Stability of sand-water boundary in pipes
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- SEKI Yohei
- 北海道大学大学院工学研究科
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- IZUMI Norihiro
- 北海道大学大学院工学研究科
Bibliographic Information
- Other Title
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- 管路における砂‐水界面の安定性
- カンロ ニ オケル スナ ミズ カイメン ノ アンテイセイ
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Abstract
It is commonly known that the flat bed is unstable in open channels in the range of small and large Froude numbers, in which the presence of the free water surface is important to the instability. However, instability of the flat bed without free water surface has not been well understood. In this study, we perform a linear stability analysis of the boundary between sediment and water in pipes transporting sediment with the use of the mixing length turbulent model. The analysis reveals that the governing parameter is the Euler number, and that the boundary is unstable in the range of relatively small Euler numbers.
Journal
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- Journal of applied mechanics
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Journal of applied mechanics 11 753-760, 2008
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390282680184452480
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- NII Article ID
- 130004091289
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- NII Book ID
- AA11311063
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- ISSN
- 1884832X
- 13459139
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- NDL BIB ID
- 9667415
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed