Drag Reduction Effect of Microbubbles

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  • マイクロバブルによる抵抗低減効果

Abstract

<p>There has been much research about drag reduction effect by utilizing microbubbles, but the principle has not yet been fully understood. The purpose of this study is to investigate how microbubble characteristics affect the drag reduction effect. In this study, the streamlined object was dropped freely into the water tank and its acceleration was measured. Drag was calculated by multiplying mass by acceleration. As a result, drag reduction effect was confirmed when microbubbles existed in the water.</p>

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