Results 41 to 50 of about 1,004,315 (387)

A magnetic field model of rectangular permanent magnets in a magnetic pendulum array

open access: yesAIP Advances, 2023
The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets.
Weiye Song, Changgeng Shuai, Qi Zhai
doaj   +1 more source

Improvement of Torque Performance and Energy Density of PM-Type Vernier Motor Utilizing Saddle Coil and Salient Pole

open access: yesApplied Sciences, 2021
In electric motors, the use of rare-earth magnets has been increasing rapidly. A stronger magnet force of the magnet enables the motor’s higher performance, resulting in the most high-performance motors generally using rare-earth magnets.
Sungwoo Chang   +3 more
doaj   +1 more source

Permanent magnet based dipole magnets for next generation light sources

open access: yesPhysical Review Accelerators and Beams, 2017
We have developed permanent magnet based dipole magnets for the next generation light sources. Permanent magnets are advantageous over electromagnets in that they consume less power, are physically more compact, and there is a less risk of power supply ...
Takahiro Watanabe   +4 more
doaj   +1 more source

Investigating the magnetic and mechanical properties of NdCeFe14B permanent magnets: Ab initio study [PDF]

open access: yesMATEC Web of Conferences
Neodymium-based permanent magnets (Nd2Fe14B) are the potential permanent magnets for various applications in high-efficiency power conversion machines and devices such as wind turbines and electric vehicles.
Baloyi Mphamela   +3 more
doaj   +1 more source

Innovative Hybrid Halbach Array for Steering Magnetic Nanoparticles Through a Bifurcation

open access: yesCurrent Directions in Biomedical Engineering, 2023
Magnetic nanoparticles are used in a wide range of medical applications. However, the accurate steering of the particles through the vascular system is still an open research question.
Thalmayer Angelika S., Fischer Georg
doaj   +1 more source

Overview of Hybrid Excitation in Electrical Machines

open access: yesEnergies, 2022
Hybrid excitation is a technology that combines the advantages of field windings and permanent magnets for inducing magnetic flux. This article studies the benefits of hybrid excitation and provides an outlook on their possible applications, such as wind
Gustav Mörée, Mats Leijon
doaj   +1 more source

Micromagnetics of rare-earth efficient permanent magnets [PDF]

open access: yes, 2018
The development of permanent magnets containing less or no rare-earth elements is linked to profound knowledge of the coercivity mechanism. Prerequisites for a promising permanent magnet material are a high spontaneous magnetization and a sufficiently ...
J. Fischbacher   +6 more
semanticscholar   +1 more source

Permanent magnets including undulators and wigglers

open access: yes, 2011
After a few historic remarks on magnetic materials we introduce the basic definitions related to permanent magnets. The magnetic properties of the most common materials are reviewed and the production processes are described.
Bahrdt, J.
core   +1 more source

Optimization on Size of Halbach Array Permanent Magnets for Magnetic Levitation System for Permanent Magnet Maglev Train

open access: yesIEEE Access, 2021
A permanent magnet suspension (PMS) magnetic levitation (Maglev) system consisted of magnetic rail magnets and carriage magnets are investigated for PMS Maglev vehicle.
Yang Jiang   +4 more
doaj   +1 more source

Macroscopic Simulation of Isotropic Permanent Magnets

open access: yes, 2015
Accurate simulations of isotropic permanent magnets require to take the magnetization process into account and consider the anisotropic, nonlinear, and hysteretic material behaviour near the saturation configuration.
Abert, Claas   +8 more
core   +2 more sources

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