| Item type |
テクニカルレポート / Technical Report(1) |
| 公開日 |
2015-03-26 |
| タイトル |
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|
タイトル |
正方形ベンド内流れの数値解析 |
| 言語 |
|
|
言語 |
jpn |
| 資源タイプ |
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|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_18gh |
|
資源タイプ |
technical report |
| その他のタイトル（英） |
|
|
その他のタイトル |
Numerical Treatment of Laminar Flow in Curved Rectangular Channels with Inlet and Outlet Straight Region |
| 著者 |
山田, 仁
石垣, 博
望月, 宗和
Yamada, Hitoshi
Ishigaki, Hiroshi
Mochizuki, Munekazu
|
| 著者所属 |
|
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|
航空宇宙技術研究所角田支所 |
| 著者所属 |
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航空宇宙技術研究所角田支所 |
| 著者所属 |
|
|
|
航空宇宙技術研究所角田支所 |
| 著者所属（英） |
|
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|
en |
|
|
National Aerospace Laboratory, Kakuda Research Center |
| 著者所属（英） |
|
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|
en |
|
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National Aerospace Laboratory, Kakuda Research Center |
| 著者所属（英） |
|
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|
en |
|
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National Aerospace Laboratory, Kakuda Research Center |
| 出版者 |
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出版者 |
航空宇宙技術研究所 |
| 出版者（英） |
|
|
出版者 |
National Aerospace Laboratory(NAL) |
| 書誌情報 |
航空宇宙技術研究所特別資料
en : Special Publication of National Aerospace Laboratory SP-16
巻 16,
p. 197-204,
発行日 1991-12
|
| 抄録（英） |
|
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内容記述タイプ |
Other |
|
内容記述 |
Developing laminar fluid flow in a curved square duct with inlet and outlet straight regions was studied numerically by using finite difference method. A power law scheme, a control method were used inside the computational domain. In this study, three bends were calculated, two were a 90 degree bend, and one was a 180 degree bend. 90degrees bend flow had an one-pair vortex secondary flow but In the case of 180 degree bend, it had a two-pair vortex at higher degree regions than 120 degrees from the duct inlet, which was caused by centrifugal force instability. Experimental data, of Shirakami, Inoue (90 degrees bend) and Humphrey (90 degrees bend) and Hille ( 180 degrees bend) were compared with the calculated results. In the case of 90 degree bend, calculated results showed a good agreement with experimental results. In the case of 180 degree bend, it had also a good agreement, except the inlet and outlet region of the curved duct. This was considered that the inlet velocity was different from the experiment and we assumed that the duct flow had symmetric characteristics. However Hille's flow had an asymmetric vortex pattern across the duct section. |
| ISSN |
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収録物識別子タイプ |
ISSN |
|
収録物識別子 |
0289-260X |
| 書誌レコードID |
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収録物識別子タイプ |
NCID |
|
収録物識別子 |
AN10097345 |
| 資料番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
資料番号: NALSP0016031 |
| レポート番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
レポート番号: NAL SP-16 |
nalsp0016031.pdf (564.6 kB)
