Development of shear stress sensor for Full-Scale Experiment

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  • 実船実験用局所せん断力計の開発
  • ジッセン ジッケンヨウ キョクショ センダンリョクケイ ノ カイハツ

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This paper describes the development of the shear stress sensor for full-scale ship experiment conducted in the SR239 project (1998-2001) of the Shipbuilding Research Association of Japan. In that project, the full-scale experiment had been planned since the first year. In this paper, the basic design of the sensor is discussed and.some results of preliminary experiments were shown. Based on those results, the seven sensors were used for full-scale experiment using a training ship "SEIUN MARU". The results of shear stress measurement with and without micrrobubbles are presented and discussed. At some place on the full scale ship surface, the large reduction of local skin friction is observed. The effect of the ship speed and the motion is discussed based on the results.

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