Results 61 to 70 of about 563,369 (296)

Influence of nanoparticles inclusion into water on convective magneto hydrodynamic flow with heat transfer and entropy generation through permeable domain

open access: yesCase Studies in Thermal Engineering, 2020
The non-Darcy hybrid nanofluid 2-D flow through a wavy enclosure is simulated via CVFEM (control volume finite element method) and analyzed using entropy optimization by incorporating the impacts of an ambient constant magnetic field and a heat energy ...
Zahir Shah   +3 more
doaj   +1 more source

Fabrication and magnetic control of Y3Fe5O12 cantilevers

open access: yes, 2017
We have fabricated ferrite cantilevers in which their vibrational properties can be controlled by external magnetic fields. Submicron-scale cantilever structures were made from Y3Fe5O12 (YIG) films by physical etching combined with use of a focused ion ...
Chudo, Hiroyuki   +8 more
core   +1 more source

Solar Force-free Magnetic Fields [PDF]

open access: yes, 2012
The structure and dynamics of the solar corona is dominated by the magnetic field. In most areas in the corona magnetic forces are so dominant that all non-magnetic forces like plasma pressure gradient and gravity can be neglected in the lowest order ...
Sakurai, Takashi, Wiegelmann, Thomas
core   +2 more sources

Electromagnetic Force on a Magnetic Monopole [PDF]

open access: yesProgress of Theoretical Physics, 1984
The electromagnetic force on a magnetic monopole in matter is shown to be F=g(H-v\ifmmode\times\else\texttimes\fi{}E/c) when there is only one magnetic monopole in matter. The relation between this force and the conservation law of momentum is discussed. The case in which a macroscopic number of magnetic monopoles exist in matter is also discussed.
openaire   +2 more sources

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

A MHD reverse flow in 90 degree bend

open access: yes, 2018
A two-dimensional flow in a 90 degree bent channel is considered. A magnetic field is uniform and parallel to inlet branch of the channel. A spectral/hp element method was used for liquid motion calculations. Three types of steady flows were detected. It
Proskurin, Alexander V.   +1 more
core   +1 more source

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick   +19 more
wiley   +1 more source

Modelling and analysis of the intersecting axis permanent magnet eddy‐current coupler

open access: yesIET Electric Power Applications
The permanent magnet eddy‐current coupler (PMEC) is a kind of non‐contact, stepless speed regulation device and has been widely used in transmissions.
Jun Luo   +8 more
doaj   +1 more source

Analysis of magnetic force production in slider actuators combining analytical and finite element methods

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
The production of magnetic forces in a magnetic actuator is the focus of the present analysis. Magnetic circuit analysis is used to investigate the direction as well as the expected order of magnitude of the force that attracts the armature into the ...
Antônio Flavio Licarião Nogueira
doaj   +1 more source

Light diffraction in rotating magnetic emulsions in a magnetic field

open access: yesAIP Advances, 2022
The light diffraction in magnetic emulsions with droplets of a kerosene based magnetic fluid in AMG-10 hydraulic oil under the influence of magnetic and hydrodynamic fields has been studied experimentally.
Constantine V. Yerin, Sergey S. Belykh
doaj   +1 more source

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