Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Olga, Zharkevich"'
Autor:
Olga Zharkevich, Tatyana Nikonova, Łukasz Gierz, Olga Reshetnikova, Alexandra Berg, Łukasz Warguła, Andrey Berg, Bartosz Wieczorek, Wiktor Łykowski, Oxana Nurzhanova
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5394 (2024)
Gear pumps are hydraulic machines capable of transferring energy and performing work in pumping fluid. This study presents an analysis of the hydrodynamic model of an external multiple gear pump in order to analyze the fluid flow in combinations of s
Externí odkaz:
https://doaj.org/article/2a335f7259904df99f675f94624d788c
Autor:
Olga Zharkevich, Oxana Nurzhanova, Darkhan Zhunuspekov, Yelena Naboko, Toty Buzauova, Gulnur Abdugaliyeva, Arman Mateshov, Alexander Bessonov
Publikováno v:
Tehnički Vjesnik, Vol 30, Iss 3, Pp 951-957 (2023)
The research aims to determine the optimal modes of hardfacing when restoring the shafts of electric motors, taking into account the resulting hardness of the deposited layer for further machining. When conducting a full-scale experiment on hardfacin
Externí odkaz:
https://doaj.org/article/6828066ba84d45dfaf0dae3b684960b7
Autor:
Nadezhda Savelyeva, Tatyana Nikonova, Gulnara Zhetessova, Khrustaleva Irina, Vassiliy Yurchenko, Olegas Černašėjus, Olga Zharkevich, Essim Dandybaev, Andrey Berg, Sergey Vassenkin, Murat Baimuldin
Publikováno v:
Designs, Vol 8, Iss 2, p 24 (2024)
The authors of this article analyze the existing methods and models of technological preparation of machine-building industries. The structure of a three-level simulation model with network-centric control, the structures of individual elements of th
Externí odkaz:
https://doaj.org/article/4fd925ca1f3445869f4f1732bb93dfb4
Autor:
Olga Zharkevich, Tatyana Nikonova, Łukasz Gierz, Andrey Berg, Alexandra Berg, Darkhan Zhunuspekov, Łukasz Warguła, Wikotor Łykowski, Ksawery Fryczyński
Publikováno v:
Applied Sciences, Vol 13, Iss 22, p 12154 (2023)
Reducing the weight of the structures and choosing the materials used in mechanical engineering is an important and pressing economic and environmental problem. The design of a gear pump is developed from the point of view of the geometry of the gear
Externí odkaz:
https://doaj.org/article/1687029d8a384bc191015814173e8b05
Autor:
Gulnara Zhetessova, Tatyana Nikonova, Olga Zharkevich, Vassiliy Yurchenko, Nadezhda Savelyeva, Andrey Berg, Arman Mateshov
Publikováno v:
Tehnički Vjesnik, Vol 29, Iss 3, Pp 1002-1009 (2022)
The authors have determined the economic effect of the introduction of computer-aided design systems for technological preparation processes in the machine-building industry. The research methodology is based on scientific heuristic methods and metho
Externí odkaz:
https://doaj.org/article/417cd989e3ee4116b2f2e4dc8b22790c
Autor:
Tatyana Nikonova, Łukasz Gierz, Olga Zharkevich, Essim Dandybaev, Murat Baimuldin, Leonid Daich, Andrey Sichkarenko, Evgeniy Kotov
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10309 (2022)
This article describes the operation principle of an extrusion line for producing a polypropylene film for sleeves. The advantages and disadvantages of the technological and structural nature for an extrusion line are presented, as well as the stages
Externí odkaz:
https://doaj.org/article/05d7008aa1b6412897de26b591cfe12c
Autor:
Gulnara Zhetessova, Tatyana Nikonova, Łukasz Gierz, Alexandra Berg, Vassiliy Yurchenko, Olga Zharkevich, Kalinin Alexey
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10376 (2022)
The possibility of using polymer concrete for metal cutting machine beds is analyzed. A comparison of the structures of the machine beds made of polymer concrete and cast iron is made. The frequency of the body of the machine beds made of polymer con
Externí odkaz:
https://doaj.org/article/52cf8b0755314fccbe9aea4e96bca931
Autor:
Tatyana Nikonova, Olga Zharkevich, Essim Dandybaev, Murat Baimuldin, Leonid Daich, Andrey Sichkarenko, Evgeniy Kotov
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 10045 (2021)
As a result of R&D, a measuring system for controlling the thickness of the HDPE/LDPE (high-density polyethylene/low-density polyethylene) polymer geomembrane was developed using automation equipment. The relevance of this work consists of the develo
Externí odkaz:
https://doaj.org/article/27085d258f0c4b41a8b138c4e8e45383
Publikováno v:
Trudy Universiteta. :11-16
Autor:
Olegas, Černašėjus, Jelena, Škamat, Živilė, Čepukė, Gulnara, Zhetessova, Tatyana, Nikonova, Olga, Zharkevich, Nikolaj, Višniakov, Alexandra, Berg
Publikováno v:
Materials; Volume 15; Issue 22; Pages: 8041
In the present experimental study, the transverse oscillating laser beam technique was applied for the post-melting of metal matrix composite coatings, thermally sprayed with nickel-based self-fluxing NiCrCoFeCBSi alloy and 40 wt.% WC, to improve the