Search results
- 1.0578438 - ÚT 2024 RIV GB eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P.
A new concept of a hydrodynamic bearing lubricated by composite magnetic fluid for controlling the bearing load capacity.
Mechanical Systems and Signal Processing. Roč. 168, April (2022), č. článku 108678. ISSN 0888-3270. E-ISSN 1096-1216
Institutional support: RVO:61388998
Keywords : hydrodynamic bearings * composite ferromagnetic lubricant * controllable bearing load capacity * rigid rotors
OECD category: Applied mechanics
Impact factor: 8.4, year: 2022
Method of publishing: Open access
https://www.sciencedirect.com/science/article/pii/S0888327021010001?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0349335 - 2.0578112 - ÚT 2024 RIV CH eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Molčan, M.
Optimization of Control Parameters of Magnetorheological Squeeze Film Dampers to Minimize the Vibration Amplitude of Rotors Passing the Critical Speed.
Applied Sciences-Basel. Roč. 13, č. 12 (2023), č. článku 6905. E-ISSN 2076-3417
Institutional support: RVO:61388998
Keywords : accelerating rotors * rotors oscillation * magnetorheological squeeze film dampers * the damping control * optimization of the control parameters * evolution optimization method
OECD category: Applied mechanics
Impact factor: 2.7, year: 2022
Method of publishing: Open access
https://www.mdpi.com/2076-3417/13/12/6905
Permanent Link: https://hdl.handle.net/11104/0348053 - 3.0578111 - ÚT 2024 RIV CH eng J - Journal Article
Molčan, M. - Ferfecki, P. - Zapoměl, Jaroslav
The Numerical Identification of Basins of Attraction for the Vibration Response of the Rigid Rotor with Squeeze Film Dampers.
Applied Sciences-Basel. Roč. 13, č. 5 (2023), č. článku 2864. E-ISSN 2076-3417
Institutional support: RVO:61388998
Keywords : rigid rotor * short squeeze film damper * vibration stability analysis * basins of attraction * origination of nonsynchronous response
OECD category: Applied mechanics
Impact factor: 2.7, year: 2022
Method of publishing: Open access
https://www.mdpi.com/2076-3417/13/5/2864
Permanent Link: https://hdl.handle.net/11104/0348051 - 4.0570632 - ÚT 2024 RIV GB eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Kozánek, Jan
Avoiding disc collisions and nonlinear vibration of unbalanced rotors by means of position control of the rotor journal mounted in magnetorheological hydrodynamic bearings.
International Journal of Non-Linear Mechanics. Roč. 151, May (2023), č. článku 104378. ISSN 0020-7462. E-ISSN 1878-5638
Institutional support: RVO:61388998
Keywords : rotor vibration * disc-casing collisions * magnetorheological hydrodynamic bearings * composite magnetorheological lubricant * position control
OECD category: Applied mechanics
Impact factor: 3.2, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0020746223000306?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0342390 - 5.0536136 - ÚT 2022 RIV US eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Kozánek, Jan
Effect of the controllable support elements lubricated by magnetically sensitive fluids on chaotic and regular vibration of flexible rotors during rubbing.
Mechanism and Machine Theory. Roč. 155, January (2021), č. článku 104096. ISSN 0094-114X. E-ISSN 1873-3999
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:61388998
Keywords : flexible rotors * magnetically controllable rotor support element * rotor rubbing * regular and chaotic rotor vibration
OECD category: Applied mechanics
Impact factor: 4.930, year: 2021
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0094114X20303153?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0319737 - 6.0521429 - ÚT 2020 RIV AT eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Forte, P.
Vibrations attenuation of a Jeffcott rotor by application of a new mathematical model of a magnetorheological squeeze film damper based on a bilinear oil representation.
Acta Mechanica. Roč. 230, č. 5 (2019), s. 1625-1640. ISSN 0001-5970. E-ISSN 1619-6937
Institutional support: RVO:61388998
Keywords : rotating machinery * damping * magnetorheological fluids
OECD category: Applied mechanics
Impact factor: 2.102, year: 2019
Method of publishing: Limited access
https://link.springer.com/article/10.1007/s00707-018-2343-8
Permanent Link: http://hdl.handle.net/11104/0306055 - 7.0497805 - ÚT 2020 RIV GB eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Kozánek, Jan
The mathematical model for analysis of attenuation of nonlinear vibration of rigid rotors influenced by electromagnetic effects.
Journal of Sound and Vibration. Roč. 443, March (2019), s. 168-177. ISSN 0022-460X. E-ISSN 1095-8568
Institutional support: RVO:61388998
Keywords : magnetorheological squeeze film dampers * variable magnetic reluktance * transient electromagnetic phenomena * damping effect
OECD category: Mechanical engineering
Impact factor: 3.429, year: 2019
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0022460X18307600?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0298214 - 8.0484169 - ÚT 2018 RIV DE eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P.
Study of the influence of a delayed yielding phenomenon in magnetorheological damping devices on the vibration attenuation of a Jeffcott rotor.
Technische Mechanik. Roč. 37, 2-5 (2017), s. 377-383. ISSN 0232-3869
R&D Projects: GA ČR GA15-06621S
Institutional support: RVO:61388998
Keywords : magnetorheological dampers * rotors * delayed yielding
OECD category: Mechanical engineering
Permanent Link: http://hdl.handle.net/11104/0279513 - 9.0484165 - ÚT 2018 RIV NL eng J - Journal Article
Ferfecki, P. - Zapoměl, Jaroslav - Kozánek, Jan
Analysis of the vibration attenuation of rotors supported by magnetorheological squeeze film dampers as a multiphysical finite element problem.
Advances in Engineering Software. Roč. 104, February (2017), s. 1-11. ISSN 0965-9978. E-ISSN 1873-5339
R&D Projects: GA ČR GA15-06621S
Institutional support: RVO:61388998
Keywords : magnetorheological squeeze film dampers * magnetorheological oils * closed form formulas * multiphysical problem
OECD category: Mechanical engineering
Impact factor: 3.198, year: 2017
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S096599781630223X?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0279511 - 10.0484160 - ÚT 2018 RIV NL eng J - Journal Article
Zapoměl, Jaroslav - Ferfecki, P. - Forte, P.
A new mathematical model of a short magnetorheological squeeze film damper for rotordynamic applications based on a bilinear oil representation – derivation of the governing equations.
Applied Mathematical Modelling. Roč. 52, December (2017), s. 558-575. ISSN 0307-904X. E-ISSN 1872-8480
R&D Projects: GA ČR GA15-06621S
Institutional support: RVO:61388998
Keywords : magnetorheological squeeze film damper * bilinear material * stability of computational procedures * Bingham theoretical material
OECD category: Mechanical engineering
Impact factor: 2.617, year: 2017
Permanent Link: http://hdl.handle.net/11104/0279509