摘要
Measurements on velocity distributions in boundaries at the same point over smooth and riblet surface were carried out by means of hot-wire anemometer in low-speed wind tunnel. It was found that the riblet surface, having drag reducing effect, can increase near-wall flow velocity and decrease turbulent intensity, but have little influence on high-order moment by contrasting and analyzing the turbulence statistical average values, and have more than 10 percent drag-reduction by calculating momentum loss thickness.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 769-772 |
| 页数 | 4 |
| 期刊 | Binggong Xuebao/Acta Armamentarii |
| 卷 | 30 |
| 期 | 6 |
| 出版状态 | 已出版 - 6月 2009 |
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