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	Hydrodynamics of Thin-Gap Reactor Křišťál, Jiří ; Havlica, Jaromír ; Jiřičný, Vladimír Detailed record
	Hydrodynamické chování protiproudé probublávané a náplňové kolony v serii Ondráček, Jakub ; Jiřičný, Vladimír This work presents a study of new apparatus arrangement with the bubble bed and the packed incorporated in one device. The bubble bed is developed during the operation of packed bed in a counter-current flow regime above the flooding point. Detailed record
	Experimentální sledování a model popisující jev překmitu v protiproudé náplňové koloně v okolí bodu zahlcení Svoboda, Petr ; Staněk, Vladimír This paper present the mathematical model of gas-liquid counter-current packed bed column and solves it numerically for conditions of high gas-liquid flow interactions. The results of the solutions exhibiting the overshoots of both liquid holdup, pressure profile and pressure drop are then presented. Some of the results are the compared with the experimentally observed overshoots. Detailed record
	Kvalitativní analýza a řízení v závislosti na vstupních úodmínkách modelu protiproudé plněné kolony Akramov, T. A. ; Jiřičný, Vladimír ; Staněk, Vladimír In recent papers a mathematical model of the transients of the hydrodynamic of counter-current column was formulated. It was used for describing the overshoot phenomenon on the transient profiles of liquid holdup. These overshoots were observed experimentally when the bed was exposed to a sudden increase of either gas or liquid inlet velocity. Another condition for the appearance of the overshoots was that the step change in inlet velocity brings the system in proximity of the flooding point. The formulated model could under some conditions give a good description of the time behavior of the mean liquid holdup. In particular this model is capable of predicting and describing the conditions of the overshoot phenomenon after an imposed change of inlet velocity of liquid or gas. The problem now is to find out the response of the system periodical step changes in inlets velocity of gas or liquid. . Detailed record
	Kvalitativní a numerická analýza periodických režimů v protiproudém chemickém reaktoru Akramov, T. ; Nazmutdinova, L. R. ; Staněk, Vladimír Mathematical model of counter current reaction system with chemical reaction is analyzed mathematically and by solving the model numerically. It is shown that the system may epperience peridoc oscillations of the conecntration even if the inlet streams are kept steady. Detailed record

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