書誌事項
- タイトル別名
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- Transient Natural Convection of Water around a Cylinder in a Rectangular Cavity. Effect of the Density Inversion on Cooling of Water.
- クケイ ヨウキナイ ニ オカレタ エントウ マワリ ノ ミズ ノ ヒテイジョウ
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Transient natural convection in water around a cooled horizontal cylinder placed at the center of a rectangular enclosure has been studied. The governing equations were solved by a finite difference method, and the flow structure and temperature distributions have been predicted. The purpose of the present study was to examine the effects of the density inversion of water and the initial temperature of water on the cooling process of water. The initial water temperature was varied 4, 6, 8 and 12°C, and the timewise variations of the temperature field and the velocity field as well as the mean and local Nusselt numbers on the cylinder surface were compared. The change in the initial water temperature largely affects fluid flows due to the density inversion of water. Complicated flow patterns are observed for initial water temperatures larger than 4°C. The cooling of water is most effective for an initial water temperature of 12°C.
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 63 (610), 2142-2147, 1997
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
- 1390282680872158720
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- NII論文ID
- 130004222622
- 110002396437
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 4236663
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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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- 抄録ライセンスフラグ
- 使用不可