Results 41 to 50 of about 1,018,848 (380)

A Real-Time Computation Model of the Electromagnetic Force and Torque for a Maglev Planar Motor with the Concentric Winding

open access: yesApplied Sciences, 2017
The traditional model of the electromagnetic force and torque does not take the coil corners into account, which is the major cause for the motor fluctuation.
Baoquan Kou   +4 more
doaj   +1 more source

Electromagnetic induction and damping - quantitative experiments using PC interface [PDF]

open access: yes, 2001
A bar magnet, attached to an oscillating system, passes through a coil periodically, generating a series of emf pulses. A novel method is described for the quantitative verification of Faraday's law which eliminates all errors associated with angular ...
Kumar, Satyendra   +2 more
core   +2 more sources

FINITE-ELEMENT CALCULATION OF ELECTROMAGNETIC FORCES IN THE DEFERENT SHAPES OF DISTRIBUTION TRANSFORMERS WINDING UNDER SHORT CIRCUIT CONDITION

open access: yesJournal of Engineering and Sustainable Development, 2022
This paper is concerned with calculating the electromagnetic forces in the windings of distribution transformers with different shapes of coils. The electromagnetic forces as well as the magnetic flux density and their distribution were analyzed and ...
Weeam J. Hussein, Kassim R. Hameed
doaj   +3 more sources

Optimisation of Energy Transfer in Reluctance Coil Guns: Application to Soccer Ball Launchers

open access: yesApplied Sciences, 2020
Reluctance coil guns are electromagnetic launchers having a good ratio of energy transmitted to actuator volume, making them a good choice for propelling objects with a limited actuator space. In this paper, we focus on an application, which is launching
Valentin Gies   +6 more
doaj   +1 more source

Design Optimization and Comparison of Cylindrical Electromagnetic Vibration Energy Harvesters

open access: yesSensors, 2021
Investigating the coil–magnet structure plays a significant role in the design process of the electromagnetic energy harvester due to the effect on the harvester’s performance.
Tra Nguyen Phan   +3 more
doaj   +1 more source

Impedance-based Health Monitoring of Electromagnetic Coil Insulation Subjected to Corrosive Deterioration

open access: yesAnnual Conference of the PHM Society, 2016
Electromagnetic coils are widely used components in a variety of industries and systems, and their failure can lead to catastrophic failure of the system in which they are placed.
N. J. Jameson, M. Azarian, M. Pecht
semanticscholar   +1 more source

Design of wideband vibration-based electromagnetic generator by means of dual-resonator [PDF]

open access: yes, 2014
This paper describes the design of a wideband electromagnetic energy harvester that utilizes a novel dual-resonator method to improve the operational frequency range of the vibration-based generator. The device consists of two separate resonator systems (
Gilbert, J. M., Ooi, B. L.
core   +1 more source

Joule‐Assisted Nanotherapeutic Urethral Stent (JANUS) for Spatiotemporal Theragenerative Treatment of Urethral Strictures

open access: yesAdvanced Functional Materials, EarlyView.
Joule‐assisted nanotherapeutic urethral stent harnesses a smart, biodegradable magnesium stent to orchestrate spatiotemporal theragenerative therapy for urethral strictures. Magnetically induced Joule heating enables on‐demand drug release and bacterial ablation, while simultaneously guiding urothelial regeneration.
Yuhyun Na   +15 more
wiley   +1 more source

Magnetomotive forming for precision sizing and joining of large-diameter tubes [PDF]

open access: yes, 1969
Portable electromagnetic coil enables high precision expansion or constriction and joining of large diameter metal tubes. A nonconducting mandrel or forming die is used on the side of the tubes wall opposite the coil.
Bennight, J. D., Schwinghamer, R. J.
core   +1 more source

Electromagnetic Imaging with Atomic Magnetometers: A Novel Approach to Security and Surveillance [PDF]

open access: yes, 2016
We describe our research programme on the use of atomic magnetometers to detect conductive objects via electromagnetic induction. The extreme sensitivity of atomic magnetometers at low frequencies, up to seven orders of magnitude higher than a coil-based
Deans, Cameron   +3 more
core   +2 more sources

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