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Modelování směšování plazmatu vodní páry s parní atmosférou v tepelném plazmovém reaktoru
Hirka, Ivan ; Jeništa, Jiří ; Hrabovský, Milan
Two-dimensional CFD modelling of mixing of steam plasma jet with steam atmosphere in thermal plasma reactor has been carried out. Temperature of steam plasma is approximately 15 000 K and temperature of steam atmosphere is 400 K. Standard, RNG, and realizable k-e models were used for all simulations. Steam plasma and steam atmospheric properties were generated by the ADEP code. Results for temperature, velocity and density distributions are discussed and presented as images obtained from the FLUENT code, for currently used reactor geometry setup and plasma flow.
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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
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