A numerical study of the acoustic radiation due to eddy current‐cryostat interactions
Sign Up to like & getrecommendations! Published in 2017 at "Medical Physics"
DOI: 10.1002/mp.12261
Abstract: Purpose To investigate the acoustic radiation due to eddy current‐cryostat interactions and perform a qualitative analysis on noise reduction methods. Methods In order to evaluate the sound pressure level (SPL) of the eddy current induced… read more here.
Keywords: acoustic radiation; warm bore; bore wall; eddy current ... See more keywords
Experimental verification of quasi-nonlinear modeling of magnetic steel for time-harmonic eddy current loss calculation
Sign Up to like & getrecommendations! Published in 2017 at "Electrical Engineering"
DOI: 10.1007/s00202-016-0372-7
Abstract: Eddy current losses are evaluated on FEM (finite element method) models of magnetic steel rings. DC magnetization curve has been obtained from measurements on steel samples and is used in FEM models for defining relative… read more here.
Keywords: time harmonic; calculation; eddy current; magnetic steel ... See more keywords
Helical retaining sleeve for eddy current loss reduction in high-speed SPM machine
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DOI: 10.1007/s00202-021-01218-4
Abstract: A rotor retaining sleeve is mechanically necessary in the structure of high-speed SPM machines to prevent structural failure. However, the significant eddy current loss within metal sleeves leads to a reduction in electromagnetic efficiency and… read more here.
Keywords: current loss; retaining sleeve; eddy current; speed spm ... See more keywords
A Circuit Equation as a Limit of Eddy Current Equations
Sign Up to like & getrecommendations! Published in 2017 at "Archive for Rational Mechanics and Analysis"
DOI: 10.1007/s00205-017-1136-x
Abstract: We consider a three-dimensional time-harmonic eddy current problem formulated in terms of the magnetic field. We prove that in the case of one thin toroidal conductor, eddy current equations have as a limit Kirchhoff’s algebraic… read more here.
Keywords: circuit equation; eddy current; limit eddy; current equations ... See more keywords
A Robust Inversion Method for Quantitative 3D Shape Reconstruction from Coaxial Eddy Current Measurements
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DOI: 10.1007/s10915-016-0241-6
Abstract: This work is motivated by the monitoring of conductive clogging deposits in steam generator at the level of support plates. One would like to use multistatic measurements from coaxial coils in order to obtain estimates… read more here.
Keywords: robust inversion; inversion method; shape; eddy current ... See more keywords
Characterization of defects on rail surface using eddy current technique
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-0816-x
Abstract: In the present study, using eddy current technique (ECT), we explored two kinds of defects commonly found in railroad monitoring. The first one is cracks initiated on the surface of rail head which slowly progresses… read more here.
Keywords: current technique; surface; eddy current; using eddy ... See more keywords
Study of eddy-current loss in the sleeves and Sm–Co magnets of a high-performance SMPM synchronous machine (10 kRPM, 60 kW)
Sign Up to like & getrecommendations! Published in 2017 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2016.08.045
Abstract: Abstract The goal of this paper is to analyze and evaluate the eddy-current losses due to stator slotting in conductive and non-conductive retaining sleeves mounted on the rotor of a high-speed SMPMSM: 60 kW, 10 kRPM, designed… read more here.
Keywords: current loss; machine; study eddy; eddy current ... See more keywords
Mitigation of the error field and eddy currents for the start-up of spherical tokamak using compensation and reverse coils
Sign Up to like & getrecommendations! Published in 2021 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2021.112807
Abstract: Abstract The tokamak is the most popularly accepted device among the fusion community for future fusion reactors. It has an assembly of toroidal field (TF), central solenoid (CS), poloidal field (PF) coils, and compensation coils… read more here.
Keywords: field; eddy currents; eddy current; reverse coils ... See more keywords
Stochastic Speed Regulation of Eddy Current Retarder
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DOI: 10.1016/j.ifacol.2018.10.110
Abstract: Abstract The problem of stochastic speed regulation of the eddy current retarder considering the inaccuracy of the control of the braking torque is researched in this paper. An stochastic speed regulator is designed based on… read more here.
Keywords: speed regulation; stochastic speed; current retarder; speed ... See more keywords
On low cycle fatigue of austenitic steel. Part II: Extraction of information on microcrack density from a combination of the acoustic and eddy current data
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DOI: 10.1016/j.ijengsci.2021.103569
Abstract: Abstract Microstructural information on damage in a metastable austenitic steel developed under low-cycle fatigue conditions is extracted from the acoustic monitoring of Poisson's ratio supplemented by the eddy current, and, under certain conditions, specific weight… read more here.
Keywords: cycle fatigue; low cycle; eddy current; density ... See more keywords
Eddy current separation can be used in separation of non-ferrous particles from crushed waste printed circuit boards
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2021.127755
Abstract: Abstract Waste printed circuit boards are produced greatly due to the wide application of electronic devices, in which non-ferrous metals are valuable resources. Without effective recovery processes, it can cause serious heavy metal pollution. Traditional… read more here.
Keywords: waste printed; non ferrous; eddy current; separation ... See more keywords