A232 アスペクト比の小さいTaylor渦流れにおける超音波を利用した速度計測(超音波・電磁波による熱流体計測1)

概要

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In this study, our purpose is to obtain instantaneous and mean velocity profiles in a Taylor-Couette vortex flow (TVF) by using a pulser receiver device based on a ultrasonic generator. 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 0.375, aspect ratio of 3 and the gap length between the inner and outer cylinders of 25mm. As the result, the velocity profiles and their absolute values were in good agreement with the ones obtained by 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.
一般社団法人日本機械学会の論文
2006-11-23