An Effect of the Eccentric Position of the Propeller Agitator on the Mixing Time

Karcz, J. and Szoplik, J. An Effect of the Eccentric Position of the Propeller Agitator on the Mixing Time Chemical Papers, Vol.58, No. 1, 2004, 9-14

Document type: ńĆl√°nok z ńćasopisu / Journal Article
Collection: Chemical papers  
 
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Author(s) Karcz, J.
Szoplik, J.
Title An Effect of the Eccentric Position of the Propeller Agitator on the Mixing Time
Journal name Chemical Papers
Publication date 2004
Year available 2004
Volume number 58
Issue number 1
ISSN 0366-6352
Start page 9
End page 14
Place of publication Poland
Publisher Versita
Collection year 2004
Language english
Subject 290000 Engineering and Technology
290600 Chemical Engineering
Abstract/Summary An effect of the eccentric position of the propeller agitator on the mixing time was studied. The case of the upward and downward pumping mode of the single and double propeller agitators, located eccentrically in the 0.27 m3 cylindrical vessel was analyzed. Tracer experiments were used to determine the mixing time. Measurements were conducted within the turbulent regime of the Newtonian liquid flow in agitated vessel. In comparison with the data obtained for the centric position of the propeller, mixing time decreases with the increase of the eccentricity and number of the impellers. Pumping mode of the propeller affects also the mixing time, especially when the liquid is agitated by means of the impeller located in the centric position in the agitated vessel. The results of the dimensionless mixing time őė , obtained within the range of the performed measurements, are described mathematically (eqns (1) and (2)).
 
 
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Created: Mon, 21 Dec 2009, 11:14:22 CET by Iveta Drtilov√° . Detailed History