涡流效应

有限元分析涡流效应

Analysis of eddy current effect by finite element method

感应加热利用电磁感应及涡流效应，在钢丝内产生涡流进而产生热量来加热钢丝。

The induction heating use the heat generated by the electromagnetic induction and eddy current effect within the wire to heat it .

微米级金属Co颗粒内存在涡流效应，相比纳米级的Ni颗粒其吸波性能较差。

The microwave absorbing efficiency of sub-micron Co composites was lower compared to the Ni nanoparticle composites because of eddy current effect .

对重掺杂的硅衬底来说，衬底涡流效应已变得较为明显，如何精确的表征这一方面的影响，对于在标准CMOS工艺上实现的在片螺旋电感建模来说，已显得至关重要。

In standard CMOS technology specially in heavily doped silicon substrate process , substrate loss resulted from eddy current effect become significant .

针对非接触式基于多磁场涡流效应的DC微小电流传感器，设计了一种实用的锁定放大电路，并进行了实验性研究。

Being aimed at a non contact type DC weak current sensor employing multifield eddy current effects , a practical LIA is designed , and the experimental researches are carried on .

介绍了根据电磁感应原理、电涡流效应和集肤效应设计、制作EMI传感器的方法。

A series of techniques for making the EMI sensor based on the theory of ElectroMagnetic Induction , eddy current effect and skin-effect were introduced .

FeCo和FeNi合金颗粒的磁导率均随颗粒尺寸和长径比的增加而降低；分析认为磁导率的降低源于合金颗粒中的涡流效应。

The permeability of the FeNi and FeCo particles decrease with the increasing of the particle size and the particle aspect ratio . The decease of the permeability is attributed to the eddy current in the alloy particles .

文中在Jiles-Atherton磁滞模型和换能器振动系统的结构动力学原理的基础上，考虑交流驱动时的涡流效应和应力状态的变化，建立了超磁致伸缩换能器的磁弹性动态模型。

Based on the Jiles-Atherton model and structural dynamics principle of transducer , the magnetoelastic dynamic strain model of giant magnetostrictive transducer was developed , which considered the eddy current losses and the variety of stress .

冬季施工涡流效应应用于混凝土养护的探讨

Discussion on concrete curing of vortex effect in winter construction

涡流效应在混凝土冬季施工中的应用

Application of eddy-current effect to concrete curing in winter construction

超磁致伸缩体内涡流效应有限元分析

Analysis on eddy current effect in giant magnetostriction with finite element method

进口等径三通的涡流效应及对过热器寿命的影响

Eddy Effect of Tee Junction and Its Influence on Lifespan of Superheater

由于T型进口三通涡流效应的存在已为实验和理论计算所证实，本文对三通效应的形成原因进行了分析。

The reason of three passages effect was analysis .

微小平面电感线圈近场涡流效应的计算模型与实验验证

Mathematic model and experimental test for near-filed eddy current of small planar inductance coil

电子储存环慢加速过程中弯转磁铁的涡流效应

The eddy-current effects of a bending magnet on an electron storage ring during slow acceleration

磁粉探伤中的涡流效应

Eddy Effect in Magnetic Particle Flaw Detection

介绍了一种基于金属体内电涡流效应的新型高灵敏度金属探测仪设计。

A new excellent sensitivity metal detector based on eddy current of metal is introduced .

车用柴油机活塞顶导向槽的挤压涡流效应

The effect of squish swirl on conduct channel of piston crown for automotive diesel engine

仿真计算电机转子磁轭涡流效应对电机损耗发热的影响。

A simulated example shows that the rotor yoke eddy current effects against Motor loss heat .

该高速操动机构利用涡流效应产生电磁斥力，推动运动部件实现高速动作。

Tile opening force of this high-speed actuator is generated by an electrodynamic drive based on eddy effect .

为了实现对亚表面下细小缺陷的检测，采用了法拉第磁光效应和电涡流效应相结合的方法。

The Faraday 's magnetic optic effect is combined with eddy current effect to test the imperceptible flaws in subsurface .

文中基于磁性元件绕组的一维模型，对平面磁性元件绕组中的涡流效应进行分析。

Based on one-dimensional model for windings of magnetic components , the eddy effects in planar magnetic components are analyzed .

传统磁性金属及合金因电阻率低而产生的涡流效应，限制其在高频段的应用。

Due to low resistivity , the eddy current generation of magnetic metallic alloys limits their applications at high frequencies .

电涡流效应在实际生活中有许多用，如：发动机、变压器以及无损检测等。

Eddy current effects there are many applications in real life , such as motors , transformers and non-destructive testing .

考虑趋肤效应和涡流效应的柱形导体内部磁场和内部电感的有限元分析

FEM Analysis of the Internal Magnetic Field and Inductance of Cylindrical Conductor by Accounting for the Skin Effect and Eddy Currents

该方法把电机各横截面的电磁场方程联立求解，从而转子的斜槽效应和涡流效应可以被直接包括在系统方程中。

The fields of multislices are solved in parallel so that the eddy current effect can be directly taken into account .

利用磁悬浮监控与数据采集系统记录的实验数据，从定性和定量两方面对钢轨涡流效应进行分析。

Qualitative and quantitative analyses on the eddy current effect are made utilizing the experimental data gathered by the levitation monitoring and data acquisition system .

本文还建立了一个考虑磁滞和涡流效应的磁路模型，推导了广义节点方程和磁路方程。

A magnetic circuit model which can take hysteresis and eddy current effect into consideration is given . Generalized nodal equations and magnetic circuit equations are derived .

提出了计及磁滞和涡流效应的描述磁化过程的物理模型，并给出了数值计算的结果。

A reasonable physical model which describes the magnetization process and involves the magnetic hysteresis and eddy current is presented , and the numerical computation is made .

对于热电阻、热电偶等测量法，在高频交变场中，导线会拾取噪声并由于涡流效应而发热。

To thermal resistance and thermocouple measurement , the wire will pick up the noises and the eddy current will make the wire heat in the high-frequency alternating field .