書誌事項
- タイトル別名
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- Unsteady Flow of Viscoelastic Fluid Modeled by Beeds, Springs and Dampers.
- タマ バネ ダンパマクロ モデル ニ ヨル ネンダンセイ リュウタイ ノ ヒテイジョウ リュウドウ カイセキ
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抄録
Flow of viscoelastic fluid is commonly analyzed by using constitutive equations. In this paper, bead-spring-damper macro model is proposed as an alternative to analyze viscoelastic flow. The tetrahedral structure of beads, springs and dampers models a gathering of interwined polymer chains. Behavior of the bead-spring-damper structure is computed under start-up flow, stop flow and oscillatory flow conditions. Stress overshoot, stress relaxation, dynamic viscosity and dynamic modulus are investigated. The results show that the effect of elasticity appears strongly in the unsteady flow, and that the bead-spring-damper macro model can express characteristics of viscoelastic fluid consistently.
収録刊行物
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- 日本機械学会論文集B編
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日本機械学会論文集B編 66 (645), 1287-1294, 2000
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
- 1390001206183393792
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- NII論文ID
- 110002393048
- 130004223832
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 5349171
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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
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- 使用不可