Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Sergiy Yepifanov"'
Autor:
Sergiy Yepifanov, Oleksii Bondarenko
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 4sup2, Pp 69-79 (2024)
At present, the concept of an on-board self-tuning model has been formed and successfully developed by many scientific schools, and it provides real-time determination of parameters of the working process of engines, which are not measured. However,
Externí odkaz:
https://doaj.org/article/93895d4fd6544dcda0495f2ee0bc233f
Autor:
Sergiy Yepifanov, Oleksii Bondarenko
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 2, Pp 38-48 (2024)
One of the most promising directions in the development of aircraft engines is related to the introduction of adaptive automatic control systems (ACS). The defining element of these systems are dynamic mathematical models of engines capable of self-a
Externí odkaz:
https://doaj.org/article/f2f9b901a3c948f5a68aba9dbb68870b
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 4sup1 (2024)
One of the main problems in the development of turbofan engines with high and ultra-high bypass ratios is the design and testing of fans. Increasing the efficiency of fans of engines of the specified class requires solving many complex interrelated p
Externí odkaz:
https://doaj.org/article/786f61cd038a4c0ea4ecc7dacd352688
Autor:
Sergiy Yepifanov, Oleksii Bondarenko
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 4, Pp 50-61 (2023)
The subject of the study is the process of forming a mathematical model (MM) of an aviation gas turbine engine, which provides the calculation of parameters of the work process in stable and transient operating modes for use in the evaluation of dyna
Externí odkaz:
https://doaj.org/article/90bf7182795c4e4a837a70f6a7cca641
Autor:
Sergiy Yepifanov, Oleksii Bondarenko
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 4sup1, Pp 85-94 (2023)
The subject of the study is the process of forming a mathematical model (MM) of a turboshaft gas turbine engine and a twin-engine helicopter power plant, which provides the determination of parameters of the working process in steady and transient op
Externí odkaz:
https://doaj.org/article/0256a3a057ef4540bb56909581c7b91b
Autor:
Ihor Ohanian, Sergiy Yepifanov
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 4sup1, Pp 95-108 (2023)
The subject of study in this article is the methods of parametric diagnostics of the technical condition of the units of an air vehicle's hydraulic and fuel systems, which make it possible to ensure the established reliability indicators of these sys
Externí odkaz:
https://doaj.org/article/c411e3a08f4b427592c3a01ff68e83bc
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 3, Pp 33-41 (2023)
The subject of research in this article is the experimental determination of the characteristics of fans of turbofan engines with a high and ultra-high bypass ratio. Increasing the efficiency of fans of engines of the specified class requires solving
Externí odkaz:
https://doaj.org/article/ebe9782113b543e59ea1d54b041e1886
Publikováno v:
Авіаційно-космічна техніка та технологія, Vol 0, Iss 1, Pp 35-46 (2023)
The subject of research in this article is the processes of experimental determination of the characteristics of fans of turbojet bypass engines with a high and ultra-high bypass ratio. The goal is to substantiate the need to use a method based on th
Externí odkaz:
https://doaj.org/article/8ba5f20f1a404c4eb2b443e319181c49
Autor:
Iryna Trofymova, Ievgen Meniailov, Serhii Chernysh, Sergiy Yepifanov, Olexandr Khustochka, Mykhaylo Ugryumov, Andriy Myenyaylov, Dmytro Chumachenko
Publikováno v:
Sistemnì Doslìdženâ ta Informacìjnì Tehnologìï, Iss 4 (2020)
This paper analyses the definition of inverse and direct problems in engineering dimensional chains calculation based on discrete analogue data and the methodologies for solving these problems. It is shown that the direct dimensional chains calculati
Externí odkaz:
https://doaj.org/article/f70d65a11d74414db89e4c2e7e77e6b1
Publikováno v:
Aerospace, Vol 8, Iss 11, p 316 (2021)
This article presents the development of the electric turbofan engine in distributed architecture with a design thrust in the range of 3 to 7.5 and from 7.5 to 30 kN for small and medium-sized unmanned aerial vehicles. The engine subsystems are consi
Externí odkaz:
https://doaj.org/article/1856eec838da4f09bddc3c4b0073b397