0601 大規模曳航水槽実験における模型船船底での気泡挙動の可視化

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  • 0601 Visualization of bubble behavior beneath a model ship in large towing tank experiments

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We carried out large-scale towing tank experiments as an open flow system to elucidate spatial development of quasi-uniformly injected bubbles. Measurement results by a shear stress sensor indicated drag reduction by injecting bubbles into turbulent boundary layer developing on a flat plate, and visualized pictures showed spontaneous development of quasi-periodic distribution of bubbles at the corresponding parameters.

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