• 梦剧场内蒙古湍流序曲

    Dream Theater. Six Degrees Of Inner Turbulence I Overture.

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  • 环形空间3个速分量湍流同一个数量级

    In annular space, the values of tangential, axial and radial turbulence intensity were of the same order of magnitude.

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  • 引射效率气流湍流度达到相当好的水平

    The mass ratio and free stream turbulence have attained to considerably good level.

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  • 沿展向叶根叶尖附近湍流明显高于主流区。

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

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  • 动力使物料湍流度加大,使物料分层不易形成。

    The vibration can increase the material turbulivity, and mostly avoid the stratification.

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  • 该风洞具有湍流、可变湍流、低噪声几个特色

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

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  • 迄今为止,人们发现的降低气流湍流有效办法就是利用阻尼

    So far the most effective means to lower the turbulence intensity of the airstream is to utilize damping screens.

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  • 两个型-平面的角区流动及其尾迹实验湍流风洞中完成的。

    The experimental studies on two wing body junctions and wakes were carried out in a low turbulence level wind tunnel.

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  • 同时利用回流区内高温低速湍流有利于着火条件的新型煤粉稳燃器。

    It can make full use of favourable ignition conditions such as high temperatures in reflow region and low velocity as well as high turbulent scale.

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  • 场区域,玻璃微珠气相湍流增强作用高于的聚苯乙烯颗粒

    In the near-fields, the gas-phase turbulence intensities are augmented more by glass particles with larger density than polyethylene particles with smaller density.

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  • 背景湍流很大流动,边界层有时产生沿向周期分布的流向速的条纹结构

    For high levels of free-stream turbulence, streaky structures in boundary layer with the spanwise variations alternating will be generated.

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  • 平均剖面湍流剖面,积分和风反映大气湍流边界层流动四个基本因素

    Mean velocity profile, turbulence intensity profile, integral scale and wind spectra are the most fundamental characteristics that describe the atmospheric turbulent boundary layer flow.

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  • 本文同时还研究了气流湍流度测量方法的影响最后提出测量技术尚进一步研讨问题。

    Meanwhile, the stream turbulence effects on the measurement are studied. Finally, the problems which must be researched further are presented for indicating boundary-layer transition.

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  • 的静力三分力系数变异性以及受湍流度影响等均两拱间距比及竖向相对位移有关。

    Arch forces coefficients and fluctuating buffeting forces are mainly decided by the space width ratio and the relatively vertical displacement.

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  • 不同材料颗粒对气相平均调制作用差别不明显,对气相湍流的调制作用显著不同。

    It is found that particles with different material densities have the same influence on the mean decaying velocity, while they have different influences on the turbulence intensity.

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  • 运用OH-PLIF方法探测了不同燃料系数出口湍流甲烷/空气锥形预混火焰火焰前锋结构

    The flame front structures of the methane/air premixed flames are observed by using OH- PLIF method in the different conditions of equivalence ratio and inlet turbulence intensity.

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  • 近年来用X型热线探头旋转法测量湍流度三维的报导较多,但是它的使用范围以及测量精论及的很少。

    In recent years a lot of papers about technique for measuring a 3-d low turbulent flow field by means of rotating a X-type hot-wire probe has been published.

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  • 为了探讨不同径向动量湍流圆柱形气膜流动和换热的影响规律,采用数值模拟方法,研究了涡轮叶片的冷却效率

    The cooling effectiveness of cylindrical gas-film cooling holes was numerically investigated, which was determined at different radial angles, momentum ratio and turbulent intensity.

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  • 通过模拟法数字处理数据得到了迴区的平均湍流分布,还从数字数据处理器得到了速概率分布和概率函数

    Two data processing methods, one analogue method and the other digital, were employed in order to obtain the profiles of mean velocity and turbulent intensity.

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  • 找出优化的方法保持风机过滤器机组风速均匀减少面风速的湍流度,对于保持风机过滤器机组下方区域的洁净重要意义。

    It is significant to find optional method for keeping the face velocity uniformity of FFU and reducing the face velocity turbulivity of FFU, furthermore, to keep the cleanliness level under FFUs.

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  • 主要介绍相关技术测定湍流通量原理及其农田蒸散量测定方面的国内外应用研究进展。

    The principle of measuring turbulent flux by eddy covariance system and its application to field evapotranspiration measurement were introduced in this paper.

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  • 基于湍流动能倾向方程推导出了切变大气稳定简化方程。

    Based on the tendency equation of turbulent kinetic energy, its simplified equation including only wind shear and air stability was derived.

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  • 本文分析了姿态稳定、像面振动大气散射吸收、大气湍流以及海表背景对于成像质量影响

    In this paper, the influence of the imaging quality is studied from attitude inaccuracy, vibration, scattering and absorbing of the atmosphere, turbulence of the atmosphere and the sea surface.

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  • 另外湍流应力使对流混合作用加强从而导致恒星内部表面各元素发生改变

    Moreover, the turbulent stress also causes the convection the mixing action to strengthen, so elements abundance of the stellar interior and surface are all changed.

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  • 大气湍流所引起闪烁反射。

    Seeing is the scintillation of image caused by turbulence in the atmosphere.

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  • 离子模(ITG)湍流背景中,通过最小自由模型耦合方式产生带状,对此模型做了动力学稳定性分析数值求解。

    The energy cascade process in the ITG mode turbulence and the relationship between Reynolds stress and zonal flow are also discussed.

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  • 但是湍流情形下,相干合成光束质量退化非相干合成的情形,激光阵列的紧凑激光波长无关

    In strong turbulent atmosphere, the far-field beam quality degrades into the incoherent combining case without any relationship with the fill factor and laser wavelength.

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  • 当射流速比较大时喷管缺陷进口出口毛刺流道壁的粗糙诱发湍流使射流破断的主要原因

    The turbulence induced by the defects of nozzle, such as the burr at the inlet and outlet, and the roughness of the wall, is the main cause to decrease the length of intact jet.

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  • 另外文章还讨论了廓线变化以及地面粗糙湍流影响

    In addition, in this paper, the changes of wind profile and effects of surface roughness on the intensities of turbulence arr discussed.

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  • 湍流方差林冠与大气交界面处达到最大同时剪切也达到最强;

    The turbulent strength, velocity flux, and skew were the largest at forest-atmosphere interface, as well the wind shear.

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