Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Petr Ferfecki"'
Autor:
Zdenko Šavrnoch, Milan Sapieta, Vladimír Dekýš, Petr Ferfecki, Jaroslav Zapoměl, Alžbeta Sapietová, Michal Molčan, Martin Fusek
Publikováno v:
Sensors, Vol 24, Iss 13, p 4349 (2024)
Real-world rotordynamic systems exhibit inherent uncertainties in manufacturing tolerances, material properties, and operating conditions. This study presents a Monte Carlo simulation approach using MSC Adams View and Adams Insight to investigate the
Externí odkaz:
https://doaj.org/article/8f732c4d122d4ccfbac5581562b7d01f
Publikováno v:
Applied Sciences, Vol 13, Iss 12, p 6905 (2023)
Rotors are often coupled with a stationary part by rolling element bearings. To suppress their excessive vibration, the bearings are inserted in squeeze film dampers. The control of damping in the support elements offers the possibility to minimize t
Externí odkaz:
https://doaj.org/article/517580c9c8cc425b814afefea87784c8
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 2864 (2023)
The article deals with the computational study of the rigid rotor coupled with squeeze film dampers. Various techniques such as the method of computation of the synchronous response with a circular centred orbit, the harmonic balance method, and the
Externí odkaz:
https://doaj.org/article/bb2bab644e1948b0a80b2b2fc82e0940
Autor:
Jaroslav Zapoměl, Petr Ferfecki
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 69, Iss 6 (2021)
Rotors of rotating machines are often mounted in hydrodynamic bearings. Loading alternating between the idling and full load magnitudes leads to the rotor journal eccentricity variation in the bearing gap. To avoid taking undesirable operating regime
Externí odkaz:
https://doaj.org/article/aab5b8d400244b3ea8b64368a604beb9
Publikováno v:
Applied Sciences; Volume 13; Issue 12; Pages: 6905
Rotors are often coupled with a stationary part by rolling element bearings. To suppress their excessive vibration, the bearings are inserted in squeeze film dampers. The control of damping in the support elements offers the possibility to minimize t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::dceec9b234cd42d8b5bdea94a1cda953
Publikováno v:
International Journal of Non-Linear Mechanics. 151:104378
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e24d03714496d0a8974ea366b576a2d
https://doi.org/10.1016/j.ijnonlinmec.2023.104378
https://doi.org/10.1016/j.ijnonlinmec.2023.104378
Publikováno v:
Applied Mathematical Modelling. 89:413-427
Problems related to scattering phenomena of the antisymmetric fundamental Lamb wave mode with an adhesively bonded lap joint containing a disbond in the adhesive layer is being solved within the framework of this paper. Overall, two methods are used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9f68323b27f925e0d75c92405e0dd4
https://doi.org/10.1016/j.apm.2020.08.017
https://doi.org/10.1016/j.apm.2020.08.017
Publikováno v:
Advances in Mechanism Design III ISBN: 9783030835934
Vertical rotors are often used as components of energy machines or flywheels for energy storage. Application of the contactless bearings makes it possible to minimize resistance against their rotation, wear, and energy losses. The advanced technologi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21dde9466e061c845794d7247b00a60f
https://doi.org/10.1007/978-3-030-83594-1_19
https://doi.org/10.1007/978-3-030-83594-1_19
Publikováno v:
Journal of Mechanical Engineering, Vol 69, Iss 3, Pp 33-42 (2019)
The computational procedure for investigation vibration stability of a flexible rotor consisting of an asymmetric shaft, one disc, and supported by ball bearings is developed in this work. Lagrange equations of the second kind were used for derivatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fecc327c37311d28bc45f70e0ad2f560
https://doaj.org/article/0cf7224a06ee4b39b9625488c70a280f
https://doaj.org/article/0cf7224a06ee4b39b9625488c70a280f
Autor:
Jaroslav Zapoměl, Petr Ferfecki
Publikováno v:
Vibroengineering PROCEDIA. 27:133-138
The rotors are often mounted in hydrodynamic bearings. To achieve their optimum performance in a wide range of operating speeds, their stiffness and damping parameters must be adaptable to the current angular velocity. This is offered by application
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e67060a9b72f26638c8c9efdfafcb3a
https://doi.org/10.21595/vp.2019.20950
https://doi.org/10.21595/vp.2019.20950