National Repository of Grey Literature 83 records found  beginprevious63 - 72nextend  jump to record: Search took 0.02 seconds. 
Mechatronics, robotisc and biomechanics 2003
Ehrenberger, Zdeněk ; Houfek, Lubomír ; Kratochvíl, Ctirad
Invited papers, abstracts of conference contributions from three dealing sections.
Engineering mechanics 2002
Houfek, Lubomír ; Krejčí, Petr ; Hlavoň, P.
Proceedings od papers of national conference with international participation.
Comparation of boundary condition on dynamic model of servo-fluid bearing
Houfek, Lubomír
On paper are comparised diferent types of boundary condition and its influence in behaviour of bearings.
Modelling of servo-fluid bearings
Houfek, Lubomír
In the paper is presented analysis of inflow and outflow in hydraulic coupling elements in rotor systems. The models of squeeze film damper and hydraulic bearing are developed now. For solutions is used control volume method. There are presented two models of boundary conditions - in segment and in volume. Three locations of eccentricity are solved - centered shaft position, 50
Influence of temperature on behaviour of magnetic drive with permanent magnets
Krejčí, Petr ; Houfek, Lubomír
This paper presents experimental results and suggests the design changes for elimination of temperature influence.
Possibilities of modelling of qualiti changing of liquid
Houfek, Lubomír
In paper is presented od modelling of quantity changes of liquids.
Modeling rotor dynamic systems with hydraulic coupling elements with variable quantity of fluids
Houfek, Lubomír ; Malenovský, E.
In the paper is presented analysis of inflow and outflow in hydraulic coupling elements in rotor systems. The models of squeeze film damper and hydraulic bearing are developed now. For solutions is used control volume method. There are presented two models of boundary conditions - in segment and in volume. Three locations of eccentricity are solved - centered shaft position, 50
Experimental and numerical analysis of magnetic drive
Houfek, Lubomír ; Fuis, Vladimír ; Krejčí, Petr
In paper is presented methods of numerical and experimental solution of magnetic drive.
Behaviour of magnetic drive for different number of magnetic pairs and temperatures
Houfek, Lubomír ; Fuis, Vladimír ; Krejčí, Petr
This paper concurs on our previous work in this problem. The mostly limited parameter for using magnetic drives is temperature. Permanent magnets can't use near Currie point, where it lost our magnetic features. Temperature changes under Currie point changes of magnetic properties of permanent magnets and changes of behavior of magnetic drives. The second main limited parameter is core pole factor. The magnitude of core pole factor relate with number of pairs of permanent magnet.

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12 Houfek, Lubomír
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