Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Grzegorz Zywica"'
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7520 (2024)
Methods for determining the characteristics of self-acting (aerodynamic) gas bearings have been developed for many years, but many researchers and engineers still question how sophisticated a model of such bearings should be to obtain reliable result
Externí odkaz:
https://doaj.org/article/ef341597683c4a3e9e9de01641f8d036
Publikováno v:
Applied Sciences, Vol 13, Iss 11, p 6766 (2023)
Developing high-speed rotating machines, such as microturbines, requires new solutions for bearing systems. Foil bearings are one of the fastest-growing high-speed bearing technologies. This article presents the results of experimental studies on foi
Externí odkaz:
https://doaj.org/article/ac88c60021834ebbb87f35ff07748e88
Publikováno v:
Applied Sciences, Vol 12, Iss 18, p 9274 (2022)
This article presents an experimental study carried out on a rotor operating on two foil bearings. One of the bearings was built in a way to measure the temperature and deformation of the top foil of the foil bearing. The dynamic performance of the t
Externí odkaz:
https://doaj.org/article/9fdd2d89b28240aab61996dccebc19a1
Autor:
Adam Martowicz, Jakub Roemer, Sławomir Kantor, Paweł Zdziebko, Grzegorz Żywica, Paweł Bagiński
Publikováno v:
Applied Sciences, Vol 11, Iss 6, p 2757 (2021)
The paper discusses a perspective of the usage of various types of smart materials to enhance the operational properties of Gas Foil Bearings. The authors, referring to the current investigation on thermomechanical characteristics of the above-mentio
Externí odkaz:
https://doaj.org/article/44f863c95bb847ca8c27ade5dabfc8fd
Publikováno v:
Applied Sciences, Vol 11, Iss 2, p 878 (2021)
The foil bearing consists of parts made of very thin, properly shaped foils. Usually, it is very difficult or even impossible to measure the vibrations of these elements during the bearing operation using traditional sensors. Therefore, the authors o
Externí odkaz:
https://doaj.org/article/93c3b1978ff34a71a58bd4d3f7422bf1
Publikováno v:
Journal of Vibroengineering, Vol 22, Iss 6, Pp 1519-1533 (2020)
The article discusses the mesh creation techniques for models of discs of axial-flow microturbines. A universal method of optimization of such devices, in terms of their strength improvement, has been proposed. The research focused on microturbines t
Autor:
Krzysztof Dominiczak, Arkadiusz Koprowski, Ryszard Szczepanik, Tomasz Z. Kaczmarczyk, Grzegorz Zywica, Romuald Rzadkowski, Mirosław Kowalski
Publikováno v:
International Journal of Energy Research. 44:11029-11043
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 43
Over the past decades, experimental and theoretical studies on gas foil bearings have been conducted extensively. The essence of the operation of these bearings lies in the use of a unique underlying support mechanism, whose properties adapt to curre
Autor:
Paweł Bagiński, Sławomir Kantor, Grzegorz Zywica, Adam Martowicz, Jakub Roemer, Małgorzata Bogulicz
Publikováno v:
Journal of Sound and Vibration. 520:116663
Modelling and identification of the dynamic characteristics of foil bearings under varying loads pose a great challenge and require the use of advanced numerical models. Although simple models can represent the structural characteristics of foil bear
Autor:
Grzegorz Zywica, Marcin Adamowicz
Publikováno v:
Diagnostyka. 19:77-87