Influence of the shape of baffles on the off-bottom suspension characteristics

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Influence of the shape of baffles on the off-bottom suspension characteristics

Popis výsledku v původním jazyce

The subject of this contribution is the determination of the complete suspension state for mechanical mixing of solid particles in liquid, and investigation of the power consumption for achieving this state. One part of experiments was carried out in thecylindrical, pilot-scale, flat-bottomed mixing vessel fitted with four standard baffles. The second one was carried out in the same mixing vessel but the vessel was fitted with four arrow-headed baffles. The purpose of this work is to compare the advantages of arrow-headed baffles with the standard baffles from the point of view of the impeller suspension efficiency. The six pitched-blade impeller was used in suspension experiments with both types of baffles used with the aim to determine the optimum impeller size and the optimum off-bottom clearance for the complete suspension. The results are presented in the form of suspension characteristics Fr´ = Fr´ (dp/D; cV), Pm = Pm (dp/D; cV), S = S (dp/D; cV). Abstrakt v angličtině (pokud an

Název v anglickém jazyce

Influence of the shape of baffles on the off-bottom suspension characteristics

Popis výsledku anglicky

The subject of this contribution is the determination of the complete suspension state for mechanical mixing of solid particles in liquid, and investigation of the power consumption for achieving this state. One part of experiments was carried out in thecylindrical, pilot-scale, flat-bottomed mixing vessel fitted with four standard baffles. The second one was carried out in the same mixing vessel but the vessel was fitted with four arrow-headed baffles. The purpose of this work is to compare the advantages of arrow-headed baffles with the standard baffles from the point of view of the impeller suspension efficiency. The six pitched-blade impeller was used in suspension experiments with both types of baffles used with the aim to determine the optimum impeller size and the optimum off-bottom clearance for the complete suspension. The results are presented in the form of suspension characteristics Fr´ = Fr´ (dp/D; cV), Pm = Pm (dp/D; cV), S = S (dp/D; cV). Abstrakt v angličtině (pokud an

Druh

D - Stať ve sborníku

CEP obor

CI - Průmyslová chemie a chemické inženýrství

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2003

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proc. of 30th Int. Conf. of Slovak Soc. of Chem. Engng, Tatranské Matliare 26.- 30.5.2003, CD-ROM

ISBN

80-227-1889-0

ISSN

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e-ISSN

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Počet stran výsledku

12

Strana od-do

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Název nakladatele

Slovak University of Technology

Místo vydání

Bratislava

Místo konání akce

Tatranské Matliare, Slovakia

Datum konání akce

26. 5. 2003

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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