常見(jiàn)例句Through the numerical simulation investigation, the turbulent drag redaction mechanism above shark riblets surface was explored. 摘要通過(guò)對(duì)鯊魚溝槽表面特殊流場(chǎng)的數(shù)值仿真研究,探討了溝槽表面存在減阻效果的內(nèi)在機(jī)理。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(yīng)用熱線測(cè)速技術(shù),對(duì)溝槽壁面平板湍流邊界層的減阻機(jī)理進(jìn)行了實(shí)驗(yàn)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(shí)還對(duì)7種壓力梯度下溝槽表面流場(chǎng)進(jìn)行模擬,研究了壓力梯度對(duì)減阻效果的影響。Based on the theoretical investigation on the drag reduction of riblets surface,lots of water tunnel experimental research were carried out on gyroidal objects,which there are riblets on the surfaces. 本文在條紋溝槽表面減阻理論分析的基礎(chǔ)上,對(duì)條紋溝槽表面回轉(zhuǎn)體進(jìn)行了大量的水洞實(shí)驗(yàn)研究。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(gòu)為模板,采用復(fù)型翻模法和電鑄法,在高分子表面進(jìn)行表面微結(jié)構(gòu)的復(fù)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 返回 riblets