边界层是高雷诺数绕流中紧贴物面的粘性力不可忽略的流动薄层,又称流动边界层、附面层。这个概念由近代流体力学的奠基人,德国人Ludwig Prandtl于(普朗特)1904年首先提出。从那时起,边界层研究就成为流体力学中的一个重要课题和领域。
边界层 [流] [数] Boundary Layer ; boundary y layer
大气边界层 [地物] atmospheric boundary layer ; planet Boundary Layer ; air boundary layer
层流边界层 [流] laminar boundary layer ; boundary layer of laminar flow ; laminar
边界层厚度 [流] boundary layer thickness ; thickness of boundary layer
行星边界层 planetary boundary layer ; PBL ; UWPBL
边界层方程 [流] boundary layer equation
温度边界层 [流] thermal boundary layer ; temperature boundary layer ; Temperaturgrenzschicht
热边界层 thermal boundary layer ; heat boundary layer
边界层控制 [流] boundary layer control
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So the boundary-layer flow over flow-passage components in the silt-laden flow is investigated by association of the two-phase flow theory and boundary-layer theory , the latter being closely related with the phenomenon of hydraulic wear and tear .
于是把两相流动同与磨损问题紧密相关的边界层理论应结合起来,研究了含沙水流绕流过流部件时边界层内的流动。
参考来源 - 固液两相流动边界层的数学模型及流场计算A lift increasing scheme by varying leading edge of the fin stabilizer is presented according to the boundary-layer theorem which is deducted form the hydrodynamics Newton momentum theorem.
依据流体力学中由牛顿经典力学动量定理推导而来的边界层定理,提出了改变减摇鳍前缘的增升方案。
参考来源 - 船舶变形减摇鳍的升力机理及建模研究·2,447,543篇论文数据,部分数据来源于NoteExpress
然而,当气流为湍流时,边界层维持时间较长。
However, when the airflow is turbulent, the boundary layer sticks to the ball for longer.
描述边界层的最初的提议标志着人类世的争论的开始。
The first proposals for describing the boundary layer marking the beginning of the Anthropocene are already being discussed.
问题是,气体含量的增加不是突然出现的,因此没有清晰可辨的边界层。
The problem is that since the increase in the gas content did not occur abruptly, there is no clearly discernible boundary layer.
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