Abstract
Precise information on the behavior of rising bubbles in molten metals is of essential importance for the enhancement of current metal-refining processes as well as the development of new refining processes agitated by gas injection. In particular, the total interfacial area between bubbles and molten metal is a key parameter, but it cannot be evaluated unless the shape of bubbles is given. Getting information on the shape of rising bubbles has been very difficult for nontransparent liquids. In this study, we developed a multineedle electroresistivity probe to detect the shape of bubbles rising in molten metal baths. The accuracy of the presently developed probe was examined for water-air and Wood’s metal-He systems using a conventional two-needle electroresistivity probe and a high-speed video camera.
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Iguchi, M., Nakatani, T. & Kawabata, H. Development of a multineedle electroresistivity probe for measuring bubble characteristics in molten metal baths. Metall Mater Trans B 28, 409–416 (1997). https://doi.org/10.1007/s11663-997-0106-3
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DOI: https://doi.org/10.1007/s11663-997-0106-3