| 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 |
An Experimental Study of Laminar Flow Control Airfoil with Suction Through Perforated Surface at Low Speed |
|
言語 |
en |
| 言語 |
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言語 |
eng |
| 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 |
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資源タイプ |
technical report |
| その他のタイトル |
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その他のタイトル |
多孔表面からの吸込みによる二次元層流制御翼の低速における実験的研究 |
| 著者 |
石田, 洋治
野口, 正芳
ISHIDA, Yoji
NOGUCHI, Masayoshi
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| 著者所属 |
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航空宇宙技術研究所空気力学第二部 |
| 著者所属 |
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航空宇宙技術研究所空気力学第二部 |
| 著者所属（英） |
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en |
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Second Aerodynamics Division, National Aerospace Laboratory(NAL) |
| 著者所属（英） |
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en |
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Second Aerodynamics Division, National Aerospace Laboratory(NAL) |
| 出版者 |
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出版者 |
航空宇宙技術研究所 |
| 出版者（英） |
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出版者 |
National Aerospace Laboratory(NAL) |
| 書誌情報 |
航空宇宙技術研究所報告
en : Technical Report of National Aerospace Laboratory TR-967
巻 967,
p. 15,
発行日 1988-03
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| 抄録（英） |
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内容記述タイプ |
Other |
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内容記述 |
We made an experimental study of a laminar flow control airfoil with suction through a perforated surface at low speed. The airfoil section was designed to be a natural laminar flow airfoil which can delay the boundary layer transition as far downstream as possible. The effects of suction quantity and the position of sucked area on transition delay were examined. It was found that a very small amount of suction was able to delay the transition from x/c=0.674 to 0.913 and to reduce the profile drag about 18 percent compared with the case of zero suction at Rc of 6.7 × 10(exp 5). It was also observed that application of the suction near and downstream of the natural transition point had a very large effect on delaying the transition point; but on the other hand, application upstream of the point had very little effect. Theoretical calculation based on an equivalent uniform suction assumption showed good agreement with the experimental results. Michel’s criterion, which was originally developed for layers without suction, has given at least qualitatively correct results even for layers with suction. |
| ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
0389-4010 |
| 資料番号 |
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内容記述タイプ |
Other |
|
内容記述 |
資料番号: NALTR0967000 |
| 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 TR-967 |
naltr00967.pdf (1.5 MB)
