書誌事項
- タイトル別名
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- Intensity and Probability Density Distribution of Turbulence in a Fully Developed Square Duct Flow.
- セイホウケイカンナイリュウ ノ ミダレツヨサ ト ミダレ ノ カクリツ ミツド
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The turbulent velocity components and their probability density distributions were measured throughout the cross-sectional area in the fully developed turbulent flow through a square duct at Re≒7000 using LDV. The purpose of this work was to obtain data of value to engineers interested in the testing of a turbulent flow simulation model on a complicated flow pattern under a simple boundary condition. At this Reynolds number, the measured profiles of turbulent intensity near the wall bisector were in good agreement with Kim et al.'s results of direct numerical simulation on the two-dimensional channel flow. For higher moments of turbulent velocity such as a skewness factor and a flatness factor, this agreement tends to be confined to the region adjecent to a wall. The flow field affected by the side wall was specified and the aspects of probability density of turbulence in this region were made clear through the measurements. Also, the velocity vector diagram of secondary flow was obtained. These results will contribute to a comprehension of turbulent flow in a square duct.
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 57 (542), 3616-3621, 1991
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
- 1390001205893406080
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- NII論文ID
- 130004220161
- 110002390205
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 3739064
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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