書誌事項
- タイトル別名
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- Orientation and Concentration Distributions of Short Fibers in Concentrated Suspension Flow through a Slit Channel with a Sudden Expansion: Effects of Fiber-Fiber Interaction and Polymer.
- キュウカクダイブ オ ユウスル スリット リュウロ オ ナガレル タンセンイ ノウコウ ブンサン リュウタイ チュウ ノ センイハイコウ ト ノウド ブンプ センイ カン カンショウ ト コウブンシ ノ エイキョウ
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Distributions of fiber orientation and fiber concentration were measured in the flow of a concentrated fiber suspension through a slit channel with a sudden expansion. The suspending fluids are a 200ppm solution of polyacrylamide and a Newtonian fluid. For a concentrated fiber suspension in the polymer solution, the fibers rapidly orient in the direction perpendicular to the flow direction just downstream of the expansion. Moreover, the fiber orientation in the polymer solution has a distribution similar to that in the Newtonian fluid. These sudden changes in orientation at the expansion are due to fiber fiber interaction. For a dilute fiber suspension in the polymer solution, the fiber orientation is greatly different from that in the Newtonian fluid at the expansion and in the downstream region, which is caused by a large elongational viscosity of polymer solution. Therefore, in the concentrated suspension, it was found that fiber fiber interaction strongly affects the distribution of fiber orientation in the expansion flow, while the elongational viscosity has little effect on it. On the other hand, polymers had little effect on the fiber concentration distribution. Thus fiber concentration is caused only by fiber-fiber interaction.
収録刊行物
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- 日本機械学会論文集C編
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日本機械学会論文集C編 67 (662), 3363-3369, 2001
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
- 1390282681334393984
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- NII論文ID
- 110002550822
- 130004234246
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- NII書誌ID
- AN00187463
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- COI
- 1:CAS:528:DC%2BD38Xit1eisQ%3D%3D
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- ISSN
- 18848354
- 03875024
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- NDL書誌ID
- 5953982
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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
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可