The speed of downstream propagating pressure waves in the separated boundary layer is consistent with the convection speed of the coherent vortical structures.
在边界层分离区中,压力波向下游传播的速度与相干结构的运动速度基本一致。
参考来源 - 具有激波和湍流旋涡分离的可压缩绕流数值研究Magnetopause boundary layer is always impacted by the solar wind from the bow shock.
磁层顶边界层可以看作是受到非均匀太阳风动压冲击的边界层。
参考来源 - 非对称磁场重联的Cluster数值分析及一个宇宙线源模式A little quantity of leakageage can make the inlet boundary layer of the rotor blade thinner, thus, the end loss at the root of the rotor blade will be reduced and the stage efficiency will be increased.
少量的漏气能够减薄动叶根部壁面进口的附面层,减少动叶根部端损,提高级效率。
参考来源 - 正弯静叶透平级静、动叶间吸漏气对级气动性能影响的试验和计算分析The system structure divides into 3 levels:User operation boundary layer, model application layer and thing processing level.
系统结构分为3个层次:用户操作界面层,模型应用层和事物处理层。
参考来源 - 遗传算法在森林收获调整中的应用以及软件的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N the layer of fluid closest to the surface of a solid past which the fluid flows: it has a lower rate of flow than the bulk of the fluid because of its adhesion to the solid 附面层; 与固体表面最接近的流体层:因对固体面的附着,其流动速度低于大量流体流动速度
However, when the airflow is turbulent, the boundary layer sticks to the ball for longer.
然而,当气流为湍流时,边界层维持时间较长。
A lot of observational data on the atmospheric boundary layer over the plateau were obtained.
获得了大量的关于青藏高原大气边界层的宝贵资料。
By using the boundary Layer function method, the existence and uniformly valid estimation of the solution are given.
我们利用边界层函数法给出了解的存在性与解的一致有效估计。
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