Engineering Mechanics

International Conference

Proceedings Vol. 12 (2006)


May 15 – 18, 2006, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague

ISBN 80-86246-27-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Effect of ultrasound pulsations on suspension sedimentation
A. Suchánková, B. Kysela, Z. Chára, P. Ditl
pages 336 - +7p., full text

The paper presents results of a gravity settling of a model suspension. Experiments have been carried out for two configurations. The first experiment involved natural gravity settling in the second case the ultrasound pulsations were introduced. Ultrasound field was provided by 20 kHz horn acting through a wall of settling vessel. Three kaolin suspensions of volume concentrations 3.8, 7.6, 11.4 % were used. It has been found that there is no significant influence of ultrasound pulsations on suspension settling. It can be stated that the ultrasound is not convenient neither for an application where acceleration of settling time is desired nor for extending off bottom suspension time.

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All papers were reviewed by members of the scientific committee.

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