1.
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The paper presents two numerical models applied to a dynamic problem of interaction between fluid and a tube made of a flexible material. In particular, we model a foil [...]
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2.
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Zamorowski, J.
Basing on formulae quoted in EC3 [1] concerning the rigidity indices of the fundamental parts of bent heading joints analogical formulae have been derived for slidable la [...]
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3.
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These problems were solved in past by Reynolds equation, which assumed a thin and a circular gap. A modification of Reynolds equation, a presumption of its derivation and [...]
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This paper describes a sensitivity analysis and spectral tuning method of selected design parameters of the large rotating systems. The method is based on the system deco [...]
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5.
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The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is v [...]
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6.
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The paper deals with the modelling of balancing machine vibration and the identification of the stiffness and damping coefficients of oil-film bearings. The real balancin [...]
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7.
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Ferfecki, P.
For the purpose of efficient diagnostics of fault conditions the influence of transverse fatigue crack on dynamical behaviour of a rotor system supported by active magnet [...]
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8.
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Donát, M.
The electromechanical interaction in rotating electric machines induces additional forces between the rotor and the stator. A simple electromechanical computational model [...]
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9.
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The paper deals with the modeling and evaluation of stability conditions of the balanced rotating system with rigid discs supported on two anisotropic hydrodynamic bearin [...]
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11.
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The contribution deals with a mathematical model of bending vibrations of a slender flexible rotor, excited by unbalance when passing the critical speed. The analysed rot [...]
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12.
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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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13.
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The presented paper describes the process of determination of eigen shapes and eigen frequencies of the structure with non-linear joint. The presented method uses three d [...]
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14.
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Hynek, Pavel
Abstrakt: This paper describes three modelling technique for rub related phenomena in rotor systems and compares their suitability for numerical simulation. Numerical tes [...]
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15.
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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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16.
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In this work there has been made an attempt to evaluate the influence of the base surface vibrations on the rotor balancing. Tests were made on a laboratory stand where a [...]
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18.
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This paper deals with the methodology of the modelling of rotating shafts with flexible disks. Rotating shafts are modelled as one dimensional continuum on the basis of [...]
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19.
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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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20.
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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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21.
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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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22.
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Malenovský, E.
This contribution deals with the overview of methods, which are used for analysis of dynamic behavior of rotor dynamics systems. The main of background research topics ar [...]
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