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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
A simplified model of the pad deformation of the journal bearing
 Janiš, Tomáš ; Cabaj, Gabriel (referee) ; Pokorný, Jan (advisor)
The presented bachelor thesis deals with the calculation of deflection of a pad of a hydrodynamic radial bearing with tilting pads. This type of bearing is described by its characteristics, which are determined by means of simulations. Knowledge of these characteristics is important for predicting the behaviour of bearings in service and for the design of equipment using these bearings. The bearing characteristics are strongly dependent on the thickness of the lubricating film. This is in fact very thin and is therefore affected by the slightest deflection of the pad. This paper therefore deals with the calculation of pad deflection. With this calculation, the effect of pad deflection can then be included in downstream simulations to determine the bearing characteristics. The inclusion of this effect results in more accurate simulations. For this reason, a computational model of bearing pad deflection is developed. This model is based on the differential equation of the deflection line assuming small deformations. The temperature effects due to lubricant heating and the pressure effects due to bearing pad loading are included in this calculation. The deflection results from these loads are further compared with the results obtained by the finite element method. This comparison did not achieve the required compliance.
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