riblets

与riblets相关的网络例句 [注：此内容来源于网络，仅供参考]

Experimental results show that the vehicle models with transverse riblets surface have obvious drag reduction effect under certain velocity range, the maximal drag reduction effect is 23.5%.

实验结果表明，具有横向脊状表面的航行器模型在一定来流速度范围内具有很好的减阻效果，实验获得的最大减阻量为23.5%。

Using conformal mapping, the longitudinal protrusion height and the lateral protrusion height on the V-grooved surfaces are given, on this basis, some drag reducing features in parallel-flow, cross-flow and enlarge- flow are presented and analyzed; In addition, drag reducing features with blade-shaped grooves and U-shaped grooves are discussed, consequently, the riblets designing criterions are suggested which will reduce the drag and noise most effectively underwater.

3利用保角变换方法求出V—型条纹的纵向和横向突出高度，在此基础上得出纵向流、横向流和带角度流动时的降阻特性，并分析结果；而且分析了叶片型条纹和U—型条纹表面上的降阻情况，提出水下具有最佳降阻效果的条纹表面设计准则。

The near field and radiation field of flow noise are analyzed, and the noise reducing features of riblets are deduced.

5在分析流噪声的近、远场特性的基础上，进一步研究条纹表面的降噪特性。

These results have very important referenced values to simulative calculations and experimental researches on drag and noise reduction with riblets under water.

本文的研究内容对随行波表面水下减阻降噪的仿真模拟计算和实验研究具有重要的参考价值。

In this paper, a theoretical investigation of the drag and noise reduction by riblets is carried out, and these numerical results are compared with those obtained from experiments with riblets in water tunnel, and it is found that they agree with each other in tendency and numerical value.

本文从理论上分析了条纹表面的减阻降噪特性，并将计算结果与水洞模型贴膜实验进行了对比，两者在趋势和数值上基本一致。