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The analysis of dynamics of time heteronymous weakly and strongly non-linear planetary transmission systems with kinematic couplings – gears constitutes a study of comp [...]
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Hlaváček, M.
The paper presents a critique of a squeeze-film lubrication model of the synovial joints with the fluid transport across the articular surface (J. S. Hou, V. C. Mow, W. M [...]
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Abstrakt: Method and results of numerical simulation of the elastohydrodynamic (EHD) lubrication of the profiled roller of finite length are presented. Peculiarities of t [...]
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Scuffing is a particularly severe form of gear tooth surface damage in which seizure or welding together of areas of tooth surfaces occurs, due to absence or breakdown of [...]
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Abstrakt: V příspěvku je porovnána logaritmická formulace pro modelování pryžových materiálů s klasickými materiálovými modely. Na příkladu jednoosé napj [...]
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Machine parts with non-conformal contact surfaces frequently operate in elastohydrodynamic or mixed regime of lubrication. In surroundings of asperities significant chang [...]
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This contribution is consider with computational modelling of oil film flow stability in long lemon, offset and lemon-offset uncavitated bearings. In this contribution is [...]
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Doležal, Zdeněk
Abstrakt: V příspěvku jsou uvedeny ukázky výsledků měření dynamických vlastností reduktoru leteckého turbovrtulového motoru M601, získané v rámci vývojov [...]
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The paper deals with a working prototype of a system for the active vibration control of journal bearings to prevent rotor instability due to the oil film. The controllab [...]
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The vibration amplitude of rotors excited by imbalance can be significantly reduced if damping devices are inserted between the rotor and its stationary part. To achieve [...]
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One of the possibility , how to reduce amplitude of transversal vibration of rotors is to put together their rotating and no-rotating part by the squeeze film dampers. In [...]
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14.
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Zapoměl, J.
The rotor systems consit of two principal components, of a rotor and of a stationary part, and the fluid film bearings are often used as coupling elements. As the clearan [...]
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One possibility how to decrease lateral vibration of rotors excited by imbalance of the rotating parts is to couple the shaft with the stationary part through squeeze fil [...]
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16.
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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17.
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Zapoměl, Jaroslav
Abstrakt: Rotors belong to the most frequently used components of machine devices. In a number of cases they are coupled with the stationary part through hydrodynamical b [...]
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