• 指出紊流状态下,特性系数迭代正确计算轴承稳定极限转速关键

    At turbulent state, iteration of the dynamic coefficients is the key to correct calculating revolution values of stability limit of.

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  • 根据紊流状态守恒原理导出描述掘进巷道风流紊流流动温度分布微分方程

    According to the law of conservation in the state of turbulent flow, the differential equation describing the airflow temperature distribution in drifting tunnel is derived.

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  • 属于拐点不稳定性高频二次不稳定模态最后转捩的影响主要体现在与其它扰动相互作用,导致出现紊流状态宽带频谱

    The main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state.

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  • 提出关于偏心空中计算非牛顿流体层流、过渡紊流状态下压降、流速的方法;给出了流场特性分析及数值模拟结果。

    The method is presented to simulate pressure losses and flow velocities in skewed narrow annular geometries for laminar, transition and turbulent non-Newtonian flow.

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  • 本文流体力学理论为基础,提出应用自由紊流凝池内,大小不同颗粒均可处于良好状态

    Based on the theory of fluid mechanics this paper suggests that different-size particles can be satisfactorily flocculated if free turbulence occupies almost all the space of the flocculator.

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  • 主要研究气动喷嘴出口气流紊流脉动喷雾浓度场燃烧状态温度场的影响

    The effects of turbulence intensity on liquid spray distribution and temperature profile behind airblast atomizer have been investigated.

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  • 载体蜂窝内随着空速的增加气流状态流向紊流转变因此不能简单地将其气流简化不可压层流

    When flow rate increases, the flow state in honeycomb hole turns from laminar to turbulent, so it can not always be simplified as incompressible laminar flow;

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  • 设计状态转子出口流动阻塞损失、高水平紊流脉动噪声主要发生叶尖通道中部、尾迹叶根吸力区;

    In design condition, the flow blockage, loss, turbulence and noise at the exit focus mainly in the tip mid-passage, wake and the corner between the hub and the suction surface;

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  • 自由状态下的短路平行平面流、环形紊流射流汇流叠加而成 。

    The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.

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  • 自由状态下的短路平行平面流、环形紊流射流汇流叠加而成 。

    The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.

    youdao

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