in developing countries. The paper has ...
      2021-02-04

    • Wind Turbine Electrical Energy Supply System for Oil Well Heating 

      Belsky, A. A.; Morenov, V. A.; Kupavykh, K. S.; Sandyga, M. S. (БНТУ, 2019)
      In this article, the authors reviewed a new technology to prevent the formation of asphalt-resin-paraffin deposits by the thermal method of electrothermal impact on the oil wellbore shaft using a wind-electric installation as an autonomous power source. The advantage of this thermal stimulation technique lies in its continuous nature, which will allow keeping the clear opening ...
      2019-04-03

    • Yb:CALYO-based femtosecond chirped pulse regenerative amplifier for temporally resolved pump-probe spectroscopy 

      Rudenkov, Alexander; Kisel, Viktor; Yasukevich, Anatol; Hovhannesyan, Karine; Petrosyan, Ashot; Kuleshov, Nikolai (БНТУ, 2018)
      Diode-pumped femtosecond chirped pulse regenerative amplifiers based on Yb³⁺-materials are of practical importance for wide range of scientific, industrial and biomedical applications. The aim of this work was to study the amplification of broadband chirped femtosecond pulses in regenerative amplifier based on Yb³⁺:CaYAlO₄ crystal. Such systems use femtosecond mode-locked lasers ...
      2018-09-18