查询词典 eddy current

This paper analyzes the principle of the rotating permanent magnet eddy current brake and designs its structural mechanism.

分析了旋转型永磁涡流制动机的工作原理，并进行了涡流制动机机构设计。

Magneto-optic imaging technology is a new method of eddying measurement, which not only preserves the merit of conventional eddy current inspection, but also realizes the visual NDT of sub surface's minute defect by replacing measuring coil by laser.

磁光成像技术是涡流检测技术的一种新方法。这种方法不仅保持了传统涡流探伤方法的优点，而且用激光取代了测量线圈，实现了对亚表面细小缺陷的可视化无损检测。

In this dissertation, losses in CLIM are obtained by means of solving steady state eddy current fields using FEM under constant voltage excitation.

在计算中，应用传热学知识，首次得出了动初级圆筒型直线感应电机内表面上的散热系数。

By the deep analysis on winding eddy current loss mechanism of the transformer in forward-flyback converter, a new idea is proposed that the magnetic field in winding window of the transformer can be considered as the combination of the two components, that is, transformer field component and inductor field component. The orthogonal characteristics of the two magnetic field components in CCM are further revealed.

通过深入研究正反激变换器中的变压器线圈涡流损耗机制，指出其线圈窗口磁场可分离为变压器特性的磁场和电感器特性的磁场，证明了连续导通模式时上述两种特性磁场为正交的，进而提出一新型线圈损耗解析建模方法，新方法可以有效提高模型精度。

The transient air gap magnetic fields under different conditions are also calculated and analyzed. The novel finite element method directly using magnetic induction as unknown variable has many advantage. It is analyzed theoretically in detail. Nonlinear eddy current field equations and finite element equations using magnetic induction as unknown variable are developed.

直线电机的磁场是一非均匀、非线性的涡流场，文中对非均匀磁场及材料的非线性进行了分析，提出了相应的解决办法，采用以向量磁位为求解量的传统有限元法，对不同合闸角下筒式复合次级圆筒型直线感应电机的瞬态特性进行了计算与试验分析，对不同条件下瞬态气隙磁场进行了研究。

In this paper, combining the technique of parallel computation with the numerical method of 3D eddy current field, we designed the algorithms of generating mesh, forming finite element equations and solving them in parallel on a shared memory multiprocessor (SGI Challenge L 8 CPUs), and presented a concrete and effective method.

本文将并行计算技术和三维涡流场计算方法相结合，对三维涡流场有限元分析的并行处理技术进行了细致的研究，设计了基于共享内存并行计算机(SGI Challenge L 8 CPUs)的网格剖分并行算法和三维涡流场有限元方程形成和求解的并行算法，为数值求解实际三维涡流问题提供了一种有效途径和具体方法。

A new geophone, eddy current geophone which adapt the high resolution exploration, is presented in this paper.

今后随着我国地球物理勘探工业的发展，这种检波器的应用领域会更加广泛。

This planar gradiometer was used for non-destructive evaluation on detecting conducting aluminum plates by performing eddy current testing in unshielded environment.

我们将该器件作为磁传感器，可以利用涡流检测的原理对非磁金属进行无损检测。

An approximate equivalent model for the calculation of coil inductance of eddy-current sensor has been suggested and so a satisfactory formula deri- ved forpractical evaluation.

本文为计算电涡流传感器线圈的自感而提出了近似的等效模型并得出了较为理想的计算公式。

A method of integrating infinite integrals which occur in axisymmetrical field in eddy current testing is presented. Subtraction of asymptotic terms is proposed to speed up the truncation process of an infinite integration interval, which greatly improves the integration of infinite integrals.

本文对涡流检测中解析求解轴对称场时遇到的无穷积分给出一种简单有效的数值积分方法，提出一种改进积分收敛性的方法，加速了无穷积分的截断，显著提高了轴对称场的计算效率。

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。