Results 91 to 100 of about 3,140 (217)

High Specific Power Electrical Machines: A System Perspective [PDF]

, 2019
There has been a growing need for high specific power electrical machines for a wide range of applications. These include hybrid/electric traction applications, aerospace applications and Oil and Gas applications.
EL-Refaie, Ayman M., Osama, Mohamed
core   +1 more source

Determining the minimum mass and cost of a magnetic refrigerator [PDF]

, 2011
An expression is determined for the mass of the magnet and magnetocaloric material needed for a magnetic refrigerator and these are determined using numerical modeling for both parallel plate and packed sphere bed regenerators as function of temperature ...
A. Smith, Bahl, Barclay, Bjørk, Bjørk, Bjørk, Bjørk, Bjørk, Bjørk, C.R.H. Bahl, Coey, Dan’kov, Egolf, Engelbrecht, Engelbrecht, Engelbrecht, Engelbrecht, Engelbrecht, Halbach, Hirano, Jacobs, Jensen, Kim, Lu, Mallinson, Morrish, N. Pryds, Nielsen, Oesterreicher, Okamura, Pecharsky, Petersen, Petersen, R. Bjørk, Rowe, Rowe, Rowe, Russek, Russek, Tura, Tura, Tušek, Yu, Zimm   +43 more
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Demonstration of single-shot picosecond time-resolved MeV electron imaging using a compact permanent magnet quadrupole based lens

, 2016
We present the results of an experiment where a short focal length (~ 1.3 cm) permanent magnet electron lens is used to image micron-size features of a metal sample in a single shot, using an ultra- high brightness ps-long 4 MeV electron beam from a ...
Alesini, D., Cesar, D., Frigola, P., Harrison, J., Li, R. K., Maxson, J., Musumeci, P., O'Shea, F. H., Sun, Y., To, H.   +9 more
core   +1 more source

THE CYCLOID MAGNETIC GEAR BASED ON HALBACH ARRAY

Jixie qiangdu, 2017
The cycloid magnetic gear transfers speed through the inner rotor rotation and revolution to get a higher transmission ratio and torque density. The permanent magnets were arranged by Halbach in order to improve the magnetic flux leakage and the utilization of permanent magnets,and a prototype was designed and manufactured according to the working ...
HAO WeiNa, ZHOU Jun
openaire   +1 more source

An Analytical Subdomain Model of Torque Dense Halbach Array Motors

Energies, 2018
A two-dimensional mathematical model estimating the torque of a Halbach Array surface permanent magnet (SPM) motor with a non-overlapping winding layout is developed.
Moadh Mallek, Yingjie Tang, Jaecheol Lee, Taoufik Wassar, Matthew A. Franchek, Jay Pickett   +5 more
doaj   +1 more source

A Hybrid Brake System for e-Scooters: Design, Optimization, and Performance-Validation Study of Axial Flux Eddy-Current Brake With Halbach Array

IEEE Access
This paper proposes a novel hybrid brake system designed to improve the safety and performance of personal e-mobility devices, specifically electric kick scooters (e-scooters). The system integrates a foot brake and an axial flux eddy current brake (ECB)
Gilsu Choi, Gwan-Hui Jang
doaj   +1 more source

The Effect of Magnet Magnetization Vector Orientation in Halbach Arrays on the Effectiveness of Separation

Acta Physica Polonica A, 2014
Magnetic separation is one of the methods that are used to separate magnetic and non-magnetic components from an input mixture. Its e ectiveness strongly depends on the strength and distribution of magnetic eld in the separator. It is economical to use Halbach permanent magnet arrays to create a suitable magnetic eld, since they do not change their ...
J. Repková, M. Mahuliaková, D. Ciprian, M. Lesňák, J. Luňáček   +4 more
openaire   +1 more source

Effect of the passive damping plate on the vertical stability of permanent magnet electrodynamic suspension system

IET Electric Power Applications
The vertical stability of permanent magnet (PM) electrodynamic suspension (EDS) system with a passive damping plate is studied because of the well‐known under‐damped nature of the EDS suspension system.
Cheng Luo, Kunlun Zhang, Huixian Zhang
doaj   +1 more source

An Experiment and Detection Scheme for Cavity-based Cold Dark Matter Searches

, 2017
A resonance detection scheme and some useful ideas for cavity-based searches of light cold dark matter particles (such as axions) are presented, as an effort to aid in the on-going endeavors in this direction as well as for future experiments, especially
Bukhari, M. H. S., Shah, Z. H.
core   +2 more sources

Permanent magnets including undulators and wigglers

, 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