20309 キャビテーションを応用した気泡微細化装置に関する実験的研究(流れの計測と制御(2),OS6 流れの計測と制御)

概要

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We made microbubble generators of various shape and investigated the relation between the shape and the performance of the generators through experiment. The microbubble generators utilize cavitation for generating microbubbles. Air bubbles grow and collapse and turn into microbubbles while mixture of air and water flows through a tube with a throat. Image processing was used for measuring the bubble diameter and a high speed camera was used for observing the flow inside the tube made of acrylic resin. The experimental results have shown that the bubble diameter and the pressure loss depend on the generator type, and that the generator with a swirl vane and a target plate has the best overall performance.
社団法人日本機械学会の論文
2006-03-09