Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Arkadiusz Bednarz"'
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 4, Pp 355-368 (2024)
The article presents a numerical investigation of the impact of heat exchanger (HE) location on the performance of the geared turbofan engine (GTF). It discusses the development trend for aero engines, with a primary focus on the modification of the
Externí odkaz:
https://doaj.org/article/146cd0315a66417692c543b25d3c1b2b
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract This study aims to quantify and assess qualitatively the impact of modeling simplifications used to represent inertial and aerodynamic loads on the stresses and structural deformations of a centrifugal compressor in operation. The research o
Externí odkaz:
https://doaj.org/article/cb3da0bd3c904b71b689c5a583a547f9
Publikováno v:
Energies, Vol 16, Iss 14, p 5251 (2023)
The aim of this publication was to investigate the effects the blade count of a high-pressure centrifugal compressor’s impeller has on the performance of the DGEN 380 turbine engine at take-off. The study began with the development of a zero-dimens
Externí odkaz:
https://doaj.org/article/d58966f2f6a141cb8a97f7a0fd842038
Experimental Interpretation of the Provisions of EN 13796-3 for Fatigue Testing of Cableway Gondolas
Autor:
Arkadiusz Bednarz, Krzysztof Bieniek, Radosław Kołodziejczyk, Zygmunt Szczerba, Piotr Krauz, Monika Lubas, Kamil Szczerba
Publikováno v:
Applied System Innovation, Vol 6, Iss 2, p 44 (2023)
This article presents an experimental approach to fatigue testing of cableway gondolas, carried out in accordance with the EN 13796-3 standard. Due to the limitations of the aforementioned regulations and the lack of clarity in their content, when de
Externí odkaz:
https://doaj.org/article/203e4df158ee4a4c844e9d172ada44ca
Publikováno v:
Materials, Vol 15, Iss 23, p 8391 (2022)
The aim of this work was to numerically determine the influence of aerodynamic loads on the value of the resonant frequency of the compressor blade. The object of the research was the 1st stage compressor blade of the PZL-10W engine. As part of the r
Externí odkaz:
https://doaj.org/article/fb1ae62229954d968aa55fc19ae9ebf3
Autor:
Michał Sałaciński, Krzysztof Puchała, Andrzej Leski, Elżbieta Szymczyk, Volodymyr Hutsaylyuk, Arkadiusz Bednarz, Piotr Synaszko, Rafał Kozera, Klaudia Olkowicz, Dominik Głowacki
Publikováno v:
Applied Sciences, Vol 12, Iss 9, p 4249 (2022)
The Polish Air Force operates more than one hundred helicopters of the Mi family (manufactured by Mil Helicopters), equipped with metal main rotor blades. The main rotor blades are among the most stressed components of these structures. For this reas
Externí odkaz:
https://doaj.org/article/24af4410eda844f4a2412ef675b90859
Autor:
Monika Lubas, Arkadiusz Bednarz
Publikováno v:
Materials, Vol 14, Iss 23, p 7236 (2021)
This paper concerns the influence of the material modeling method on the results of strength analyses. The research object was a single lap joint with a blind rivet (ISO 12996). The results of numerical strength analysis for various configurations of
Externí odkaz:
https://doaj.org/article/d852a1bb43e347e1a1ddbfa6fbfa324e
Publikováno v:
Materials, Vol 14, Iss 18, p 5279 (2021)
The work presents the results of numerical fatigue analysis of a turbine engine compressor blade, taking into account the values of initial stresses resulting from surface treatment-shot-peening. The values of the residual stresses were estimated exp
Externí odkaz:
https://doaj.org/article/69f3256819ee4ab7ba594dda9960580f
Publikováno v:
Materials, Vol 13, Iss 24, p 5726 (2020)
This publication presents an assessment of the influence of a surface treatment such as shot-peening on the fatigue life of a compressor blade exposed to resonant vibrations. As part of the work, a geometric model of the blade was developed, and a nu
Externí odkaz:
https://doaj.org/article/d9f37827d9fd4acb9f05c52736c6521e
Publikováno v:
Energies; Volume 16; Issue 14; Pages: 5251
The aim of this publication was to investigate the effects the blade count of a high-pressure centrifugal compressor’s impeller has on the performance of the DGEN 380 turbine engine at take-off. The study began with the development of a zero-dimens