The results showed that the magnetic induction intensity, electromagnetic force and flow velocity of molten steel at the solidification front of billet increased with increasing the stirring current. 结果表明,铸坯凝固前沿磁感应强度、电磁力及钢液转速均随着搅拌电流的增加而增大。
The common principle is the use of the induction of an electromotive force by the variation of the magnetic flux through a coil. 一般原理均是使用通过线圈的磁通量变化感应的电动势。
Using the slider to drive a metal bar to cut perpendicularly the uniform magnetic field in the center of a Helmholtz coil, induction electromotive force could be produced. 利用滑块带动金属杆切割亥姆霍兹线圈中心区域匀强磁场的磁感应线,可以产生感应电动势。
A Determination Method of Direction of Induction Electromotive Force 感应电动势方向的一种判断方法
In this paper, we research the induction electromotive force, signal-to-noise ratio of the two-coil sensor, all of these can lay the foundation for designing apparatus. 研究计算了双线圈传感器的感应电动势、信噪比和趋肤深度,为今后仪器的设计提供了理论依据。
Three Formulas for Calculating Induction Electromotive Force 关于计算感应电动势的三个公式
It should point out, there exists the like induction electric field force within the proper superconducting boundary layer, whose nature is the division of Lorentz force on the binding electric pairs on the superconducting symmetry axle. 指出在正常超导界面层内存在着类感应电场力,其本质上是束缚电子对所受Lorentz力沿超导体对称轴线的分量之和。
By means of the theory of electrostatics and the dielectric polarization theory and method, the polarization mechanism of the dust particles in electrostatic precipitator ( ESP) was investigated and the relationship of the electrostatic energy, revolving moment and induction force to the electric field was derived. 应用静电学及电介质的极化理论方法,探讨电收尘器中粉尘粒子的电极化机理,建立了极化粉尘粒子的电势能、旋转力矩和感应力与电场的关系。
Research of Linear Induction Motors Secondary Force and Velocity 直线感应电动机次级受力及速度分析
Through the ANSYS simulation results, it was found that the distribution of the magnetic induction strength, electromagnetic force in the melt were nonuniform. 通过ANSYS有限元数值模拟发现,熔体中的脉冲磁感应强度、电磁力等物理量的分布是不均匀的。
The revolving moment exerted on the polarized particles makes them line along the electric field and the induction force points towards the direction in which the electric field intensifies. 极化粒子所受的旋转力矩使粒子沿着电场方向排列,感应力的方向指向电场增大的方向。
During the electromagnetic induction, electro-motive force is produced by electric charge, which is influenced by the function of Lorentz magnetic force. 在电磁感应现象中,动生电动势是由电荷受到洛仑兹力的作用而产生的;
For improving the static and dynamic seal properties of the magnetic fluid seal, the correlation between the seal capacity and the residual induction intensity and coercive force of permanent magnet has been studied. 为了提高磁流体动、静密封的能力,文中探讨了磁性材料中剩余磁感应强度和矫顽力与磁流体密封能力之间的相互关系;
Under the influence of the like induction electric field force, the velocity of the mass motion of the binding electron pairs increases from zero to 10 3-10 4 ms-1, making the entropy the of superconducting current less than the one of the normal current. 在类感应电场力的作用下,束缚电子对质心定向运动速度由零增大到103-104ms-1,使超导电流的熵小于正常电流的熵。
He physical implication, difference and contact for three formulas of calculating induction electromotive force are given. 在电磁学和普通物理课程中,计算感应电动势通常有以下三个主要公式本文指明了这三个公式各自的物理涵义以及它们之间的区别与联系;
Aiming at the rotor eccentricity of bearingless induction motor, the force acting on rotor is analyzed and the nonlinearity effect of the rotor eccentricity is compensated by the radial force feedback control. 针对无轴承异步电机转子偏,心工作问题,对其转子偏心时的转子受力情况进行了分析,并以此为基础,应用径向力反馈控制来补偿转子偏心的非线性影响。
The induction force is yielded by the non-uniformity of the field intensity which depends on the gradient of field components. 感应力是场强的不均匀性所引起,场强的不均匀程度由场强分量的梯度决定。
Detecting Velocity on a Linear Moving Object by Induction Electromotive Force 感应电势型直线速度检出器
Experiments on capillary rheometer validate that the induction of vibration force field can bolster the output of extrusion and lower the energy consumption along the long pipe. 并通过在毛细管流变仪上的试验,验证了引入振动力场能够提高挤出加工的生产率,有效地降低聚合物熔体通过长圆导管流道成型所需的能耗这一理论结果。
Calculation of Induction Electromotive Force of Linear Generator of High-Speed Maglev Train 电磁型高速磁浮列车直线发电机电动势计算
The essential readability of the higher education news report can been analysed from several aspects such as impulsive force, induction force, affinity and so on. 高教新闻的必读性可以从冲击力、诱导力、吸引力和亲和力等几个方面来分析;
For cylindrical sample, the magnetic induction strength and electromagnetic force reached the maximum beyond the range of solenoid coil, and the farther away from the cylindrical sample, the smaller these parameters were. 对于圆柱形样品,磁感应强度、电磁力均在螺线管线圈范围内达到最大。而越远离样品中心,这些物理量的值越小。
Previous research has shown that there exist correlations between stress and induction electromotive force. 以往的研究已表明应力和感应电动势之间存在关联。
From the impact factor and induction force coefficient we find throughout the economy the industry which plays a major role and the main supporting role. 而通过影响力系数和感应力系数我们发现了整个经济中起到主要拉动作用和主要支撑作用的行业。
Comparison of the availability of induction heating, rolling force and the plate crown along the width direction, describes the feasibility of edge induction heating. 比较了有无感应加热时,轧制力和轧件沿宽度方向的板凸度,说明了边部感应加热的可行性。
According to electromagnetism theory, alternative magnetic field would create induction electromotive force, which makes backset circulation creates a great deal of energy. 根据电磁场理论,变化着的磁场会产生感应电动势,从而使涡流回路产生大量的热,即感应加热。
The supporting role of producer services concentrated in technology services, business services and financial services, the three induction force coefficient is greater than the social average. 生产者服务业的支撑作用主要集中在科技服务、商业服务和金融服务,这三个部门的感应力大于社会平均水平。
Use loading equipment and the magnetic induction coil sensor, input AC coil in the access, and test magnetic induction electromotive force in the test coil. 用加载设备对试件进行加载,采用磁感式传感线圈,在输入线圈中接入交流电,在测试线圈中测试磁感电动势。
After that, an analysis of linear induction motor normal force and traction force characteristics is developed, and the characteristic curve of the electromagnetic force is received from the simulation experiments. 接着分析了直线感应电机推力和垂向力的特性,并通过仿真实验得到了电磁力的特性曲线。
Then It analyzes several short-circuit currents. Based on short-circuit impulse current, the law of electromagnetic induction and Ampere force law, considering the actual construction winding, it divide the short-circuit force into radial and axial force, and elaborate the cause of the two forces. 进而分析了短路电流的几种情况,以短路冲击电流、电磁感应和安培力定律为基础,结合实际变压器绕组结构分析了绕组短路力。