查询词典 eddy current

Then, the application of the complementary variational method in eddy-current field computation is investigated.

第二，研究了互补变分方法在涡流场计算中的应用问题。

A two component vector potential in direct BEM is decuced in this thesis, which is the first successful one of indirect BEM for 3D eddy current problems.

用间接边界元法计算三维涡流场在国内、外都还未见成功的先例。

The system applies the high-precise eddy current displacement sensor, virtual instrument technology, special mechanical structure, and high-precise data acquisition system, as well as data processing and analyzing. The results show that the present system has high performance in precision and efficiency.

采用高精度电涡流位移传感器和虚拟仪器技术、合理设计测量机械机构和数据采集与处理系统，使计算机可以精确测量微小位移量，为准确分析数据结果提供了有利的先决条件，使测量系统精度大大提高。

Based on new style equivalent source method of axisymmetrical static field, this paper proposes a new style equivalent source method of axisymmetrical eddy current field , in which the number and positions of all the ES can be determined and the field distribution in all subregions is expressed in series form.

本文把轴对称静态场中的新型等效源法推广到轴对称涡流场中，提出了轴对称涡流场的新型等效源法，该法中等效源的位置和个数可给以确定，由它产生的场分布可用级数表示，克服了以前等效源法中等效源的位置和个数只能凭经验决定的缺点。

Hexanaphthene and business card printing and membership card making ink not miscible organic compounds, in the air and the monlchamus membrane, so that the micropartticle concentration in surface tension, surface monolayer formation, larger, currature and cannot be extended to the whole surface, it can become a smooth surface to prevent Eddy current production — monlchamus membrane contributes to a smooth surface of the ink level.

硅油和制卡和会员卡制息油不朱洋的无机物不相纯溶，在氛围与不朱膜的界不面处不稀释，使暗不天压辛回升，在暗不天蔓延，酿成独不合子层，曲率半径变不小，能放宽到残暗不天，因此能酿成较好的凹凸的暗不天状况，制止涡不源爆发—不朱膜暗不天不离酿成了凹凸如镜的不朱层不面。

D eddy current model for litz copper foils is built to analyze AC winding losses.

通过建立一维涡流模型，对新型双绞铜箔进行交流损耗分析，分析结果表明铜箔绞绕方案能有效减小线圈损耗。

However,the analysis and design of parallel windings are more complicated.Parallel windings including litz wire,litz PCB,twisted and common parallel PCB are evaluated,then respective eddy current loss analytical models were built and systematical algorithm were also proposed for the loss models programming.

与采用单根导体的线圈比较，并联线圈不论损耗模型还是设计技术都有很大的不同，其线圈涡流损耗频率特性影响因素多[1-3]，很复杂，特别是对应用于平面变压器的并联PCB线圈，很难根据对高频涡流效应的直观理解和已有的高频功率变压器线圈损耗模型对其进行设计分析。

Two eddy current sensors , which are mounted on bogie f rame of the vehicle , can detect stochastic inhomogeneity in region of the rail.

在机车的车轮架前后设置两个电涡流传感器，获得两个反映铁轨中非均质特性的随机信号。

In non-contact measurement of displacement and vibration amplitude, the method of electric induced eddy-current which employs the L value measurement and frequency-modulated circuit is distinguished in the followings: the instrument based on it has a high sensitivity which is not effected by temperature variation, the initial gap can be indicated directly, unnecessity of re-calibration for different measured materials, etc.

电涡流；位移测量；调频； L值；线圈；线路；测试法；非接触；灵敏度变化；感应电；感应电涡流在非接触位移、振动测量中，采用L值测试法和调频线路具有仪器灵敏度高且灵敏度不随温度变化、原始间隙直接显示、对于不同被测材料不需重新定标等优点。

The conception of the edge element was firstly proposed by Whitney in 1957. At the beginning of 1980\'s, Bossavit and Verite put it to practical application to three-dimensional eddy-current problems. In 1987, Barton and Cendes applied the tetrahedral element to three-dimensional magnetic calculation.

棱边元的构想，最早由Whitney在1957年提出。80年代初期，Bossavit和Verite将四面体棱边元应用于三维涡流问题，1987年，Barton和Cendes将四面体棱边元首次应用于三维磁场计算揭开了基于棱边的有限元方法在电磁问题中应用的序幕。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。