湍流度

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  • turbulence
湍流度湍流度
  1. 计算中湍流度取为10%~80%之间,湍流尺度为10-5~4m。

    The turbulence intensity was varied from 10 % to 80 % and the turbulence length scale was varied from 10 μ m to 4 m.

  2. 低层大气湍流度的参数化估算

    Estimation on turbulence level in the lower atmosphere by parameterization technique

  3. 近年来用X型热线探头旋转法测量低湍流度的三维流场的报导较多,但是对它的使用范围以及测量精度论及的很少。

    In recent years a lot of papers about technique for measuring a3-D low turbulent flow field by means of rotating a X-type hot-wire probe has been published .

  4. 实验在某低速风洞进行,工作段的横截面尺寸为0.6m×0.6m,湍流度小于0.2%。

    The experiments were carried out in a low speed wind tunnel with a cross-section of 0.6 m × 0.6 m and a free-stream turbulent intensity of less than 0.2 % .

  5. 该风洞具有低湍流度、可变湍流度、低噪声等几个特色。

    Some notable characteristics include low-turbulence , adaptable turbulence and low noise .

  6. 高湍流度下超高层建筑的风致振动响应特性

    Wind-induced vibration response of super high-rise building in high-turbulence flow

  7. 林带透风系数与湍流度关系的风洞试验研究

    Study on the Relationship Between Ventilation Coefficient of Shelterbelt and Turbulence Scale

  8. 通过实验,比较了粗糙、光滑壁面钝体的湍流度。

    Their turbulence was compared too , by means of cold experiments .

  9. 湍流度对边界层转捩测量的影响

    Effect of the turbulence on boundary layer transition measurement

  10. 湍流度和粗糙度对边界层转捩影响的研究

    A study of the effects of turbulence and roughness on boundary layer transition

  11. 高湍流度畸变流场的模拟

    Simulation of distorted flow field with high turbulence level

  12. 涡轮级内湍流度影响的非定常数值模拟

    Numerical simulation on unsteady flow with turbulence intensity effects in a turbine stage

  13. 逆压力梯度下的自由流湍流度对湍流边界层特性的影响

    Effect of free-stream turbulence on turbulent boundary layer behaviour under adverse pressure gradient

  14. 一座柔壁低湍流度风洞收缩段设计及主要工作特性

    The contraction design and main flow characteristics of a low turbulence wind tunnel

  15. 来流湍流度及端壁效应对涡轮叶片上对流换热的影响

    Influences of mainstream turbulence and end-wall effect on convective heat transfer of turbine blade

  16. 实验在低湍流度的均匀流中进行,模型表面光滑。

    The experiments were carried out in low turbulent smooth flow . turbulent model .

  17. 两次台风过程近地层湍流度和阵风因子分析

    Analysis on turbulence and wind gust factor in surface layer during two typhoon processes

  18. 不同下垫面表面层的湍流度统计特征

    The Statistical Characteristics of Turbulent Intensities in Surface Layer at Different Underlying Earth 's Surfaces

  19. 西北工业大学直流式低湍流度风洞设计中的几个关键问题

    Some Key Problems in the Design of the NPU Open-Circuit Low - Turbulence Wind Tunnel

  20. 低速高湍流度90°弯管流动数值模拟

    Numerical Simulation in a 90 ° Curved Duct with Low Velocity and High Turbulence Level

  21. 90°弯管内气固两相流颗粒运动对气相湍流度的影响

    Effect of Particles on the Turbulence of Gas Phase Flow within a 90 ° Bend

  22. 扭带管流体的径向速度和湍流度也比光管的大。

    The radial velocity and turbulence intensity were also larger than those in the smooth tube .

  23. 比较轴向和切向湍流度得知表明分离空间的湍流是各向异性的.旋转横流膜微滤压力场及流动数值模拟研究

    Research on Pressure Field and Turbulence Numerical Simulation of Tubular Micro-filtration Membrane Separators with Rotary Cross-flow

  24. 大湍流度高雷诺数时并列双圆柱的平均和脉动压力分布

    Pressure distributions on two circular cylinders of side-by-side arrangements in high-turbulence flow at high Reynolds number

  25. 实验的湍流度为:0.02%,0.10%和0.15%。

    The turbulence levels of the tunnel tested were 0.02 % , 0.10 % and 0.15 % .

  26. 低湍流度风洞中的斜置翼三维边界层测量试验研究

    Measurement of three dimensional boundary layer flow on an infinite swept wing in low turbulence wind tunnel

  27. 在所研究的吹风比范围内,吹风比增加,主流与壁面之间的换热增强,换热系数增大;小湍流度对换热系数影响不大,大湍流度则加强了换热。

    Heat transfer coefficient between the mainstream and the wall was enhanced with the increase of blowing ratios .

  28. 实验的湍流度为:0.02%,0.10%和0.33%。实验结果表明,不同的粗糙带对模型的气动特性有较大的影响。

    The flow turbulence levels used in this test were 0.02 % , 0.10 % and 0.33 % .

  29. 西工大低湍流度风洞的变湍流度技术

    All changed the technique of varying turbulence level in the low turbulence wind tunnel of Northwestern Polytechnical University

  30. 沿展向叶根、叶尖附近湍流度明显高于主流区。

    The turbulence intensity is significantly higher near the hub and shroud than in the main flow field .