• 与常规叶片相比,二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。

    Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.

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  • 为了详细研究涡轮叶栅的气动特性,深入了解涡轮叶栅流道内的气体流动,对某型涡轮导向叶栅内的流场结构进行了数值模拟。

    For investigating the aerodynamic character of the turbine cascades, understanding the detail flow in turbine cascades, the computational investigation was applied on some type turbine guide vane.

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  • 阐述了在环形扩压叶栅内利用非定常激励减少分离区损失的实验研究成果。

    This paper presents the results of the experimental investigation on the effects of internal acoustic excitation on enhancing performance of the annular cascade.

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  • 对两束相干光写入稳态相位栅的衍射效率进行数值模拟,发现在某一角度范围内衍射效率有一最大值存在。

    Diffraction efficiency was simulated theoretically in the stable state phase during the double coherent light coupling and a maximum value of diffraction efficiency was discovered in some Angle scope.

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  • 文中给出了VKI透平叶栅内的定常流结果和1.5级透平叶栅内的非定常数值结果。

    Numerical results of steady flow in the VKI gas turbine cascade and unsteady flow in a 1.5 stage steam turbine are presented.

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  • 并讨论了粒子的尺寸、初始速度的大小和方向对粒子在叶栅内运动特性的影响。

    The effect of particle size and initial velocity on the particle motion behavior is discussed.

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  • 本文首次提出了应用贴片云纹干涉法和变栅距光栅来测量不可展壳体表面面内位移和应变的方法。

    This paper gives a method to measure in-plane strain of skew ruled surface shell by using Moire interferometry of sticking film method.

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  • 在此基础上,研究了轴流压缩机叶栅内不同直径粒子在叶片压力面和吸力面的沉积规律;

    Then the deposition characteristic of different particle diameters in the blade cascade of the axial compressor was obtained.

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  • 本文采用拟压缩性方法对不同积叠线弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。

    The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.

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  • 结果表明,与常规板栅相比,三维网络碳化硅板栅与极板内电流分布比较均匀。

    Calculated results showed that the current distribution over three-dimensional networks is more uniform than that over general grid and plate of lead-acid battery.

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  • 为了改善扩压叶栅气动性能,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。

    The numerical simulation has been carried out to investigate the viscosity flow in the compressor cascades with curved blades of different circumferential bow angles.

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  • 栅内二次流对冷气分布有影响。

    The in-cascade secondary flow exercises an influence on the cooling air distribution.

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  • 栅电介质层和栅极形成在鳍部的顶表面上、相对的侧壁上和鳍部内的凹陷的底部上和相对的侧壁上。

    A gate dielectric layer and a gate electrode are formed on the top surface, the opposing sidewalls of the fin and on the bottom and on the opposing sidewalls of the recess in the fin.

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  • 最后提出了新的压气机平面叶栅内的旋涡模型。

    At last, the author proposed a new vortex model for the compressor cascades.

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  • 在浮栅的两侧壁上,设置侧壁绝缘膜。第一杂质扩散层设置在半导体基板内,并与浮栅仅离规定的距离。

    A first impurity diffusion layer, which occupies a space within the semiconductor substrate, is provided separately apart from the floating gate by a predetermined distance.

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  • 将每个漏油栅上的金属圈连在一起,可以使多台漏油栅在大范围内同时作业,保证效率。

    The booms are fitted with eyelets at each end enabling multiple booms to be joined together to cover a greater area.

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  • 本文给出了一个模拟叶栅内准三维定常和非定常粘性流动的数值方法。

    A numerical method for the simulation of quasi-3D steady and unsteady viscous flows in cascades has been presented.

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  • 由于叶排间的相互运动,使叶片表面压力和叶栅通道内的流场呈周期性地变化;

    Because of relative movement of blade rows, the pressure distributions on the blade and the flow field in the cascade vary periodically.

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  • 本文首先研究气固非耦合条件下的振动叶栅内二维非定常粘性流动。

    First, a 2-d unsteady viscous flow in a vibrating cascade is investigated under flow-structure uncoupled conditions.

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  • 为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。

    The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.

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  • 为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。

    The numerical simulation has been carried out to investigate the secondary flow in the compressor cascades composed of the positive curved blades and negative curved blades.

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  • 利用实验数据对计算结果进行了验证,分析了棒棒间隙的减小对稠密栅元内局部流动、传热和相干结构的影响。

    The calculation results were validated with experimental data. The effects of diminishing rod-rod gap size on local flow, heat transfer and coherent structure in tight lattice were analyzed.

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  • 由于该竞争行为,当两单栅间隙内充盈的样品溶液折射率发生变化时,体现为反射谱上较高的角度灵敏度。

    This competition leads to high angular sensitivity in response to the refractive index variation of the sample solution in the gap.

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  • 由于该竞争行为,当两单栅间隙内充盈的样品溶液折射率发生变化时,体现为反射谱上较高的角度灵敏度。

    This competition leads to high angular sensitivity in response to the refractive index variation of the sample solution in the gap.

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