1、

Variable pitch vertical axis turbines have been proposed, which can markedly increase the power extraction efficiency at low tip speed through controlling the rotor blades pitch at all points of their rotation cycle.

目前已经提出了一种变螺距垂直轴水轮机,它可以通过控制转子在一个旋转周期上所有点的叶片间距来显著提高能量的提取效率。

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2、

Contrasts and analyses of flow fields in turbine stage with different slotting types are made to investigate the impact of slot at rotor tip on the turbine efficiency and secondary flow loss.

本文对几种形式开槽的涡轮级流场进行了对比分析,分析了动叶顶部开槽对涡轮级效率和二次流损失的影响。

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3、

Compared with the conventional alternator, homopolar inductor alternator was very suitable for the self-contained power system, for the solid forging rotor can run high speed, its moment of inertia is large, and its efficiency and power density are very high.

因为同性极感应子发电机的转子强度高适合高速旋转,转动惯量大,电机的功率密度和效率可以做的很高,这些对系统是很有利的。

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4、

Slotting cutter is the specialized cutter for the rotor slot of the Steam Turbine, its quality will affect to the machining efficiency, accuracy and quality directly.

轮槽铣刀是汽轮机转子轮槽加工的专用铣刀,其性能的好坏和质量的优劣将直接影响加工效率、加工精度和质量。

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5、

The standard samples of the metals and non-metals are separated by an eddy-current separator, and a separation efficiency of 95% can be obtained when the operation factors, mainly feeding speed, rotor speed and belt rotational speed, are proper.

利用涡电流分选机对铜、铝和塑料的标准样进行了分选,通过调节进料速度、转子速度和皮带转速,可以得到分选效率达到95%以上。

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6、

Test of Motor Locked Rotor Temperature Rise and System Efficiency for XL Pure Electro-motion Car

夏利纯电动轿车电机堵转温升及系统效率测试

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8、

In this article is researched the effect of navel's diameter and the arc of the enveloped angle on the twist efficiency of rotor spinning, which has a guidance meaning to the selecting of a navel especially in spinning high twist on rotor spinning frame.

本文研究了阻捻盘孔径和圆弧包围角对转杯纺纱和加捻效率的影响,对纺制高捻转杯纱选用阻捻盘有一定的指导意义。

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9、

Influence of Built-up Hollow Rotor's Leakage upon Efficiency of Oil-sealed Sliding Vane Rotary Vacuum Pump

组合式空心转子渗漏对油封式旋片真空泵抽气效率的影响

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10、

With the continuous improvement of steam turbo-generator capacity and main steam parameter, in order to guarantee the efficiency and security, the real-time and accuracy requirement of temperature measurement for the turbine rotor surface is improved at the same time.

随着现代汽轮机发电机组单机容量和主蒸汽参数的不断提高,为了确保机组效率和安全性,电厂对汽轮机转子表面温度检测的实时性和准确性要求也日益提高。

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11、

Experimental Investigation of Influence of Rotor Solidity on Hover Efficiency

旋翼实度对悬停效率影响的试验研究

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12、

reduced unevenness in clearance of the stator and rotor, enhanced motor efficiency;

减小定、转子间隙的不均匀度,增加电机效率;

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13、

with the rotational speed increasing, the total pressure ratio of the ram-rotor rises, but the adiabatic efficiency decreases.

随着转速的增加,旋转冲压压缩转子三维进气流道的增压比不断提高,而其绝热效率却不断降低;

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14、

the optimized rotor can evidently enhance the adiabatic efficiency and has fine off-design performance.

优化后叶片绝热效率有较大程度的提高,并且具有良好的变工况性能。

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15、

The paper presents a study on NHF-ⅱ air centrifugal rotor superfine powder classifier newly developed. The classifier efficiency at different rotor speeds and exhaust capacity was studied.

对研究开发的NHF-Ⅱ空气离心转子超细粉分级机进行了性能试验,主要研究了转子转速、风量对分级性能的影响。

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