常見例句The measurement technique of constant temperature anemometry was used to study experimentally the mechanism of drag reduction in turbulent boundary layer with riblet surface. 摘要應用熱線測速技術,對溝槽壁面平板湍流邊界層的減阻機理進行了實驗研究。In addition, numerical simulations of turbulent flow over riblet surface are carried out in 7 kinds of pressure gradients.The effect of pressure gradient is analyzed. 同時還對7種壓力梯度下溝槽表面流場進行模擬,研究了壓力梯度對減阻效果的影響。Adopting the riblet structure of sharkskin as a templet, two ways of micro-replication, replicated moulding and electroforming, were used to replicate the microstructure on the surface of a polymer. 摘要以鯊魚皮表面的盾甲鱗結(jié)構為模板,采用復型翻模法和電鑄法,在高分子表面進行表面微結(jié)構的復制。Research on the Optimum Angle of the V-shaped Riblet in the Channel V形肋條減阻最佳夾角的探討based on the former achievement and some assumption, the supreme angle about the V-shaped riblet is derived. 作者根據(jù)前人成果和一些假定推導出了V形肋條底部的最佳夾角,從參考文獻的數(shù)據(jù)來看,文章結(jié)果具有合理性。riblet structure 溝槽(盾甲鱗)結(jié)構 返回 riblet