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Alexander Taranik,Sergey Lebedev,Igor Litvinenko,Grigory Baydin,Marina Belova,Olga Pavlenko,Elena Besova
Pág. 39 - 52
The paper analyzes the spread of COVID-19 in 2020-2021 in 8 regions of the Russian Federation: Moscow, Saint-Petersburg, Krasnodar Territory, Stavropol Territory, Bashkortostan Republic, Sverdlovsk Region, Krasnoyarsk Territory, and Primorye Territory. A...
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Kateryna Kostyk, Ivan Kuric, Milan Saga, Viktoriia Kostyk, Vitalii Ivanov, Viktor Kovalov and Ivan Pavlenko
The relevant problem is searching for up-to-date methods to improve tools and machine parts? performance due to the hardening of surface layers. This article shows that, after the magnetic-pulse treatment of bearing steel Cr15, its surface microhardness ...
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Dmytro Pavlenko, Yaroslav Dvirnyk and Radoslaw Przysowa
Manufacturing costs, along with operational performance, are among the major factors determining the selection of the propulsion system for unmanned aerial vehicles (UAVs), especially for aerial targets and cruise missiles. In this paper, the design requ...
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Serhii Haievskyi, ?gor Kulakov, Oleksandr Shapovalov, Oleksander Timochko, Vladislava Pavlenko
Pág. 14 - 24
The subject matter of the article are the processes of functioning of the radio electronic system of a modern aircraft, its components, functional units and functional systems as an object for determining and calculating indicators of residual life. The ...
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Ivan Pavlenko, Justyna Trojanowska, Oleksandr Gusak, Vitalii Ivanov, Jan Pitel, Vita Pavlenko
Pág. 52 - 56
The permanent increase of operating parameters of modern multistage centrifugal pumps requires more precise modelling for estimation their dynamic reliability and needs to develop new approach and methodology for the related calculations. It is necessary...
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Yaroslav Dvirnyk, Dmytro Pavlenko and Radoslaw Przysowa
This paper analyzes the health and performance of the 12-stage axial compressor of the TV3-117VM/VMA turboshaft operated in a desert environment. The results of the dimensional control of 4800 worn blades are analyzed to model the wear process. Operation...
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Bohdan Kutnyi,?natoliy Pavlenko,Yuri Holik
Pág. 16 - 24
Design diagram of experimental setup for studying the mass exchange processes occurring during formation of gas hydrates was presented. A procedure of performing studies and the use of equipment for conducting experiments in a diffusion mode with the use...
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Borys Liubarskyi,Natalia Lukashova,Oleksandr Petrenko,Tetyana Pavlenko,Dmytro Iakunin,Sergiy Yatsko,Yaroslav Vashchenko
Pág. 16 - 25
A procedure for determining basic estimation parameters has been devised for the proposed structure of the electromechanical shock absorber. The procedure is based on a simplified mathematical model for determining the electromagnetic and electromotive f...
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Ann Karakurkchi,Mykola Sakhnenko,Maryna Ved?,Iryna Yermolenko,Sergey Pavlenko,Vadym Yevsieiev,Yaroslav Pavlov,Vladislav Yemanov
Pág. 29 - 38
Approaches to the use of electrochemical coatings in surface treatment technologies are analyzed. It is shown that directed surface modification allows expanding the functional properties of the treated material, in particular, increasing the strength, w...
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Oleksandr Milov,Serhii Yevseiev,Volodymyr Aleksiyev,Polina Berdnik,Oleksandr Voitko,Valentyn Dyptan,Yevheniia Ivanchenko,Maxim Pavlenko,Anatolii Salii,Serhiy Yarovyy
Pág. 46 - 57
The results of modeling and analysis of scenarios of the behavior of interacting agents in conditions of cyber conflict are presented. General approaches to the development of a scenario of the behavior of antagonistic agents are presented. The definitio...
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