圆周方向 circumferential direction(11)   circumferential direction     Based on the fundamental electromagnetic field theory, this paper develops the calculation method of the equivalent current of permanent magnet in different magnetization direction(parallel direction,radial direction and circumferential direction)and arbitrary complex shapes.     文中从电磁场基本理论出发 ,导出了永磁体在任意复杂形状下 ,不同磁化方向 (平行磁化、径向磁化、圆周方向磁化 )时永磁体边界上等效电流的计算方法 ,为永磁电机电磁场分析计算奠定了基础。 短句来源     In order to drive the non contact traveling wave cylindrical ultrasonic motor,it needs to form traveling wave along the circumferential direction The exciting principle of traveling wave of cylindrical vibrator is studied systematically The relationships among the exciting power about space and time domains are give,which provides the theoretical foundation for designing and exciting vibrator The simpler exciting method is reported comparing with some exciting methods At last,the vibrator is excited based on the theory above,and the experimental results are in accord with the theory     圆筒型行波非接触超声马达需要在其圆周方向形成行波以产生驱动力。 文章较系统地研究激励圆筒振子产生周向行波的原理 ,分别给出了激励源在空间和时间上的关系 ,为有效设计和激励压电振子提供了理论依据。 短句来源   “圆周方向”译为未确定词的双语例句     3. The uneven distortion of contact finger is due to the uneven distribution of Cr along circle of the contact during infiltration.     很容易喷溅，在反复的开断后，W颗粒剥离造成。 (3)触指不均匀变形是由于在熔渗过程中Cr元素偏析上浮，在圆周方向分布不 短句来源     In four-pole working mode, the single-winding magnetic motive force (mmf) waveform of the former is double that of the latter in density in the direction of air-gap circumference, and the synchronous rotating speed of the resultant magnetic field of the former is half of that of the latter.     在4极运行模式时，单相统组在气隙圆周方向产生的磁动势波形比后者密1倍，其三相绕组合成磁场的同步旋转速度Ω2＝ω／2。 短句来源     In two-pole working mode, the mmf distribution of the former is quite different from that of the latter in the direction of air-gap cireumference,and the synchronous rotating speed of the resultant magnetic field of the former is equal and opposite to that of the latter.     在2极运行模式时，单相绕组在气隙圆周方向的磁动势分布与后者完全不同，其三相绕组合成磁场的同步旋转速度Ω1＝－ω，方向与4极运行时相反。 短句来源   相似匹配句对     The Lightning Direction Finder     雷电方向探测仪 短句来源     Studying the direction of brittleness being motivated.     脆性激发方向的模拟； 短句来源     it is proved that the current desity division on the long and straight soenoid in the direction of tangent to periphery of solenoid and that of the axis has nothing to do with Q.     本文证明了长直螺线管上电流密度沿螺线管圆周切线方向分量和电流密度沿螺线管轴线方向分量与θ无关。 短句来源     3. The uneven distortion of contact finger is due to the uneven distribution of Cr along circle of the contact during infiltration.     很容易喷溅，在反复的开断后，W颗粒剥离造成。 (3)触指不均匀变形是由于在熔渗过程中Cr元素偏析上浮，在圆周方向分布不 短句来源 查询“圆周方向”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   circumferential direction In more remote areas, this surface continued to contract in the circumferential direction, but was extended in the radial direction. 例句来源       The primary swirling flow in circumferential direction is superimposed by a secondary motion in the meridional plane. 例句来源       The throughflow results are compared to a series of 3-D Navier-Stokes calculations averaged in the circumferential direction. 例句来源       using fine fiber texture), (2) increasing toughness of the fiber bundle interface, and (3) minimizing local curvature in waviness of the fiber bundles in the circumferential direction. 例句来源       The angle-function (i.e., the circumferential angular coordinate) was defined in the image plane composed of the stream function coordinate (circumferential direction) and streamline coordinate. 例句来源       更多                    The stator magnetic-field of three-phase asynchronous motor with variable-pole single winding and a pole-to-pole of 2/4 is quite different from that of ordinary three-phase asynchronous motor with single number of pole-pairs owing to the difference of the connection mode of winding. In four-pole working mode, the single-winding magnetic motive force (mmf) waveform of the former is double that of the latter in density in the direction of air-gap circumference, and the synchronous rotating speed of the result...             倍极比为2／4的单相绕组变极调速三相异步电动机的定子磁场，因绕组的接线方式不同而与普通单极对三相异步电动机的差异甚大。在4极运行模式时，单相统组在气隙圆周方向产生的磁动势波形比后者密1倍，其三相绕组合成磁场的同步旋转速度Ω2＝ω／2。在2极运行模式时，单相绕组在气隙圆周方向的磁动势分布与后者完全不同，其三相绕组合成磁场的同步旋转速度Ω1＝－ω，方向与4极运行时相反。 文摘来源          The slip clutch electric machine, its type is .YCT, has a complicated magnetic field of dimensions.In this paper, a kind of method which uses equivalent conversion is described. It converts the component of the magnetic field that distributed in circular direction into planar magnetic field of axial direction. Then, by using finite element method we can calculate the axially symmetrical magnetic field in two dimensions and at last restore the result of calculation to the original. This paper has analysed t...             滑差离合器电机的磁场是较为复杂的三维磁场。本文提出一种等效折合的方法，把磁场中沿圆周方向分布的磁场分量折合到沿轴向分布的平面磁场中来。采用有限元法计算两维轴对称磁场，并把计算结果还原为原磁场情况。本文分析了ＹＣＴ电机空载和在不同电枢反应影响下磁场分布情况，尤其是分析了主磁通分布和受电枢反应影响的变化情况，为在工程上统一设计方法奠定了基础。 文摘来源          Ultrasonic motors, as a fractional horsepower motor of new type, have attracted scholars' attention. Inthis paper, we have developed a motion modeling of projection-teeth of traveling wave ultrasonic motors, which issignificant for an expansion of interface modeling between the rotor and stator. At the same time, relationship betweenteeth height and displacement of a contact point, resonant frequency, is obtained by using the Finite Element Method(FEM) corresponding to various vibration modes. It is found t...             超声波马达作为一种新型的小马力电机已引起科研人员的极大关注．本文中，作者利用解析法建立了行波型超声波马达定于齿的运动学模型，这对进一步研究转子与定子间的接触模型是至关重要的．同时，我们采用有限元法研究了马达在各阶振动模式下接触点位移、马达共振频率与齿高的变化规律，发现齿高在从３ｍｍ到９ｍｍ的区间变化时，对接触点圆周方向的位移影响较大，特别是在高阶（９，０）振动模式下，而径向位移在齿高６ｍｍ左右时基本趋于饱和。我们依据齿的运动数学模型研制出一种新型的三维接触式超声波马达． 文摘来源   << 更多相关文摘         相关查询: (方向 圆周 方向 进口方向 各个方向 源方向 任何方向 图像方向 方向不同 动方向 光栅方向 钻进方向  对查询结果不满意

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