規則波中における網地の網目形状変化について

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書誌事項

タイトル別名
  • Changes in the Mesh Shape of Framed Plane Net Exposed to Regular Waves.
  • キソクハチュウ ニ オケル アミジ ノ アミメ ケイジョウ ヘンカ ニ ツイテ

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抄録

We studied the changes in mesh shapes, using simple models made of knotted and knotless nettings, to present basic data for mesh deformation. The models, the framed plane nets, were submerged parallel to the waves in a channel device. At one end of the upper corners of the model, two small load cells connected to a data recorded were used to measure the fluid force actting on the model. The motion of the framed plane nets was recorded by a video camera at 30 frames/sec. The vertical and horizontal displacements of the models were measured with a digitizer. The displacements of the models were affected by the fluid force, but the changes in the mesh openings were not proportional to the extent of displacement of the model. The results suggest that the changes in mesh opending are not affected by the kind of knot under the experimental conditions used here.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 57 (8), 1453-1456, 1991

    公益社団法人 日本水産学会

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