• 不考虑井筒储集系数表皮系数影响情况下,量纲平均地层压力无量纲生产时间正比

    The dimensionless average formation pseudo pressure is directly proportional to the dimensionless producing time if the influence of wellbore storage coefficient and skin factor is neglected.

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  • 随着旋转雷诺数进气流量系数增加,转盘量纲过余表面平均温度无量纲径向表面温差全都下降

    The dimensionless average temperature and dimensionless temperature difference of rotor surface decrease with both of the dimensionless mass flow rate and rotational Reynolds number are increased.

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  • 文末数值算例给出动力柔度系数扭转幅值量纲频率变化曲线,并与单相弹性介质情况进行了对比分析。

    The dynamic compliance coefficient curves and the torsional Angle amplitude of a rigid disc versus the dimensionless frequency are presented.

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  • 决策人语言变量评价系数定性目标定量目标进行相应的无量纲化处理

    The qualitative objects and weight coefficients are evaluated by each decision-maker with linguistic variables. The quantitative objects are converted into proper dimensionless indexes.

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  • 建立了摇摆条件下圆管内层流流动模型推导量纲化的速度表达式,得到摩擦阻力系数关系式。

    The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.

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  • 运用方法,给出了速度近似,然后得到了圆柱表面无量纲的压力系数和阻力系数

    Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.

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  • 结果表明固定时,冲量冲量耦合系数量纲因子增大减小,极大值对应无量纲因子仅气体比热比相关;

    The results show that, impulse and impulse coupling coefficient firstly increase and then decrease with the augment of the dimensionless factor when cone angle is fixed;

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  • 研究了不同体型双塔静力干扰效应,顺、横风向和扭转方向的无量纲荷载系数等问题。

    The experiment results showed the static interference effects among these buildings reduced the wind load on each building.

    youdao

  • 研究了不同体型双塔静力干扰效应,顺、横风向和扭转方向的无量纲荷载系数等问题。

    The experiment results showed the static interference effects among these buildings reduced the wind load on each building.

    youdao

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