Results 131 to 140 of about 3,048 (180)

Reducing stress and alcohol-related behaviors by targeting D1-CRHR1 receptor interactions in the amygdala. [PDF]

open access: yesFront Pharmacol
Broccoli L   +14 more
europepmc   +1 more source

Subject grounding to reduce electromagnetic interference for MRI scanners operating in unshielded environments. [PDF]

open access: yesMagn Reson Med
Lena B   +8 more
europepmc   +1 more source
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Optimal segmentation of Halbach sphere

Electronics and Communications in Japan, 2023
AbstractThe direction of magnetization in which the magnetic field becomes the strongest in the x‐axis direction in the spherical coordinate system is used. Its magnetic field depends on the φ direction in the spherical coordinate system, that is, strongest at the top (φ = 0) and the bottom (φ = π), and the side (φ = π⁄2) becomes the weakest. Therefore,
openaire   +1 more source

A New Approach to Shimming Halbach Arrays Using Higher Order Halbach Array Inserts

ISMRM Annual Meeting, 2023
Halbach arrays are an appealing magnet design for low field MRI due to their low weight and cost typically suffer from relatively high B0 inhomogeneity. In this work we show a new approach to shimming Halbach arrays using higher order Halbach inserts which can be designed to target specific spherical harmonic terms.
Thomas O'Reilly   +2 more
openaire   +1 more source

A Halbach array magnetic spring

INTERMAG Asia 2005. Digests of the IEEE International Magnetics Conference, 2005., 2005
This paper summarises a research on a large load bearing magnetic spring concept, which has application to the development of a non-contact vibration isolation table. Also, the paper outlines the design of a magnetic spring with a single degree of instability that is suitable for bearing large loads.
W. Robertson   +2 more
openaire   +1 more source

Virtual Halbach analytical method for improved Halbach magnetized PM slotless planar linear actuators

International Journal of Applied Electromagnetics and Mechanics, 2020
This paper proposes a new virtual Halbach analytical method for improved Halbach permanent magnet (PM) slotless planar linear actuators, which have mixed neodymium iron baron (NdFeB) magnets and ferrite magnets to form a two-segment quasi-Halbach topology with different heights of main and auxiliary magnetic poles.
Qin, Jinchang   +3 more
openaire   +1 more source

Testing of an in-wheel Halbach array motor

2020 International Conference on Electrical Machines (ICEM), 2020
This paper presents the testing of an in-wheel permanent magnet Halbach array machine developed for automotive traction. A machine with a Halbach array rotor is experimentally compared to results from a surface mount variant with the same magnet mass and the finite element analysis (FEA) simulations done during its design.
I. Martinez Ocana   +5 more
openaire   +1 more source

Single Halbach Field Magnet Desined from Dual Halbach Field Magnet for Rotating Machines

2018 21st International Conference on Electrical Machines and Systems (ICEMS), 2018
A coreless synchronous motor with a dual Halbach field magnet (DHFM) has been developed. A cylindrical DHFM equally converted from paralleled dual Halbach array of Permanent magnets (PMs) with the square cross section. The magnetic flux density distribution generated by the DHFM contains little space harmonics.
Nobuo Morimura   +2 more
openaire   +1 more source

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