The magnetic force produced by SSM magnet on the anti-solenoid of SCQ magnet was calculated, which is in good agreement with that by BNL and IHEP.
SCQ、SSM磁体在降温和升温过程中，进出磁体的氦流温度、压力值是随时间非线性变化的，数值模拟时单独考虑磁体较难确定边界条件。
An experimental method based on the theories of electromagnetic fluid and electromagnetic fluid mechanics is given in this paper. With the cupric sulfate solution or sodium chloride solution as the liquid producing electromagnetic fluid flow phenomenon, the metal copperplate as the plate electrode producing a uniform electric field, a uniform magnetic field is produced around a compact winding solenoid.
阐述以电磁流体和电磁流体力学理论为基础，应用硫酸铜溶液或氯化钠溶液作为可以产生电磁流体流动现象的一种液体，用金属铜板作为可产生匀强电场的极板，用密绕的螺线管可产生匀强磁场的方法，设计出电磁流体在电磁场中的流动实验方法及简单的实验仪器装置。
Coil due to damp, caused by poor insulation and magnetic flux leakage, resulting in excessive current in the coil and burned, so to prevent flood water from entering the solenoid valve.
原因有线圈受潮，引起绝缘不好而漏磁，造成线圈内电流过大而烧毁，因此要防止雨水进入电磁阀。
Two physical models are applied for approximate calculation of magnetic field, and the ANSYS finite element method is used to simulate the magnetic field at the same time. Comparison is made between the two different lenses in physics and engineering aspects, and the result is that the solenoid with iron yokes meets the design requirement better.
分别采用了两种物理模型计算磁场，同时应用有限元分析软件ANSYS进行数值模拟，最后从物理和工程角度对这两种透镜作了全面比较，得出带屏蔽铁壳的螺线管透镜结构更符合设计要求。
The axially symmetric magnetic lens in the Institute of Modern Physics of the Chinese Academy of Sciences is taken as an example in this paper, and two axially symmetric magnetic lenses are designed: one is the solenoid with iron yokes and the other is the Glaser magnet with tapered poles.
以中国科学院近代物理研究所正在研制的轴对称磁透镜为例，设计了两种结构的轴对称磁透镜；带屏蔽铁壳的螺线管透镜和极靴形状为锥形的Glaser透镜。
A multi-parameters-adjustable EDU with optimize-shaped current output is developed. The paper proposes a power absorb principle and a boost charge method used in the EDU, which can promptly loading and unloading magnetic energy of solenoid with great efficiency.
从工程应用和控制的角度建立了具实用价值的高速电磁阀静态及动态数学模型，电磁阀静态模型对电磁阀的结构、工作机理和参数设计具有指导意义；电磁阀动态模型对高速电磁阀的动态特性及其驱动器研制具有指导意义。
Solenoid valve failure, in order to prompt isolation solenoid valves, and to ensure normal operation of the system, it is best to install bypass devices 4, in the pipeline Fluoroplastic magnetic pumps system, installed in the branch road solenoid valve diameter should be less than the valve head of Road path.
在电磁阀发生故障时，为了及时隔离电磁阀，并保证系统正常运行，最好安装旁路装置 4、在管路系统中，安装在支路上的电磁阀通径应小于主管道阀门的通径。
Solenoid valve failure, in order to prompt isolation solenoid valves, and to ensure normal operation of the system, it is best to install bypass devices 4, in the pipeline Fluoroplastic magnetic pumpssystem, installed in the branch road solenoid valve diameter should be less than the valve head of Road path.
在电磁阀发生故障时，为了及时隔离电磁阀，并保证系统正常运行，最好安装旁路装置 4、在管路系统中，安装在支路上的电磁阀通径应小于主管道阀门的通径。
Solenoid valve failure in order to prompt isolation solenoid valves and to ensure normal operation of the system it is best to install bypass devices 4 in the pipeline Fluoroplastic magnetic pumpssystem installed in the branch road solenoid valve diameter should be less than the valve head of Road path.
在电磁阀发升故障时，为了及时隔离电磁阀，并保证系统正常运行，最好安装旁路装置 4、在管路系统中，安装在支路上地电磁阀通径应小于主管道阀门地通径。
The measured and simulated results agreed well. The rotary proportional solenoid has positive magnetic stiffness, high level of linearity (non-linearity less than 3%) and small hysteresis (less than 4.5%).
试验结果与仿真结果基本吻合，该比例电磁铁具有正磁弹簧刚度、良好的线性度以及较小的滞环，静态力矩特性的非线性误差小于3%，滞环小于4.5%。
The shielding effectiveness of cylindrical shield and the influence of the shield on the magnetic field in the solenoid are calculated by using finite element method. The curves of the shielding effectivencess and magnetic field in the solenoid against the shield dimension are obtained.
采用有限元方法计算了圆柱形屏蔽体的屏蔽效能和屏蔽体对螺线管内部磁场的影响，得到屏蔽效能和螺线管内部磁场随屏蔽体尺寸变化的曲线。
Using the Biot Savart law calculate the magnetic field on a cylindrical solenoid of arbitrary area.
利用毕奥－萨伐尔定律，导出任意截面螺线管的磁场。
This paper discusses the magnetic field on the axis in a current-carrying sparse winding solenoid with limited length.
讨论了有限长载流疏绕螺线管内轴线上的磁场，并与载流密绕螺线管内轴线上的磁场作了比较。
Based on a explosion-proof solenoid valve (NASS BV 4984), a virtual valve was designed by using the I-DEAS software. In the analysis of the anti-explosion structure of the valve, the ANSYS software for finite element analysis was used to find out the variations of stress, temperature, and magnetic flux.
在设计上是参考五口二位电磁阀NASS BV 4984为实体，采用I-DEAS软体作设计；在分析电磁阀的防爆结构时，是使用有限元素ANSYS软体探讨其应力、温度及磁通量上的变化。
It is shown that the phenomenon is due to self-induced action in alternative magnetic field of electric solenoid and is of no effect to the point of magnetic focusing.
结果表明，此现象产生于螺线管交变磁场中的自感应作用，对于碰聚焦点不产生影响。
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Talk also about finding the interior and exterior distribution of magnetic field of an infinitely long current carrying solenoid by Ampere circuital theorem
也谈用安培环路定理求无限长载流螺线管内外磁场的分布
By the magnetic field of current-carrying loop and Ampere's Loop Law, the paper presents the magnetic field distribution feature of the unlimited length current-carrying solenoid, that is, the magnetic field inside the solenoid is uniform, while that outside is zero.
由载流圆环的磁场和安培环路定理严格证明了无限长载流螺线管的磁场分布特点，即管内是均匀磁场、管外磁场为零；
It also points out that the magnetic field of unlimited length solenoid cannot be calculated only by Ampere's Loop Law.
指出无限长载流螺线管的磁场是不能仅由安培环路定理求出的。
Magnetic field of unlimited length solenoid holding current
无限长直均匀密绕载流螺线管的磁场