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Advanced Methods for the Solution of Journal Bearing Dynamics
 Maršálek, Ondřej ; Louda,, Petr (oponent) ; Furch, Jan (oponent) ; Novotný, Pavel (vedoucí práce)
The scope of this dissertation is the description of a complex and generally applicable strategy for computational modelling of slide bearing in mixed lubrication regime. Also taking into consideration real pattern of rough surfaces of both slide bearing parts – bearing shells and bearing pins. Detailed ways to get characteristic data describing rough surfaces and the description of numerical algorithm used for subsequent surface data processing are listed in this doctoral thesis. Furthermore, all the implemented computational models for contact pressure modelling are discussed. The impact on hydrodynamic lubrication layer of slide bearings is given by the size and trend of flow factors, whose numerical determination is also described in detail in this thesis. Alternative assessment of flow factors using analytical equations is also listed for the completeness. In the closing section of this thesis a description of the numerical solver of slide bearing behaviour is included, together with stated and discussed results of realised simulations. The verification of individual computational models and the comparison of their results are presented in relevant chapters.
Úplný záznam
Advanced Methods for the Solution of Journal Bearing Dynamics
 Maršálek, Ondřej ; Louda,, Petr (oponent) ; Furch, Jan (oponent) ; Novotný, Pavel (vedoucí práce)
The scope of this dissertation is the description of a complex and generally applicable strategy for computational modelling of slide bearing in mixed lubrication regime. Also taking into consideration real pattern of rough surfaces of both slide bearing parts – bearing shells and bearing pins. Detailed ways to get characteristic data describing rough surfaces and the description of numerical algorithm used for subsequent surface data processing are listed in this doctoral thesis. Furthermore, all the implemented computational models for contact pressure modelling are discussed. The impact on hydrodynamic lubrication layer of slide bearings is given by the size and trend of flow factors, whose numerical determination is also described in detail in this thesis. Alternative assessment of flow factors using analytical equations is also listed for the completeness. In the closing section of this thesis a description of the numerical solver of slide bearing behaviour is included, together with stated and discussed results of realised simulations. The verification of individual computational models and the comparison of their results are presented in relevant chapters.
Úplný záznam

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