Investigations on wet instable foams
The suitability to use needle shaped conductivity probes for investigations on wet foams was tested. This was done in experiments on a bubble column for different alcoholic solutions aerated by air. The investigations include a comparison with other measuring methods. In the result it was shown, that such probes are suitable for the measurements. Characteristic parameter were obtained for different foams and compared with data from literature (if available).
Kern, T.; Neues Verfahren zur Untersuchung wässriger Schäume, Dissertation, Universität Paderborn, Shaker Verlag 2002, ISBN 3-8322-0234-X
Kern, T.; Prasser, H.-M., Study of the Foaming Behaviour of a Bubble Column, 5th German-Japanese Symposium "Bubble Columns", 28-30 May 2000, Dresden, Germany, proceedings pp. 162-167.
Kern, T., Void fraction measurement in foams using needle shaped conductivity probes, The Second European Congress on Chemical Engineering: "Chemical Engineering for competitiveness and employment in process industries", 5-7 October 1999, Montpellier, France, proceedings on CD-ROM, 09010004.pdf.