Violation of the Incompressibility of Liquid by Simple Shear Flow(Poster session 1, New Frontiers in Colloidal Physics : A Bridge between Micro- and Macroscopic Concepts in Soft Matter)
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概要
- 論文の詳細を見る
ずり粘性の密度依存性に起因する流れと密度揺らぎの結合を考慮に入れることによって、単純剪断流であっても、非圧縮性状態が破れうることを示す。ずり粘性の圧力に関する微分の逆数によって与えられる臨界剪断率を超えると、液体が力学的に不安定になりうることが示された。今回の結果から、非常に粘性の高い液体では、この剪断誘起不安定性が実験的に容易に実現しうる程度の剪断率でも起こると予測される。実際、高粘性の潤滑剤において観察された異常な剪断誘起不安定性を、今回の結果により説明できる。
- 物性研究刊行会の論文
- 2007-10-20
著者
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Tanaka Hajime
Institute of Industrial Science, University of Tokyo
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Furukawa Akira
Institute Of Industrial Science The University Of Tokyo
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Tanaka Hajime
Institute Of Industrail Science University Of Tokyo
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