Results 31 to 40 of about 3,140 (217)

On the possibility of Vacuum-QED measurements with gravitational wave detectors [PDF]

open access: yes, 2014
Quantum electro dynamics (QED) comprises virtual particle production and thus gives rise to a refractive index of the vacuum larger than unity in the presence of a magnetic field.
Grote, Hartmut
core   +2 more sources

Experimental Validation of a Modified Halbach Array for Improved Electrodynamic Suspension Efficiency

open access: yesEnergies
In this work, we present an experimental validation of a modified Halbach array magnet configuration for passive electrodynamic suspension (EDS) systems. The study builds upon previous research that indicated improved lift-to-drag performance and reduced
Tomasz Kublin   +2 more
doaj   +1 more source

Optimum Design for Slot-type of Stator Based on PM Motor with Halbach Structure

open access: yesMATEC Web of Conferences, 2015
The performance of permanent magnet motor is directly influenced by the PM structure of rotor and the slot type of stator. An emerging rotor magnetization type of PM motor is Halbach structure, which has obvious advantages in comparison to ordinary ...
Zhu Yongxin, Qiao Mingzhong
doaj   +1 more source

Application of Convex Halbach Array in EDS System

open access: yes机车电传动, 2020
For the insufficient levitation-drag ratio problem of EDS system with traditional rectangular permanent magnet Halbach array, the convex Halbach array with more reasonable magnetic field distribution was adopted for improvement.
Xiulu ZHANG, Min ZHANG, Weihua MA
doaj  

Vibration energy harvesting using the Halbach array

open access: yes, 2012
This paper studies the feasibility of vibration energy harvesting using a Halbach array. A Halbach array is a specific arrangement of permanent magnets that concentrates the magnetic field on one side of the array while cancelling the field to almost ...
Beeby, Steve   +3 more
core   +1 more source

Superconducting Bearing Design for Outer Rotor Flywheel Using Lumped Parameter Techniques [PDF]

open access: yes, 2014
This paper describes the application of lumped parameter modeling techniques to designing high temperature superconducting bearings for outer-rotor flywheel energy storage systems.
Chen, D, Longoria, R. G.   +2 more
core   +1 more source

Halbach permanent magnet array characterization [PDF]

open access: yesAIP Advances
The Halbach permanent magnet array (HPMA) is a convenient and cost-effective way to generate strong magnetic fields in low-field magnetic resonance imaging (MRI).
Jiaxin Du   +7 more
doaj   +1 more source

Comparison between Radial and Halbach Array PMLSM by Employing 2-D Electromagnetic Finite Element Analysis [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2016
The replacement of steam catapults with electromagnetic ones is becoming an overwhelming trend in aircraft launch systems. The Electromagnetic Aircraft Launch System (EMALS) offers significant benefits to the aircraft, ship, personnel, and operational ...
H. Moradi CheshmehBeig   +1 more
doaj   +1 more source

Suspension Design, Modeling, and Testing of a Thermo-Acoustic-Driven Linear Alternator [PDF]

open access: yes, 2018
The Score-Stove™ generates electricity from a wood-burning cooking stove using a thermo-acoustic engine (TAE) that converts heat to sound through a linear alternator (LA).
Jinks, R.   +3 more
core   +1 more source

Optimal Design of a New Rotating Magnetic Beacon Structure Based on Halbach Array

open access: yesApplied Sciences, 2022
At present, the magnetic signals generated by the common artificial magnetic beacons change periodically with sinusoidal law, and there is a multi-value problem in measuring the target orientation by using the phase information of the magnetic signals ...
Bo Li   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy