磁通量

• The si unit of magnetic flux equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second
  韦伯磁通量的国际单位，等于当磁通量在一秒钟内被统一地减弱为零时在它联接的一圈电路内产生一伏特电动势时的磁通量
• Patches of intense magnetic flux , both normal and reversed , form on the core - mantle boundary when eddies and vortices interact with east - west - directed magnetic fields , described as toroidal , that are submerged within the core
  具有强大磁通量的斑块，不论方向是正是反，都是涡旋与地核内部的东?西向环状磁场交互作用时，在地核?地函交界面上所形成。
• Rsfq ( rapid - single - flux - quantum ) logic family is a new type of technology in superconducting digital circuits , in which the information is carried in the presence or absence of sfq voltage pulses generated by damped josephson junctions
  超导快单磁通量子rsfq ( rapidsinglefluxquantum )电路是一种新型超导数字电子技术，它通过磁通量子化了的电压脉冲的有、无，来表示二进制信息。
• Based on the special property of magnetic fluid ( mf ) , we fill the magnetic fluid into the working clearances of the servo valve torque motor . one side , the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side , it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability
  基于磁流体所具有的特殊性质,将磁流体添加到伺服阀力矩马达的工作间隙中,一方面磁流体被磁化后可增大衔铁的阻尼力,减少振动;另一方面由于力矩马达气隙中磁导率的提高,使气隙中的磁通量增大,力矩马达的磁路效率和输出扭矩将增大,因此可以提高力矩马达的固有频率和伺服阀的响应速度。
• Next , in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors , the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field . oh the basis of the mathmatic model , the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential , magnetic field intensity , magnetic induction , the shape of the magnetic scarlar potential level surface , the distribution of the magnetic circuit , the magnetic induction the self - inductance and the mutual inductance of the coils
  其次，为全面了解这种新型电磁电机的电磁特性和动力特性，本文从电机磁场的基本方程及其边界条件出发，应用无旋磁场的标量磁位概念，建立了端面摇摆式电磁微电机内部磁场的数学模型，并以此为基础，详细分析了电机气隙磁场的各方面性质，对气隙磁场的磁标位、磁场强度、磁感应强度、等磁位面形状、电机工作磁路的分布、电机的工作磁通量以及激励绕组的自感和相互之间的互感进行了详细的分析计算。
• At first , the interactions of hts permanent magnet and applied field are studied , that is the levitation force of ybco bulks over the ndfeb guideway and the influences of the applied field to the hts permanent magnet . secondly , the pulsed field magnetization properties of ybco bulks are studied . at last , the influence of the sample ' s thickness , shape as well as the density to the levitation force over the ndfeb guideway and the trapped flux of ybco bulk are studied
  文中主要研究了高温超导永磁体在外场下的受力状况以及外场对其内部磁通量的影响、高温超导ybco块材在不同脉冲场下的俘获磁通特性以及超导体块材自身的厚度、形状、密度等参数对其在外场下受到的悬浮力和俘获磁通的影响。
• The advantages of this system are that the fluxes from the current model are easily obtained , all of the fluxes ( from voltage and current models ) are dc quantities , which are convenient for control and checking , and the system stability is easily analyzed . a further advantage is the avoidance of integration problems
  本系统的优点之一是磁通的指令值通过计算电流模型而获得，所有的磁通量（电压、电流模型）都是直流量，便于控制和检查，系统的稳定性易于分析，另一个优点是利用磁通观测器可以避免用电压模型推算磁通时的积分运算问题。