The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2009
Session ID : 1803
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1803 Ultrasonic measurement of Taylor-Couette vortex flow with small aspect ratio
Hideki KAWAIHiroaki KOBAYASHIHiroshige KIKURAMasanori ARITOMI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
In this study, our purpose is to obtain instantaneous and mean velocity profiles in a Taylor-Couette vortex flow(TVF) by using a ultrasonic measurement system. The experiment was carried out with a small aspect ratio where the Ekman boundary layer was not neglected. The device has a radial ratio of 0.667 or 0.375, aspect ratio of 3 and the gap length between the inner and outer cylinders of 25mm. The mean velocity profiles and their absolute values were in good agreement with those obtained with the ultrasonic velocity profiler (UVP). This measurement system was applied to the solid-liquid phase flow experimentally, and well measured even in the opaque dilute solution.
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© 2009 The Japan Society of Mechanical Engineers
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