Results 11 to 20 of about 1,062,938 (302)

Development of an Inner Finishing Method for Brass Cone Pipe via a Movable Manual Electromagnet in a Magnetic Abrasive Finishing Process

open access: yesMetals, 2021
This paper describes the development of a movable manual electromagnet with an adjustable flux density to improve the inner surface smoothness of a cone pipe using a magnetic abrasive finishing process.
Jeong Su Kim   +5 more
doaj   +1 more source

Optimization of Ferrites Structure by Using a New Core-Less Design Algorithm for Electric Vehicle Wireless Power Transfer

open access: yesEnergies, 2021
In order to improve the customers’ continuous usage of electrical vehicles (EVs) and reduce the weight of the energy storage devices, wireless charging technology has been widely studied, updated, and commercialized in recent decades, regarding to its ...
Kaiwen Chen   +3 more
doaj   +1 more source

A nonlinear equivalent circuit model for flux density calculation of a permanent magnet linear synchronous motor [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2015
In this paper, a nonlinear magnetic equivalent circuit is presented as an analytical solution method for modeling of a permanent magnet linear synchronous motor (PMLSM). The accuracy of the proposed model is verified via comparing its simulation
Ghanaee Reza   +4 more
doaj   +1 more source

Evaporation of Small Sessile Drop Deposited on a Horizontal Solid Surface: New Exact Solutions and Approximations

open access: yesColloids and Interfaces, 2023
Evaporating a liquid sessile drop deposited on a horizontal surface is an important object of applications (printing technologies, electronics, sensorics, medical diagnostics, hydrophobic coatings, etc.) and theoretical investigations (microfluidics ...
Peter Lebedev-Stepanov, Olga Savenko
doaj   +1 more source

Analysis of Core Loss of Permanent Magnet Synchronous Machine for Vehicle Applications under Different Operating Conditions

open access: yesApplied Sciences, 2020
Permanent magnet synchronous machines (PMSMs) are widely used in electric vehicles due to their high power density, high efficiency, etc. Core losses account for a significant component of the total loss in PMSMs.
Guohui Yang, Shuo Zhang, Chengning Zhang
doaj   +1 more source

Grouping of experimental conditions as an approach to evaluate effects of extremely low frequency magnetic fields on oxidative response in in vitro studies

open access: yesFrontiers in Public Health, 2014
A large body of literature deals with biological effects of extremely low frequency magnetic fields (ELF MF) studied in vitro. Despite the multitude of studies, no coherent picture has evolved regarding the plausibility of effects at low flux densities ...
Mats-Olof eMattsson, Myrtill eSimkó
doaj   +1 more source

Limits to ion energy control in high density glow discharges: Measurement of absolute metastable ion concentrations [PDF]

open access: yes, 1993
Unprecedented demands for uniformity, throughput, anisotropy, and damage control in submicron pattern transfer are spurring development of new, low pressure, high charge density plasma reactors.
Giapis, Konstantinos P.   +4 more
core   +1 more source

Asymmetric mass-loss from the white dwarf WD 0253+209 : Secret revealed

open access: yesBibechana, 2012
Dust structures around the white dwarf WD 0253+209 is studied in 100 and 60 micron infrared image. These images are received from Infrared Astronomical Satellite Survey (IRAS Survey).
Binil Aryal
doaj   +3 more sources

Torque Distribution Characteristics of a Novel Double-Stator Permanent Magnet Generator Integrated with a Magnetic Gear

open access: yesEnergies, 2016
This paper presents a novel double-stator permanent-magnet machine integrated with a triple rotor magnetic gear structure, which is proposed to address problems of mechanical geared generators for low-speed applications.
Shehu Salihu Mustafa   +4 more
doaj   +1 more source

Drenagem interna e lixiviação de nitrato em um latossolo sob sucessão milho-braquiária-milho, com diferentes doses de nitrogênio Internal drainage and nitrate leaching in a typic hapludox under a maize-brachiaria-maize succession at different nitrogen fertilizer rates

open access: yesRevista Brasileira de Ciência do Solo, 2009
A adubação nitrogenada ideal deve ser definida para satisfazer a necessidade da cultura, mas com o mínimo de risco ao ambiente. Para isso, é necessário que a recomendação da adubação nitrogenada seja a mais exata possível.
Flávia Carvalho Silva Fernandes   +1 more
doaj   +1 more source

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