• 压力损失系数受雷诺数影响较小基本随着雷诺数增大而减小的;

    The pressure loss coefficient is affect by the Re number smaller, basic is decreased with increasing Re.

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  • 计算雷诺数8.9 ~ 1000.0时圆球绕流受到阻力,分析形状长度雷诺数的变化规律

    The drag on the sphere was calculated for Reynolds numbers8.9to1000.0, and the shape and length of the wake behind the sphere were investigated.

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  • 结果表明,窄隙流道雷诺数表现普通流道不同的多变特性,在高雷诺数区与普通流道相近。

    The results show that the performance of heat transfer in lower re number region is poly tropic, and that in higher re region is similar to conventional channel.

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  • 斯特罗数的雷诺数效应桥梁断面雷诺数效应研究中的一个重要问题。

    Reynolds number effects on Strouhal number are very important in the study on Reynolds number of bridge decks.

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  • 雷诺数湍流雷诺数以及哈特曼准数定量计算结果表明,哈特曼准数较地表征了电磁力对铝液湍流运动的抑制作用

    The quantitatively calculated results of Hartman number, Reynolds number and the turbulent Reynolds number show that Hartman number expresses well the function that electromagnetic force i.

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  • 阻力系数旋转雷诺数增大减小,随冷气雷诺数增大而增大。

    The flow friction coefficient increases with the increase of the cooling air Reynolds number and decreases with the rotating Reynolds number.

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  • 雷诺数对换增强幅度影响较大,孔内雷诺数,换热增强越大

    The higher the Renolds number, the more intensive the convective heat transfer inside the hole.

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  • 该预旋情况下,进气雷诺数盘面平均赛尔特影响大于旋转雷诺数

    The cooling flow rate have more effects on average nu number than rotating speed in this pre-swirl Angle.

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  • 实物网处于雷诺数自动模型区域内,模型位于雷诺数范围。

    The full scale gear is in the self-modelling region of Reynolds number, but the model is situated in the low Reynolds number region.

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  • 研究桥梁断面分力系数雷诺数效应比对断面三分力系数雷诺数效应影响

    The Reynolds number effect of the mean aerodynamic force coefficient is studied; the influence of ratio of bridge deck width to its height on three mean coefficients is shown too.

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  • 结果表明,采用这种雷诺数修正模型可以用于定量评估雷诺数发动机稳定性影响

    This correction model was proved to be valuable to evaluate the effects of Reynolds number quantificationally when assessing the engine stability.

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  • 断面阻力系数雷诺数效应近流线型断面规律相反,升力矩及升力系数雷诺数效应不明显;

    Between the two type deck sections, the trend of mean drag coefficient varying with Reynolds number is opposite to each other, which challenges the traditional opinion on the blunt section;

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  • 横流雷诺数射流雷诺数之比大于0.5之后,有横流时冲击射流冷却局部赛尔横流时有较为显著下降

    When the cross-flow to jet Reyuolds number ratios are greater than 0. 5, the jet impingement Nusselt numbers arc obviously lower than that without cross-flow.

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  • 雷诺数作为非线性流动判据雷诺数小于10-3的低速流动具有非线性特征。

    Research results indicated that Reynolds number can be used as the criteria of nonlinear flow. Flows with Reynolds number less than 10-3 have nonlinear features.

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  • 主流雷诺数冷却效率影响不大,总体表现出雷诺数越大,冷却效率越高。

    The Reynolds number of the main flow has a relatively small effect on cooling effectiveness, but the cooling effectiveness still increases with increasing Reynolds number as a whole.

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  • 主流雷诺数冷却效率影响不大,总体表现出雷诺数越大,冷却效率越高。

    The Reynolds number of the main flow has a relatively small effect on cooling effectiveness, but the cooling effectiveness still increases with increasing Reynolds number as a whole.

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