rotor field

Three-dimensional flow field inside a compressor rotor tip region

压气机转子通道内尖区三维平均流场

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A commercial N-S solver has been employed for simulation and investigation of the unsteady flow field inside the tip clearance of a turbine rotor.

商用N S求解器已经被用于透平动叶顶部空隙的非定常流场的模拟和研究。

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The Euler/ Kirchhoff method is adopted to calculate the far field noise of UH-1H rotor, and the calculated results are compared with the measured data. The effect of rotor blade tip shape on high speed rotor noise is investigated.

采用CFD与计算声学相结合的Euler Kirchhoff方法对UH-1H直升机旋翼跨声速悬停流动的远场噪声进行定量计算，并将计算结果与实验值进行比较，验证了Euler Kirchhoff方法的正确性。

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With IGV/ rotor interaction, the rotor flow field was changed significantly.

在引入导叶/转子干涉之后，转子流场结构发生显著变化。

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Based on the previous computation for a rotor flow field in forward flight near ground, the thrust coefficient, torque coefficient and blade flapping angles are calculated and analysed against the advance ratios and flight heights.

基于对旋翼近地飞行时流场的N－S方程计算，计算并讨论了近地飞行时，旋翼拉力、扭矩系数及桨叶挥舞角随前进比、离地高度的变化情况。

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To consider magnetic conductance change of tooth harmonic caused by relative motion between stator and rotor, the transient field operation is applied to obtain the rotor iron loss, aiming to analyze the slotted core effect on rotor iron loss.

为考虑定、转子间相对运动引起的齿谐波磁导变化，即电机铁心开槽对转子损耗的影响，采用暂态场计算转子铁心涡流损耗。

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Numerical Analysis of Internal Flow Field and Tip Clearance Leakage in Axial Compressor Rotor

轴流压气机转子内流数值模拟及叶顶间隙泄漏分析

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Drum washing machine at work, due to the role of the load makes the asymmetry distribution of the magnetic field distribution between the drive motor stator and rotor air gap, resulting in the rotor to generate unilateral magnetic pull, allowing torque pulsation occurs.

滚筒洗衣机工作时，由于负载的作用使得驱动电机定转子之间的气隙磁场分布呈现不对称分布状态，从而在转子上产生单边磁拉力，使得转矩出现脉动。

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Impact of IGV/ rotor interaction on rotor flow field in an axial compressor

轴流压气机内导叶/转子干涉对转子流场的影响

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As the most typical control strategies in AC motor drive system, Rotor Field Oriented Control ( RFOC) and Direct Torque Control ( DTC) have their own features in robust performance.

作为当前两种最具代表性的交流变频调速控制策略，转子磁场定向控制（RotorFieldOrientedControl，RFOC）和直接转矩控制（Direct torque control，DTC）在鲁棒性能上各具特色。

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Its field trial showed that the free grain loss is reduced and specially invented windrowing device closely behind the stripping rotor located justified itself by the clear cutting with shorter stubble and being center delivered windrow of the straw.

田间试验表明落粒损失减少，作者发明的设置于摘脱流通筒后面的切割搂集装置工作性能良好：割茬低条铺放在两履带之间。

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