{"created":"2023-06-19T09:11:18.135439+00:00","id":22987,"links":{},"metadata":{"_buckets":{"deposit":"e5713332-37fa-42d5-9f57-31ce89b075ae"},"_deposit":{"created_by":1,"id":"22987","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"22987"},"status":"published"},"_oai":{"id":"oai:kumadai.repo.nii.ac.jp:00022987","sets":["426:428"]},"author_link":["146997","23259","146988","146989"],"item_16_alternative_title_22":{"attribute_name":"その他の言語のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"A Study on Drag-Reducing Effect of Surfactant Solutions and Phenomenon of Vortex Oscillation in a Swirling Pipe Flow"}]},"item_16_alternative_title_23":{"attribute_name":"タイトル(ヨミ)","attribute_value_mlt":[{"subitem_alternative_title":"エンカンナイ センカイリュウ ニ オケル カイメン カッセイザイ ニ ヨル テイコウ テイゲン コウカ ト ウズフレマワリ ゲンショウ ニ カンスル 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本研究は、界面活性剤を添加した溶液の円管内旋回流について調査し、その抵抗低減効果と旋回流特有の渦振れ回り現象について調査することを目的とする。対象とする流れ場は、管入口に設置された案内羽根型の旋回流発生装置によって旋回流が形成されるため、旋回の減衰を伴いながら下流に流れていく。レーザードップラー流速計(LDV)で計測した速度変動から渦振れ回り現象について解析した結果を速度分布や乱れ強さの分布の軸方向変化およびスワール数の減衰特性などと比較検討し、界面活性剤による抵抗低減旋回流れの構造について考察する。","subitem_description_type":"Other"}]},"item_16_description_77":{"attribute_name":"URL","attribute_value_mlt":[{"subitem_description":"http://ci.nii.ac.jp/naid/110002497931@@@http://www.jsme.or.jp","subitem_description_type":"Other"}]},"item_16_publisher_36":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人 日本機械学会"}]},"item_16_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"社団法人 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