書誌事項
- タイトル別名
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- Falling, Rolling or Sliding of Gravel in Rest Water in a Vertical or Inclined Smooth Pipe
- カツカンナイ セイスイ チュウ ニ オケル サレキ ノ チンコウ , テンドウ オヨビ カツドウ
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抄録
Falling, rolling or sliding motion and the descending velocity of a grain of gravel in rest water in a vertical or inclined smooth pipe were investigated. The diameter of the grain was about 1∼5 mm, and the pipe was of a transparent hard vinyl, 38.5 mm in inner diameter. The formula which expressed the descending velocity considering the shape of the grain was theoretically established. From this formula and the experimental results, the kinetic coefficient of friction between the pipe wall and grain in the case of rolling or sliding was calculated. The static coefficient of friction was also measured and compared with the kinetic one. As a result, it was found that the frictional character of the pipe wall was similar to that of brass, and the sliding or rolling coefficient of friction showed respectively about one half or one third of the static coefficient
収録刊行物
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- 日本機械学會論文集
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日本機械学會論文集 30 (213), 594-597, 1964
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001205157626880
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- NII論文ID
- 110002462763
- 110002352050
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- NII書誌ID
- AN00187419
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- ISSN
- 21859485
- 24242675
- 00290270
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- HANDLE
- 10076/8652
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- NDL書誌ID
- 9151359
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可