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Research on flow field of turbulent boundary between smooth and riblet surfaces

  • Northwestern Polytechnical University Xian

科研成果: 期刊稿件文章同行评审

1 引用 (Scopus)

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
30
6
出版状态已出版 - 6月 2009

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