It is difficult to solve the problems of this kind numerically because of the boundary layer effect.
由于边界层效应，使得这类问题的数值求解十分困难。
Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.
本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。
The basic equations of the boundary layer for blade surface flow of arbitrary cyclical surface are established, and the rotating effect for boundary layer separation is analyzed.
建立任意廻转面叶片表面边界层基本方程组，分析边界层分离的旋转效应。
Besides, boundary layer correction has been introduced in numerical calculation through accounting for the displacement effect, so that the computational results presented are further improved.
在数值计算中，通过附面层位移厚度计算，引入了附面层粘性修正，改善了计算结果。
In the direct numerical simulation of supersonic boundary layer flow, the outlet boundary condition will strongly effect the computational results.
在超声速边界层的计算中，出口处边界条件的好坏会影响计算结果。
The effect of boundary condition, anisotropy, ply - angle and number of ply - layer on the deflections of the plate is discussed.
讨论了边界条件、各向异性、铺设角、铺设层数和跨宽比对板挠度的影响。
The main effect of pyrolysis gas on surface behavior which increased heat blockage of boundary layer and varied the concentration of gas species are presented.
指出热解气体注入边界层的作用主要是增加热阻塞效应和改变壁面组元浓度。
The technology of oil flow and silk thread can reflect effect of the vertex generators controlling the boundary layer separation of the wing truly.
油流和丝线流动显示技术可真实反映涡流发生器对机翼附面层分离的控制效果。
The vertical structures of temperature and wind in the boundary layer also have an effect on the vertical distribution of low-frequency spectra of horizontal wind velocity.
边界层温度和风速的垂直结构也会影响到水平风速低频谱的垂直分布。
When various manipulations disturb the thermal boundary layer inside or the condensate film and gas-vapor diffusion layer outside, the heat transfer effect will be better or be worse off.
各种操作条件只有影响到管程的温度边界层或壳程的冷凝液膜层和气-汽扩散层，才能强化或恶化传热过程。
In this paper rapid distortion theory is used to predict the effect of anisotropy on the structure of shear free boundary layer and axisymmetric straining turbulence.
本文运用湍流快速畸变理论对各向异性条件对无切变边界层及轴对称应变湍流特性的影响进行了探讨。
It states that fluxes from the boundary layer make little difference to the typhoon route in 24h but have significant effect on the maintenance of the mature typhoon.
结果表明：在24小时内，台风边界层内各种通量的垂直输送对其路径影响很小而对成熟台风的维持却有非常重要的作用。
The examples presented clearly show the effect of nonparallel flow on boundary layer stability.
通过算例，清楚地显示了流动的非平行性对边界层稳定性的影响。
For the static tubular mixer with tube-arrays, semi-uniform and isotropy turbulent flow takes place using the effect of boundary layer in the arrayed tube, which can achieve rapid mixing.
管束列管式静态混合器利用管道边壁的边界层作用，强化形成准均匀各向同性涡旋，实现快速混合。
Analytical results show that the now pattern, wall roughness and wall curvature have obviously effect on the boundary layer hydraulic characteristics.
试验分析认为，水流流态，壁面粗糙度和壁面曲率对边界层特性有明显的影响。
In calculation, the bottom shear stress under the effect of waves and currents is supplied by the wave-current bottom boundary layer model.
计算中的底部剪切应力由波流边界层模型给出波—流共同作用下的形式。
The effect of internal boundary layer on dose and the contribution to dose from the washout deposition pathway are discussed.
讨论了事故工况下，内边界层对事故剂量的影响及冲洗沉积剂量的贡献。
The effect of atmospheric turbulence and buildings on the dispersion of gaseous pollutants emitted from motor sources was investigated at the road intersection in the atmospheric boundary layer.
对大气边界层内大气湍流和建筑物对道路交叉口处机动车排放气态污染物扩散的影响进行了研究。
The effect of microbubbles in the boundary layer on the skin friction of the plate is presented in this paper based on the computational results.
本文根据计算结果，研究了边界层中的微气泡对平板表面摩擦阻力的影响。
The mechanism of the effect is that the transition induced normal force arise when the boundary layer transition appear on the slender cone.
影响的基本机理是锥面的边界层在转捩时形成了负方向的诱导法向力。
By using of numerical simulation, the effect of applying boundary layer suction on end-wall to the aerodynamic performance for a van with a high-turning Angle and meridional divergence was discussed.
针对某大折转角子午扩张型导叶，通过数值模拟，讨论了端壁附面层抽吸对叶栅性能的影响。
The study of the effect of a non-homogeneous underlying surface on atmospheric boundary layer is one of the important tasks in environmental fluid mechanics.
非均匀下垫面对大气边界层影响的研究是环境流体力学的重要课题之一。
The high of vortex generators have their best chord position with an outstanding effect on controlling boundary layer separation.
涡流发生器弦向位置对附面层分离控制效果影响显著，不同高度涡流发生器均有其最佳气动效率的弦向位置。
This paper presents an investigation on the side wall effect in two -dimensional transonic wind tunnel with sidewall boundary layer suction around the model.
本文对模型周围的侧壁附面层抽吸，研究跨音速二元风洞的侧壁干扰。
This paper presents an investigation on the side wall effect in two -dimensional transonic wind tunnel with sidewall boundary layer suction around the model.
本文对模型周围的侧壁附面层抽吸，研究跨音速二元风洞的侧壁干扰。
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