نتایج جستجو برای: non uniform magnetic field

تعداد نتایج: 2329349  

Ali Kimiaeifar Ali Reza Akhgar Mozaffar Ali Mehrabian, Vahid Golkarfard,

The effects of chemical reaction, thermal stratification, Soret and Dufour numbers on magneto-hydrodynamic free convective heat and mass transfer of a viscous, incompressible,and electrically conducting fluid on a vertical stretching surface embedded in a saturated porous medium are presented. A similarity transform is used to reduce the governing partial differential equations into a syste...

Journal: :Physics in medicine and biology 2001
D W Litzenberg B A Fraass D L McShan T W O'Donnell D A Roberts F D Becchetti A F Bielajew J M Moran

Monte Carlo studies have recently renewed interest in the use of the effect of strong transverse and longitudinal magnetic fields to manipulate the dose characteristics of clinical photon and electron beams. A 3.5 T superconducting solenoidal magnet was used to evaluate the effect of a longitudinal field on both photon and electron beams. This note describes the apparatus and demonstrates some ...

Journal: :Journal of Magnetism and Magnetic Materials 2022

Here we propose a method of the excitation perpendicular standing spin waves (PSSWs) different orders in an optomagnonic microcavity by ultrashort laser pulses. The is formed magnetic dielectric film surrounded non-magnetic Bragg mirrors. Optical cavity modes layer provide concentration and strongly non-uniform distribution optical power over thickness therefore induce effective field inverse F...

2011
Pardeep Kumar Hari Mohan

The double-diffusive convection in a compressible couple-stress fluid layer heated and soluted from below through porous medium is considered in the presence of a uniform vertical magnetic field. Following the linearized stability theory and normal mode analysis, the dispersion relation is obtained. For stationary convection, the compressibility, stable solute gradient, magnetic field, and coup...

2017
M. M. Rashidi Z. Yang Muhammad Awais Maria Nawaz Tasawar Hayat

Analysis has been conducted to present the generalized magnetic field effects on the flow of a Burgers' nanofluid over an inclined wall. Mathematical modelling for hydro-magnetics reveals that the term "[Formula: see text]" is for the Newtonian model whereas the generalized magnetic field term (as mentioned in Eq 4) is for the Burgers' model which is incorporated in the current analysis to get ...

2012
G. ASHWINI C. POORNIMA A. T. ESWARA

An analysis is performed to study the effect of non-uniform slot injection (suction) into a steady two-dimensional laminar boundary layer flow with an applied magnetic field. Non-similar solutions have been obtained from the starting point of the streamwise co-ordiante to the exact point of separation. The difficulties arising at the starting point of the streamwise co-ordinate, at the edges of...

2001
M. Kaneko F. Sekine Y. Okabe

Even in magnetic shield, external magnetic field could not be neglected especially for magneto-meter system, and, it will be considered as uniform external noise. Also, the noise is caused by nearer external source, and is not uniform one of the noise. In this paper, the influence of the external uniform field and the external gradient noise on inverse problem solution by the SMN (Selective Min...

Journal: :Communications in Contemporary Mathematics 2022

In this paper, we estimate the magnetic Laplacian energy norm in appropriate planar domains under a weak regularity hypothesis on field. Our main contribution is an averaging estimate, valid small cells, allowing us to pass from non-uniform uniform fields. As matter of application, derive new upper and lower bounds lowest eigenvalue Dirichlet which match regime large field intensity. Furthermor...

2015
A. K. Gupta S. K. Dhiman

The effect of uniform vertical magnetic field on the onset of steady Rayleigh-Bènard-Marangoni convection in a relatively hotter or cooler layer of electrically conducting liquid is studied theoretically by means of modified linear stability analysis. The top surface of the layer is non-deformable free where surface tension gradients arise on account of variation of temperature, and the bottom ...

Journal: :Brain stimulation 2013
Marom Bikson Jacek Dmochowski Asif Rahman

Transcranial stimulation encompasses all non-invasive brain stimulation techniques where electrical current is generated or induced in the brain for experimental or therapeutic purposes using scalp electrodes or magnetic coils. Each modality (e.g. transcranial current stimulation, cranial electrotherapy stimulation, transcranial magnetic stimulation, electroconvulsive therapy) produces a spatio...

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