Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Sergey Dobrotvorskiy"'
Autor:
Sergey Dobrotvorskiy, Borys A. Aleksenko, Yevheniia Basova, Iaroslav M. Gnilitskyi, Mikołaj Kościński, José Machado
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8662 (2024)
Currently, the technology of imparting the necessary reflective properties to a surface is becoming increasingly important. Darkening the surface and matting it helps to diffuse the reflected beam and prevent glare. The surface’s reflective propert
Externí odkaz:
https://doaj.org/article/d6727e481ff34574b04e644e5f9f429f
Autor:
Ivan Pavlenko, Serhii Kononenko, Krystian Czernek, Stanisław Witczak, Sergey Dobrotvorskiy, Yevhenia Basova, Vitalii Ivanov, Andżelika Krupińska, Magdalena Matuszak, Sylwia Włodarczak, Marek Ochowiak
Publikováno v:
Energies, Vol 16, Iss 3, p 1511 (2023)
Ensuring the vibration reliability of power equipment is one of the fundamental problems in modern power machinery. This problem has become more critical due to a permanent increase in the machining performance of high-speed milling of axial turbine
Externí odkaz:
https://doaj.org/article/d05fed422aa148ee8e37c9333b21ca56
Autor:
Anatoliy Gaydamaka, Volodymyr Klitnoi, Sergey Dobrotvorskiy, Yevheniia Basova, Demétrio Matos, José Machado
Publikováno v:
Applied Sciences, Vol 13, Iss 2, p 1144 (2023)
Several aspects must be considered in the design of rolling bearing cages. One of the most important considerations relates to studying and developing a stationary approach for solving problems of heat and mass transfer during convection. In this con
Externí odkaz:
https://doaj.org/article/6cc681190a114310badc9626ea856d7d
Autor:
Mohammed Amine Chelabi, Sergey Dobrotvorskiy, Yevheniia Basova, Borys A. Aleksenko, Milan Edl, Jan Zdebor, José Machado
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 12165 (2022)
The blade shape is of great interest to hybrid turbine designers, due to its significant and direct impact on turbine performance. The inlet and outlet diameters of the vane affect the size of the rotor, which is limited because of the small space av
Externí odkaz:
https://doaj.org/article/b64ee1025a8949d8b7683c32da78cef9
Autor:
Serhii Kononenko, Sergey Dobrotvorskiy, Yevheniia Basova, Magomediemin Gasanov, Ludmila Dobrovolska
Publikováno v:
Acta Polytechnica, Vol 59, Iss 3, Pp 283-291 (2019)
The disadvantage of the geometry of thin-walled parts, in terms of processing, is the low ability to resist static and dynamic loads. It is caused by the elastic deformation of elements with a low stiffness. Modelling approaches for the evaluation of
Externí odkaz:
https://doaj.org/article/8652b62fcd974902881800630c4508ac
Publikováno v:
Acta Polytechnica, Vol 59, Iss 1, Pp 12-23 (2019)
Energy conservation issues are acute in the world. Compressed air is widely used in the modern industrial production. The production of compressed air is a very energy-intensive process, since most of the energy, which is expended by the compressor,
Externí odkaz:
https://doaj.org/article/72985354b8d14524bda0fc701f713d80
Autor:
Mohammed Amine Chelabi, Milan Saga, Ivan Kuric, Yevheniia Basova, Sergey Dobrotvorskiy, Vitalii Ivanov, Ivan Pavlenko
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3781 (2022)
The choice of blades for mixed turbines is to achieve the required deflection with minimal losses. In addition, it is necessary that the blade functions without a detachment in a wide area outside the nominal operating point of the machine. In the bl
Externí odkaz:
https://doaj.org/article/25b7d34473ee49ccbc99665c4f43e22c
Publikováno v:
Acta Polytechnica, Vol 58, Iss 4, Pp 217-225 (2018)
Today, energy conservation is a priority. This is due to the shortage of energy resources, the growth of their cost and global environmental problems. The production of compressed air is a wery costly and power-consuming process. One of the areas of
Externí odkaz:
https://doaj.org/article/ede2e1b343f54343a5c0249a1d49e507
Autor:
Sergey Dobrotvorskiy, Yevheniia Basova, Oleksandr Kharchenko, Valerii Letiuk, Ihor Yakovenko, Alexey Kotliar, Samra Youssef Mounif Abou
Publikováno v:
Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry. :117-123
A digital solid model of a turbine blade with a mounting shelf has been developed in SolidWorks. The description of complex surfaces is made using spline functions. The method of computer simulation using SolidWorks Simulation was used to study the d
Autor:
Sergey Dobrotvorskiy, Borys A. Aleksenko, Mikołaj Kościński, Yevheniia Basova, Vadym Prykhodko
Publikováno v:
Lecture Notes in Mechanical Engineering ISBN: 9783031327667
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf49448fbb5bebb287abbaf1fa80e0b5
https://doi.org/10.1007/978-3-031-32767-4_20
https://doi.org/10.1007/978-3-031-32767-4_20