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Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Multiphase flow simulation of mixing phenomena in a chemical reactor
 Novosád Kluknavská, Júlia ; Kožušník, Martin (oponent) ; Klas, Roman (vedoucí práce)
The Present Master Thesis deals with industrial mixing and CFD simulation thereof. The Thesis in qualitative terms covers a theoretical background of mixing processes, i.e. gives general overview of industrial mixers and their purposes, introduces the individual types of impellers and provides the basic recommendations for mixing apparatus geometry assembly. The main part of the Present Thesis is aimed at practical application of CFD simulation in industry. To create a physically correct CFD model it is necessary to validate it by an experiment. Hence, there was designed and performed one. The experiment captured water level shape influenced by vortex flow as well as recorded a dissolution time of solid crystalline matter. The same was simulated by CFD. Final comparison of CFD simulation and experiment resulted in agreement of water level shape and depth. The model for simulating a dissolution phenomenon correlates to the real physical process, but needs to be improved. The Thesis, however, contains description of a suitable way how to proceed to obtain a CFD model which covers dissolution of crystalline substances correctly in physical terms.
Úplný záznam
Multiphase flow simulation of mixing phenomena in a chemical reactor
 Novosád Kluknavská, Júlia ; Kožušník, Martin (oponent) ; Klas, Roman (vedoucí práce)
The Present Master Thesis deals with industrial mixing and CFD simulation thereof. The Thesis in qualitative terms covers a theoretical background of mixing processes, i.e. gives general overview of industrial mixers and their purposes, introduces the individual types of impellers and provides the basic recommendations for mixing apparatus geometry assembly. The main part of the Present Thesis is aimed at practical application of CFD simulation in industry. To create a physically correct CFD model it is necessary to validate it by an experiment. Hence, there was designed and performed one. The experiment captured water level shape influenced by vortex flow as well as recorded a dissolution time of solid crystalline matter. The same was simulated by CFD. Final comparison of CFD simulation and experiment resulted in agreement of water level shape and depth. The model for simulating a dissolution phenomenon correlates to the real physical process, but needs to be improved. The Thesis, however, contains description of a suitable way how to proceed to obtain a CFD model which covers dissolution of crystalline substances correctly in physical terms.
Úplný záznam

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