• 管道附件、阀门、支撑引起附加损失系数

    The additional cool losing produced by the appendix, such as values, brace etc.

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  • 最优设计所得损失系数原有叶损失系数明显下降

    The cascade loss factor of the optimally designed cascades is significantly lower than that of the original cascades.

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  • 压力损失系数雷诺数影响较小基本随着雷诺数的增大而减小的;

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

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  • 渡槽渐变段水力学试验基本目的测定渐变段局部水头损失系数

    The main purpose of the experimental study on the water fow in the transition region of an aqueduct is to find out the local coefficient of head loss in the region.

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  • 采用神经网络(ANN)方法沿程水头损失系数影响因素进行了分析。

    Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).

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  • 通过叶片表面损失系数证实先进叶型在流动可以降低叶型损失

    It is proved that the profile loss can be decreased with the use of advanced blade through the comparison of loss coefficient of blade surface overall pressure.

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  • 最后连同通道尾迹区一起,求得了包括影响栅的总损失系数

    Finally, Over-all loss coefficients in the cascade are obtained, considering effects of the shock wave passage and wake.

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  • 能量损失系数音速透平设计实现提高跨音速透平性能关键问题之一

    The design and realization of a transonic turbine cascade with low energy loss is one of the crucial problems which should be solved for designing good transonic turbines.

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  • 圆形相比,位于喉部上游位置收敛缝形孔具有好的冷却效率具有低损失系数

    Compared with cylindrical holes, the converging slot holes at the upstream of the throat exhibit both higher cooling effectiveness and lower aerodynamic loss coefficient.

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  • 分析不同叶片安装下,叶片表面静压系数出口损失系数出口气流角的变化规律。

    The static pressure loss coefficients, total pressure loss coefficients and flow outlet Angle distribution are simulated in conditions of different setting angles.

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  • 借鉴管路计算局部阻力系数概念,进一步计算了斜道区不同情况下压力损失系数

    Basing on the conception of local drag coefficient in the pipeline field, the pressure drop coefficient of fluid in each inclined flue under different condition of pressed brick was calculated.

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  • 进行管网水力计算忽略结点处的局部能量损失采用不变的局部能量损失系数均是不合适的。

    During the hydraulic calculation on pipeline network, it is unacceptable to neglect local energy loss or to adopt constant local energy loss coefficients.

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  • 优化后透平高压级静损失系数减少0.95%;多级压气机整机效率提高2.1%。

    After optimization, the total pressure loss of the turbine vane was reduced by 0.95%, and the efficiency of the overall compressor was increased by 2.1%.

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  • 利用数值模拟软件,通过改变管道气体压力,对内流量传感器压力损失系数进行模拟研究。

    Using numerical simulation software, with setting different gas pressure in pipe, the pressure loss coefficient of inner-cone flowmeter was simulated.

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  • 本文分析了风速平板太阳集热器顶部损失系数影响导出了风速影响修正系数经验公式

    The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.

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  • 压力损失系数气体压力变化规律进行分析,给出压力损失系数随管道气体压力变化计算公式。

    This changing regularity is studied and the equation which expresses the relation between the pressure loss coefficient and gas pressure in pipe is given.

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  • 室内样机试验测得局部水头损失系数2.08。方法适用于水路系统其他部件参数优化设计

    And coefficient of local loss-of-head of the water valve is 2.08. This optimum method is suitable for optimization parameter design of other parts in waterway system.

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  • 结合山西省西龙池抽水蓄能电站,对引水岔管进行了物理模型试验,研究了肋比对岔管局部损失系数的影响。

    Meanwhile, we choose different costal board width ratios, in order to get the trend of head water losing coefficient.

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  • 固体火箭发动机常用瞬态平衡压强烟火剂式点火器弹道性能进行了理论预示,并提出损失系数概念

    Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.

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  • 实验中不同雷诺数、不同出时通道端壁表面静压分布、压力损失系数、弦向流量分配以及系数进行了测量

    Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).

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  • 根据推导灌溉水损失系数公式导出了各种节水灌溉工程措施节水量的计算方法即本文所说的真实节水量的计算方法。

    Basing on the formulas of "the irrigation water loss efficiency", educe the corresponding formulas of "resources-type" real water saving of all kinds of saving-water irrigation project.

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  • 为了解不同雷诺数流比情况下各种因素压力损失系数影响,对流梯形扰流柱通道端壁的静压压力损失系数进行实验测量。

    The effect of each parameter on distribution of static pressure and pressure loss coefficient are found out. Experiments have been carried out in trapezoidal duct with staggered pin fin arrays.

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  • 索赔可以依照统一比例的手续费或者损失换算系数(loss conversion factors,LCF)。

    The claim can be either subject to the flat handling charge, or loss conversion factor (LCF).

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  • 综合传热系数系统气体流动阻力损失评价换热器性能重要指标

    Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.

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  • 随着石墨颗粒含量5%增加20%,镁合金基复合材料耐磨性得到明显改善磨损质量损失摩擦系数降低到较低水平。

    With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.

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  • 本文矩阵损失研究一般增长曲线模型随机回归系数线性估计可容许性

    We investigate the admissibility of the linear estimate of random regression coefficients under a matrix loss function in general growth curve models.

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  • 对于一口确定原始地层压力有效渗透率、总表皮系数附加压力损失流动效率试井的重要任务

    For a new well, it is an important work to determine initial reservoir pressure, effective permeability, summary skin coefficient, supplementary pressure loss and flow efficiency.

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  • 同等壁面条件下随着动量调节系数增加喷管粘性损失增大,喷管的推力都将下降

    Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.

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  • 提出应用经验系数0.95修正蒸馏过程带来的损失结果令人满意。

    A satisfactory result can be got by using the experienced coefficient 0.95 to correct the distillation loss.

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  • 提出应用经验系数0.95修正蒸馏过程带来的损失结果令人满意。

    A satisfactory result can be got by using the experienced coefficient 0.95 to correct the distillation loss.

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