查询词典 riblet

In this review placoid scale's structure, shapes and the drag-reduction function of its riblet surfaces are introduced.

这种沟槽形态的鲨鱼盾鳞肋条结构具有良好的减阻作用。

Distribution of mean velocity, distribution of turbulence intensity and microstructure of turbulent boundary layer of riblet surface were obtained.

针对脊状表面流场的特点，通过实验测量和数值模拟的方法对脊状表面微观流场进行了深入研究，获得了脊状表面湍流边界层的时均速度分布曲线、湍流度分布曲线和微观流场结构。

Riblet surface' flow field were tested separately in low speed wind tunnel and distribution of turbulent boundary layer flow parameters was obtained.

在低速风洞中对制备的脊状表面进行流场测试，获得了其湍流边界层内流动参数的分布情况。

In order to get virtual origin and friction velocity of riblet surface,experimental data is managed based on Musker flow velocity distribution formula.

为了获取脊状表面的虚拟原点和摩擦速度，尝试运用Musker全壁面律公式的回归拟合方法对实验数据进行处理。

In order to study drag reduction characteristics of riblet surface, two kind of different size's rible surface were manufactured on aluminum alloy using quasi-LIGA molding technology.

为了研究脊状表面的减阻特性，利用准LIGA成形技术在铝合金表面加工了两种不同尺寸的矩形脊状结构。

Bottom: Plan view and cross section of a bionic shark skin (riblet film made by 3M) for reducing resistance on aircraft.

底部：计划和跨期的仿生鲨鱼皮节（里布莱特电影3M公司制造）为减少飞机的阻力。

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.

以鲨鱼皮表面的盾甲鳞结构为模板，采用复型翻模法和电铸法，在高分子表面进行表面微结构的复制。

Test results showed that the bionic nonsmooth structures on the tail of the models can obviously reduce the drag due to the pressure drop, especially for the model riblet nonsmooth form, its pressure drag was reduced by 25.3%, and its total drag was reduced by 11.12%.

试验结果表明，布置在尾部的非光滑结构能够有效地降低模型的压差阻力，尤其是棱纹状非光滑形态模型，压差阻力降低了25.3%，总阻力降低了11.12%。

Investigation into the drag-reduction mechanism of riblet surfaces makes placoid scale a perfect object to biomaterial research.

鲨鱼体表覆有一层细小的盾鳞，盾鳞上的脊状突起称为肋条，肋条之间构成具圆弧底的沟槽。

Dopting 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.

bstract 以鲨鱼皮表面的盾甲鳞结构为模板，采用复型翻模法和电铸法，在高分子表面进行表面微结构的复制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。