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2023 26th International Conference on Electrical Machines and Systems (ICEMS), 2023
Qiping Shen +5 more
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Qiping Shen +5 more
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Calculation of rotor axial electromagnetic force in large hydro generator
Mechatronics and Manufacturing Technologies, 2017Mei-Ying Quan, Yu-Ge Gao, Li Sun
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Study on electromagnetic force distribution and axial uniformity of tube electromagnetic bulging
International Journal of Applied Electromagnetics and Mechanics, 2022In the tube electromagnetic bulging, physical parameters of the driving coil are very important to the results of the electromagnetic forming, the height and outer diameter of the driving coil are the main geometric parameters that affect the distribution of the electromagnetic force and the axial tube uniformity.
Wang, Chenxin +4 more
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Investigating the Effect of Axial Displacement of Transformer Winding on the Electromagnetic Forces
2020 7th International Conference on Electrical and Electronics Engineering (ICEEE), 2020The working of the electrical network mainly depends on the working of the power transformer. Several important factors of the electrical power system such as efficiency, safety, and total losses are also affected by the power transformer. One of the most important factors for the designing of the power transformer is electromagnetic forces.
Kamran Dawood +2 more
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A Novel Hybrid Axial Magnetic Bearing that Produces a Unidirectional Electromagnetic Force
2021 IEEE International Magnetic Conference (INTERMAG), 2021This paper proposed a novel hybrid axial magnetic bearing (HAMB) for a vertical system, which can produce a unidirectional magnetic force. The characteristics of the new HAMB are analyzed. When the rotor is suspended in the equilibrium position, the bias force offsets the gravity of the rotor and the current is zero, which can reduce the copper loss ...
Chunmin Yu +4 more
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AXIAL ELECTROMAGNETIC FORCE DENSITY IN MPD THRUSTERS
Modern Physics Letters B, 1992An MPD thruster formulation involving coupled aerothermodynamic-electromagnetic equations and including viscous effects is developed and solved. The electromagnetic force density distribution in the thruster interior is studied. Axial force densities are found to be largest on the cathode longitudinal surface.
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Electromagnetic torque and force in axially symmetric liquid-crystal droplets
Optics Letters, 2008Circularly polarized light exerts torque on birefringent objects. In the case of axially symmetric particles, however, the moment of radiation force balances the direct optical torque. This explains the observation that radial liquid-crystal droplets, in contrast to planar droplets, do not spin in circularly polarized light.
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INTER-NOISE and NOISE-CON Congress and Conference Proceedings, 2023
Nonlinear vibration isolators that take advantage of negative stiffness elements can provide high static stiffness to bear high static loads and quasi-zero dynamic stiffness to widen the isolation frequency band and hence are desirable for vibration isolation.
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Nonlinear vibration isolators that take advantage of negative stiffness elements can provide high static stiffness to bear high static loads and quasi-zero dynamic stiffness to widen the isolation frequency band and hence are desirable for vibration isolation.
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Electromagnetic levitation forces and effective inductance in axially symmetric systems
British Journal of Applied Physics, 1965An analysis is developed which expresses the average electromagnetic levitation force Fx on a spherical conductor in terms of the effective inductance L of the excitation coil. This force is given by Fx = ½ I02 (∂L/∂x) where I0 is the r.m.s. coil current and x is the separation of the coil and sphere.
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