Research of New Technologies of Hydrodynamic Bearings for High-Speed Applications and Methods for Optimization of Their Properties

Aim of the Research

The research objective is to provide advanced design and analysis in the field of fluid film lubrication and sealing. 

The educational objective is to provide both graduate and undergraduate students with an in-depth education in the fundamental aspects of fluid film bearing and sealing technology.

Our research covers a wide range of novel bearing and sealing applications in turbomachinery, addressing current and future industrial needs.

Publications

• NOVOTNÝ, P.; KUDLÁČEK, P.; VACULA, J. Explanation of the mechanisms of unsteady gas flow through the turbocharger seal system, including thermal and structural interactions. Propulsion and Power Research, 2023, roč. 12, č. 2, s. 180-198. ISSN: 2212-540X. 

• NOVOTNÝ, P.; VACULA, J.; HRABOVSKÝ, J. Solution strategy for increasing the efficiency of turbochargers by reducing energy losses in the lubrication system. Energy, 2021, vol. 236, no. 121402, p. 1-16. ISSN: 0360-5442.

• NOVOTNÝ, P., J. VACULA and M. JONÁK. Evolutionary Optimisation of the Thrust Bearing Considering Multiple Operating Conditions in Turbomachinery. International Journal of Mechanical Sciences. 2021, 195. ISSN 0020-7403.

• NOVOTNÝ, P. and J. HRABOVSKÝ. Efficient computational modelling of low loaded bearings of turbocharger rotors. International Journal of Mechanical Sciences. 2020, 174. ISSN 0020-7403.

• NOVOTNÝ, P., J. HRABOVSKÝ, J. JURAČKA, J. KLÍMA and V. HORT. Effective thrust bearing model for simulations of transient rotor dynamics. International Journal of Mechanical Sciences. 2019, 157. ISSN 0020-7403.

• NOVOTNÝ, P., P. ŠKARA and J. HLINÍK. The effective computational model of the hydrodynamics journal floating ring bearing for simulations of long transient regimes of turbocharger rotor dynamics. International Journal of Mechanical Sciences. 2018, 148. ISSN 0020-7403.

Key Partners