Flow and temperature measurement of natural convection in a Hele-Shaw cell using a thermo-sensitive liquid-crystal tracer |
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| Authors: | M. Ozawa U. Müller I. Kimura T. Takamori |
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| Affiliation: | (1) Faculty of Engineering, Kansai University, Yamate-cho 3-3-35, Suita, 564 Osaka, Japan;(2) Kernforschungszentrum Karlsruhe, Institut für Angewandte Thermo- und Fluiddynamik, Postfach 36 40, W-7500, 1 Karlsruhe, FRG;(3) Faculty of Engineering, Kobe University, Rokkodai-cho, Nada, 657 Kobe, Japan |
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| Abstract: | The temperature and flow field of natural convection in a Hele-Shaw cell is visualized by using a liquid-crystal tracer. The tracer photographs obtained by this method are compared with the interferograms of previous experiments using the same experimental setup, and the applicability of the present methods is validated. Quantitative data of the temperature and velocity were obtained by applying a colour-image-processing technique to the visualized images.This investigation was partly carried out during the stay of M. Ozawa in the Institut für Angewandte Thermo- und Fluiddynamik, Kernforschungszentrum Karlsruhe with the support of the Alexander-von-Humboldt-Stiftung |
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