• 发现压气机态特征用于发动机过程中工作点接近失速边界的程度的判定,具有一定工程应用价值

    The observed end wall flow patterns can be used to assess the stall margins during engine throttling, and thus, it has certain value in engineering application.

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  • 重力油水分离中,剪切主要存在各种结填料中和器边界层内。

    In the gravity type oil water separating field, the shearing field mainly exists in all kinds of collison packing and flow boundary of vessel.

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  • 带动力实验进行洞干扰修正时必须考虑螺旋桨影响

    The effect of propeller induced slipstream to the experiment data must be corrected.

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  • 通过选择不同气体分子与相互作用模型研究了边界条件撞击效应影响

    Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.

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  • 本文数值实验中的一些结果粘性不可压缩数值边界条件处理可能具有一定的普遍意义

    The results obtained from this numerical experiment may be of some universal significance for the treatment of rigid wall boundary conditions of viscous incompressible flow.

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  • 临界条件下获得了临界爆胞格结构沿速度峰值压力曲线系演变特征。

    Under this critical condition, the cellular pattern, the velocity and maximum pressure along the wall and the wave evolution of marginal detonation were obtained.

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  • 总压测量影响不大。速度梯度对测量误差的影响与来方向有关

    The effects of the velocity gradient and wall-proximity on the measuring errors are related to the flow direction.

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  • DNS统计相比,除了之外,场的大部分区域模拟值与精确的统计值基本一致

    It is found that generally the simulated values are in agreement with the DNS data in most flow regions, except in the near-wall region.

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  • 分析偏心距旋转对于以及轴向速度分布影响同时给出了平均摩擦系数摩擦力的分布。

    Effects of eccentricity and rotation on the secondary flow and maximal axial velocity were analyzed, and the average friction factors and the wall friction distributions were also presented.

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  • 介绍了汽轮机动叶片叶身平均换热表面传热系数叶片换热表面传热系数的计算方法计算公式。

    Method and formulae for calculating the mean forced convection heat-transfer coefficient of the blade surface, as well as for the blade passage's bottom wall, are introduced.

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  • 条件下潜水位不是排水河渠存在所谓渗出面”。

    In this case, the water table is not flow surface and there is no "seepage surface" on the side walls of drainage river channel.

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  • 修补、不垂涂覆保护膜。

    Repair, seam filling and coating film materials for wall.

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  • 空气实验回路上水平管内气液泡状应力进口段进行了实验研究

    Experiments were carried out to investigate the developing length due to the wall shear stress in horizontal air water two phase bubbly flows.

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  • 本文采用可压缩非定常N-S方程模拟带有上下的跨声速二维风洞超临界翼型场。

    Transonic tube wind tunnel flows over supercritical airfoils with slots on both upper and lower walls have been simulated by using compressible unsteady two dimensional Navier-Stokes equations.

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  • 本文分析讨论了传热元件本身导热温度分布影响

    The effect of the conduction of the rotor material on the temperature distribution is also evaluated.

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  • 通过静压测量场显示气动探针测量研究不同型叶片组成平面特性

    The performance of rectangular compressor cascades composed of different swept blades was studied by static pressure measurement, flow visualization and probe measurement.

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  • 给出计算模型方程倾斜入口边界条件作了特殊处理

    Model equations for three dimensional calculation are given. Special treatment of boundary conditions at the entrance and the inclined wall is carried out.

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  • 剪应力设计方法,从理论上顶替低速顶替及顶替技术统一起来。

    Wall shear stress method integrates the plug flow displacing, the low speed displacing and the turbulent flow displacing methods in theory.

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  • 根据数值模拟的结果描绘炉膛内的负荷分布两相温度场、煤粉颗粒轨迹等。

    The wall heat flux distribution, two-phase flow field, temperature field and pulverized coal particles trajectory in furnace are described according to the calculation results.

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  • 实验中不同雷诺数、不同出时通道端表面静压分布、压力损失系数、弦向量分配以及系数进行了测量

    Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).

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  • 在此基础上将该方法成功应用脉动场下轴对称正弦波圆管内的质量传递测量。

    The successful application of this method in a three-dimensional sinusoidal wavy-walled tube for pulsatile flow shows its validity.

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  • 数值模拟清晰地显示了排气缸通道场结构是以各种旋涡为主要特征,包括通道分离涡等。

    The computational results revealed a complex vortex system within the casing model, including a passage vortex, a separation vortex and an endwall vortex.

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  • 电弧等离子对等离子体反应器影响区域是近轴过渡区没有影响。

    The arc-plasma jet in jested into the reactor exerted influences on the flow field in the hear-axis zone, while no influences in the transition and the near-wall zones.

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  • 结果展示了场、剪切应力及其梯度动力学时空分布情况

    The results depicted the temporal and spatial distributions of hemodynamic variables such as flow patterns, wall shear stresses and wall shear stress gradients.

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  • 汉体时候,离地方经常会产生现象。

    When Bingham fluid is in motion, plugged flow often occurs at places far from the boundary -walls.

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  • 通过数值计算方法,模拟回转体在水下的航行,分析回转体周围压强及其阻力分布,并根据计算结果回转体设计了有效的气泡方案

    The flow field surrounding the revolving object, pressure and resistance distribution on its wall were calculated in order to design a micro-bubble reducing resistance scheme for the revolving object.

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  • CFB冷态试验台上,深入研究了CFB结构下降影响

    In cold test set of CFB, the effect of the main bed top structure on the particles descending flow near the bed wall has been studied.

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  • 底部相对间隙08~ 2 0之间,扰高度小于边界层厚度平均压力高度大于边界层厚度时小30 %左右。

    When the relative gap height (the ratio of flap height to gap width) is in the range of 0 8-2 0, the mean pressure will reduced 30% if the flap height is smaller than the thickness of boundary layer.

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  • 本文介绍了前缘诱导激波边界层干扰特性着重强调马赫数影响

    This paper presents the surface characteristics of the inter-action between shock wave and turbulent boundary layer induced by sharp fin with emphasis on Mach number effects.

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  • 本文介绍了前缘诱导激波边界层干扰特性着重强调马赫数影响

    This paper presents the surface characteristics of the inter-action between shock wave and turbulent boundary layer induced by sharp fin with emphasis on Mach number effects.

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