Engineering Mechanics

Proceedings Vol. 12 (2006)

ENGINEERING MECHANICS 2006

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 15 – 18, 2006, Svratka, Czech Republic

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Editors: Jiří Náprstek and Cyril Fischer

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

list of papers scientific commitee

Optical set-up for small volume of liquid surface tension measurement

J. Hošek, K. Studenovský
pages 110 - +10p., full text

For the measurement ofproperties of the metastabile super cooled water it is necessary to work with as small sample as possible, due to the fact, that probability of appearance of any ice nucleus is proportional to the sample volume in a period of time. The appropriate experimental method of the minimum volume surface tension measurement seems to be a sophisticated method devised by Furgeson (1924). This method is based on optical observation of liquid meniscus at the open end of the capillary. The goal of the presented work is to optimize the experimental set-up of the end-tip meniscus planarity observation and detection. A new, compact and sensitive experimental optical set-up is designed for the meniscus planarity measurement.

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Engineering Mechanics

International Conference

Proceedings Vol. 12 (2006)

ENGINEERING MECHANICS 2006