Optimal Inverse Design of Magnetic Field Profiles in a …
2020年11月3日 · We illustrate this method by designing hybrid systems that generate a range of magnetic field profiles to high accuracy over large interior volumes, and simulate them in real-world shields whose passive components have finite permeability, thickness, and …
Magnetic field profile analysis for gyrotron experimental …
2017年3月1日 · The external applied magnetic field plays a main role on the gyrotron operation. Even if the gyrotron design is optimized for the nominal magnetic profile, it is possible the performance to be better for an alternative one.
Magnet field profiling: analysis and correcting coil design
A full mathematical framework for the analysis and production of localized magnetic field profiles is presented. Of primary use in the production of highly homogeneous fields for nuclear magnetic resonance studies, the paper details the analysis of fields …
Simple method for the generation of multiple homogeneous field …
2015年7月17日 · In this communication, we propose a straightforward method using a combination of ring structures of permanent magnets in order to cancel the gradient of the stray field in a series of distinct...
In magnetic transport systems, typically we have E=0. So, . The simplest type of magnetic field is a constant field. A charged particle in a constant field executes a circular orbit, with radius ρ and frequency ω. To find the direction of the force on the particle, use the right-hand-rule.
Two simple modifications to improve the magnetic field profile …
In order to suppress this vertical magnetic field, we propose two modified magnet constructions: (1) adding a permanent magnet in the outer yoke, and (2) decreasing the height of the outer yoke. Finite element method simulations show that, with reasonable optimization, either proposal can lower the vertical magnetic field by about one order of ...
Effect of Surface Roughness on the Magnetic Field Profile in the ...
2016年2月24日 · Low energy μSR allows for a direct measurement of λ by measuring the profile of magnetic field penetration in YBa 2 Cu 3 O x. These results have shown that near the interface, the magnetic field profile differs from a pure exponential decay predicted by the London equation with a flat interface .
THE INFLUENCE OF THE MAGNETIC FIELD ON THE GYROTRON …
2021年2月25日 · The influence of the magnetic-field profile in the gyrotron interaction space on the generation efficiency and frequency was experimentally studied. A profiled magnetic field was created by a system of several low-inductance coils.
Influence of different magnetic field profiles on gyrotron
2019年4月28日 · As we all know, external magnetic field can affect the efficiency of beam mode interaction in gyrotron. This paper puts forward three kinds of magnetic field profile and compares their influence on cavity mode in a 394 GHz gyrotron.
Effects of Different Magnetic Field Profiles on Output Power and ...
This article analyzed and compared the influence of different external magnetic field profiles on start current and beam–wave interaction of a 394-GHz gyrotron. As the simulation results show, the minimum start current corresponding to the linear and parabolic external magnetic field profile is lower than that corresponding to the uniform ...