流体工学部門講演会講演論文集
Online ISSN : 2424-2896
セッションID: 0213
会議情報
0213 ジャイロミル型気泡発生装置に関する流れの可視化実験
塚原 嵩博濱 紀子熊谷 一郎緒方 正幸田坂 裕司村井 祐一
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抄録
Aimed at reducing power consumption by subsurface aerator, a gyromill type bubble generator was developed based on bubble generating hydrofoils for ship drag reduction. This device utilizes the negative pressure region generated on the surface of the rotating hydrofoil, which enables the subsurface aeration without air compression. Small air bubbles with the diameter from sub-mm to mm order were released from an air outlet of the rotating hydrofoil. In this study, the bubble generation process and the performance of the bubble generator were investigated. In particular, the influence of rotating speed, water depth, and angle of attack on the bubble volume flow rate were reported.
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