The magnetic recoil spectrometer (MRS) system was established and optimized for precisely measuring the absolute neutron energy spectrum in high-resolution implosion experiments at the High Magnetic Field Laboratory of the Chinese Academy of Sciences (CHFML). The MRS system generates an irregular magnetic field that is …

The magnetic recoil spectrometer (MRS) system was established and optimized for precisely measuring the absolute neutron energy spectrum in high-resolution implosion experiments at the High Magnetic Field Laboratory of the Chinese Academy of Sciences (CHFML). The MRS system generates an irregular magnetic field that is wedge-shaped …

An infinitely long cylinder made from a hard permanent magnet material is polarized in a continuous way such that the magnetization vector undergoes a rotation by 720° along the circumference of the ring ... which quantifies the more efficient use of the space available on the magnet circle by the prism-shaped magnets. On the other hand, …

1.0 Magnet Materials. 2.0 Material Comparisons. 3.0 Magnetic Strength. 4.0 Magnetic Ratings. 5.0 Magnetic Properties. 6.0 Maximum Operating Temperatures. 1.0 What Magnet Materials Can I Choose From? There …

Compared with the 10 basic configurations of the ring-shaped permanent magnets, configuration (B2), the outer magnetic ring magnetized radially, and the inner one magnetized axially, meet the ...

The permanent magnet hypothesis: an intuitive approach to designing non-circular magnet arrays with high field homogeneity. Sumit Tewari & Andrew Webb. …

2.1 Permanent magnet models. Two permanent magnet arrangements were considered in this study. Initially, a C-shaped permanent magnet model was developed based on the Vasile and Muller model [], with 1 gap (Fig. 2a).In a magnetic circuit, the gap represents an element of high reluctance since air has a lower magnetic …

1. Introduction. In many applications ranging from robotics to energy harvesting devices, permanent magnets are essential components [1].Due to the advancements in manufacturing technology, the rising automotive market and global shift towards sustainable energy generation (according to Global Market Insights, Inc, 4 North …

Describe and interpret drawings of magnetic fields around permanent magnets and current-carrying wires. Calculate the magnitude and direction of magnetic force in a …

Zhao H, et al. [5] introduced a new V-shaped magnetic gear direct drive motor to improve the torque and power density by extending the inner rotor shaft and designed a prototype based on the ...

The extensive magnet shaping methods, such as magnet pole-shaped optimization [1,10], mixed material PMs [9,11] and sinusoidal magnet poles [12] [13][14], have been reported to obtain a sinusoidal ...

shaped Nd–Fe–B permanent magnet with a 2500 G maximum. flux density at the surface is assumed in the simulations. The. parameters of the PM–HTS system are given in table 1.T h e.

Abstract: Surface-mounted permanent magnet (SPM) motors with shaped magnets and a quasi-regular polygon rotor core (QPRC) are challenging to analyze in terms of accuracy and speed because of the special structure. This article proposes a new technique for the subdomain method which can accurately predict the electromagnetic …

Abstract: Interior permanent magnet (IPM) motors have garnered widespread popularity in electric vehicle (EV) applications due to their distinctive advantages, including superior torque density, high efficiency, and a wide speed range. In this work, the asymmetric hybrid-layer del-shaped ( $nabla $ -shaped) IPM motor is …

The new transducer consists of a fan-shaped periodic permanent magnet with three centripetal coils while the center of the coil is defined as the focal point. The propagation direction of the SH guided wave excited by the Lorentz force is pre-determined as it propagates bidirectionally along the surface of the aluminum plate and …

It is well known that permanent magnet Vernier machine (PMVM) has multiple flux field harmonics, which can produce stable torque. However, some flux field harmonics would create torque that undermines the total torque output. Such as the 6 slots 26 poles split-tooth PMVM here, of which modulated flux field outputs torque while fundamental flux …

A U-shaped ironless permanent magnet linear synchronous motor, made by our group, is studied in this paper. The magnetic flux density stabilization is a primary problem, as the air-gap magnetic ...

Periodic permanent magnet electromagnetic acoustic transducers (PPM EMATs) effectively generate shear horizontal (SH) ultrasonic guided waves in metallic media. Depending on their construction parameters, PPM EMATs can generate ultrasonic waves towards unwanted directions, due to the presence of side lobes in their radiation pattern.

The hollow-cup Permanent Magnet (PM) motors have the characteristics of low power consumption, and are widely used in the aerospace field. At present, the tile-shaped PMs used by hollow-cup PM ...

Flux reversal linear rotary permanent magnet actuator (FR-LRPMA) is a two-degree-of-freedom actuator with two ferro-magnetic (Fe) poles and two permanent magnet (PM) poles mounted on the surface ...

A novel ring-shaped permanent-magnet passive vibration isolator is mainly reported in this paper. An analytical expression of axial magnetic force of the isolator is derived and validated by the finite element analysis and experiment. It proves that the analytical expression is efficient. An analytical expression of the axial stiffness of the…

Improved V-shaped interior permanent magnet rotor topology with inward-extended bridges for reduced torque ripple ISSN 1751-8660 Received on 8th October 2019 Revised 29th July 2020 Accepted on 18th August 2020 E-First on 17th September 2020 doi: 10.1049/iet-epa.2019.0850 Peng Gao1,β, Xibin Sun1, David Geradaγ, …

Interior permanent magnet synchronous machines (IPMSMs) with V-shaped permanent magnet (PM) rotors are widely used as traction motors in electric vehicles because of their high torque density and high efficiency. However, the V-shape IPMSMs have the disadvantages of inevitable torque ripple due to the non-sinusoidal air …

High Performance Magnets and Precision Assemblies. Arnold's high-performance permanent magnets have a wide variety of applications, from electric motors on ships, aircraft, and motorsport cars to pump couplings, batteries, solar panels and NMR Equipment. Our diverse markets allow us to keep our technologies on the leading edge …

In the hybrid system, the additional permanent magnet is set on the other side of the HTSC. Repulsive force of the permanent magnets is used for the levitation. Thus levitation force is increased [5]. In this system, one permanent magnet is installed in the rotor [6], and the other ring shaped permanent magnet and the HTSC are installed …

Air conditioning system of electric vehicles has new change as the internal combustion engine is being replaced with electrified AC motor. With large amount of batteries installed at the bottom of frame, the conventional compressor, which is belt-driven, can be removed, and another AC motor can play the role for air conditioning in electric …

With the merits of the excellent self-stabilization, the high-temperature superconducting (HTS) magnetic levitation (maglev) system is relatively appropriate for high-speed railway transportation. The suspension force and guidance force are mainly produced by the interaction between the HTS bulks and the permanent magnet …

GE Signa 1.5T superconducting scanner. Aperto 0.4T permanent magnet scanner. Oasis 1.2T HFO superconducting scanner. Promaxo 0.064T single-sided scanner. Magnetic field created by solenoid. C-shaped permanent magnet. Dipolar electromagnet design. Conical Hallbach array of rare-earth magnets (yellow) Closed bore (cylindrical ...

The third harmonic can be injected into the Sinusoidal shaped permanent magnets (PM) to improve the average torque in three-phase surface-mounted PM (SPM) machines without deteriorating the torque ripple caused by back-EMFs harmonics. However, the influence of the...