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The study on the measuring method of the eddy current on the eddy current brake
9th International Conference on Electrical Machines and Drives, 1999It is important to analyse the characteristic of the flux density and eddy current on the inner part of the electric machine in order to raise the efficiency of the machine. In general, characteristics of the machines are investigated using the numerical analysis.
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International Journal of Electrical Engineering & Education, 1978
An experiment which shows negligible reaction from eddy currents in iron on their inducing field is described. The observations are shown to agree with the extension of Searle's results for the magnetic field of a long current filament in iron to an aggregation of current filaments such as eddy currents.
J. Greig, David Thompson
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An experiment which shows negligible reaction from eddy currents in iron on their inducing field is described. The observations are shown to agree with the extension of Searle's results for the magnetic field of a long current filament in iron to an aggregation of current filaments such as eddy currents.
J. Greig, David Thompson
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Deep Sea Research Part II: Topical Studies in Oceanography, 2005
Abstract Measurements by a variety of sensors provided details of flow in Haida Eddies, which are anticyclonic, mesoscale features that move slowly westward through the eastern Gulf of Alaska. These measurements provided the best comparison and analysis to date of mesoscale eddy currents by various ship- and satellite-based sensors.
Douglas Yelland, William R. Crawford
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Abstract Measurements by a variety of sensors provided details of flow in Haida Eddies, which are anticyclonic, mesoscale features that move slowly westward through the eastern Gulf of Alaska. These measurements provided the best comparison and analysis to date of mesoscale eddy currents by various ship- and satellite-based sensors.
Douglas Yelland, William R. Crawford
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Symmetric Coupling for Eddy Current Problems
SIAM Journal on Numerical Analysis, 2002Summary: A novel symmetric finite element method-boundary element method-coupling for the \(\mathbf{E}\)-based eddy current model is derived in a rigorous fashion. To that end, the properties of potentials and boundary integral operators arising from a Stratton-Chu-type representation formula for the electric field in the nonconducting region are ...
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1982
A new concept, phasography, has been developed showing excellent potential for high resolution imaging of flaws using eddy current data. The process may be thought of as an eddy current equivalent to acoustic holography. Phase multiplication of the detected coherent signal is used to simulate a test wavelength one to two orders of magnitude smaller ...
H. Dale Collins +3 more
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A new concept, phasography, has been developed showing excellent potential for high resolution imaging of flaws using eddy current data. The process may be thought of as an eddy current equivalent to acoustic holography. Phase multiplication of the detected coherent signal is used to simulate a test wavelength one to two orders of magnitude smaller ...
H. Dale Collins +3 more
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IEEE Transactions on Magnetics, 1985
This paper has two goals: 1) to present a bibliographic survey of numerical methods for eddy current field computation and device modelling, and 2) to discuss the application of constraints to eddy current/skin effect problems.
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This paper has two goals: 1) to present a bibliographic survey of numerical methods for eddy current field computation and device modelling, and 2) to discuss the application of constraints to eddy current/skin effect problems.
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1995
Eddy current analysis is essential in determining the behavior of electric machines. In some classes of machinery, such as induction motors, eddy currents are responsible for producing the main torque. In other situations an analysis of eddy currents is necessary to find losses, resistance and reactance (see chapter 5).
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Eddy current analysis is essential in determining the behavior of electric machines. In some classes of machinery, such as induction motors, eddy currents are responsible for producing the main torque. In other situations an analysis of eddy currents is necessary to find losses, resistance and reactance (see chapter 5).
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2001
The eddy current non-destructive inspection technique can be used effectively on fibre metal laminates. It uses the principle of electromagnetic induction, i.e. the interaction between a magnetic field with an electrically conductive object. With this method, the different Fibre Metal Laminate types can be easily discriminated and fatigue cracks in the
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The eddy current non-destructive inspection technique can be used effectively on fibre metal laminates. It uses the principle of electromagnetic induction, i.e. the interaction between a magnetic field with an electrically conductive object. With this method, the different Fibre Metal Laminate types can be easily discriminated and fatigue cracks in the
openaire +1 more source