نتایج جستجو برای: electro magneto hydrodynamic emhd flow

تعداد نتایج: 528206  

Free vibration of a simply-supported magneto-electro-elastic doubly-curved nano-shell is studied based on the first-order shear deformation theory in the presence of the rotary inertia effect. To model the electric and magnetic behaviors of the nano-shell, Gauss’s laws for electrostatics and magneto statics are used. By using Navier’s method, the partial differential equations of motion are red...

Magneto hydrodynamic waves, propagating along spicules, may become unstable and the expected instability is of Kelvin-Helmholtz type. Such instability can trigger the onset of wave turbulence leading to an effective plasma heating and particle acceleration. In present study, two-dimensional magneto hydrodynamic simulations performed on a Cartesian grid is presented in spicules with different de...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
P Dinesh Sankar Reddy Dipankar Bandyopadhyay Sang Woo Joo Ashutosh Sharma Shizhi Qian

Instabilities in a two-phase electromagnetohydrodynamic (EMHD) flow between a pair of parallel electrodes are explored. A linear stability analysis has been performed based on a coupled Orr-Sommerfeld system generated from the conservation laws. The study shows the presence of a finite-wave-number EMHD mode of instability in addition to the two commonly observed instability modes in the pressur...

F. Aloui R. Mestiri* S. Ben Nasrallah

The technique used to control the airflow is based on the electro-hydrodynamic actuator which is also called plasma actuator. This actuator ensures the airflow control thanks to the electric wind created by the electrical corona discharge. This ionic wind is developed at the profile surface tangential to the initial free airflow so that it has a significant effect on the boundary layer flow. Th...

2010
A. Mikhailichenko

We continue our investigation of Lithium Lens (LL) for usage in ILC positron conversion system. Magneto-Hydrodynamic and Thermo-dynamic problems discussed in association with ~100 kA feeding pulsed current. Set of Partial Differential Equations used for description of magneto-hydrodynamics phenomena in liquid Lithium flow. Calculations confirm feasibility of liquid Lithium system. Some interest...

Journal: :journal of solid mechanics 0
a amiri mechanical engineering department, urmia university, urmia, iran g rezazadeh mechanical engineering department, urmia university, urmia, iran r shabani mechanical engineering department, urmia university, urmia, iran a khanchehgardan mechanical engineering department, urmia university, urmia, iran

in this paper, the stability of a functionally graded magneto-electro-elastic (fg-mee) micro-beam under actuation of electrostatic pressure is studied. for this purpose euler-bernoulli beam theory and constitutive relations for magneto-electro-elastic (mee) materials have been used. we have supposed that material properties vary exponentially along the thickness direction of the micro-beam. gov...

Journal: :Applied Mathematics and Mechanics-english Edition 2021

Abstract This study explores the effects of electro-magneto-hydrodynamics, Hall currents, and convective slip boundary conditions on peristaltic propulsion nanofluids (considered as couple stress nanofluids) through porous symmetric microchannels. The phenomena energy mass transfer are considered under thermal radiation heat source/sink. governing equations modeled non-dimensionalized appropria...

Magneto-electro-elastic materials are multiphase smart materials that exhibit coupling among electrical, magnetic and mechanical energy fields. Due to this ability, they have been the topic of numerous research in the past decade. In this paper, buckling behavior of a multiphase magneto-electro-elastic rectangular plate with simply supported boundary conditions is investigated, based on Reddy’s...

2015
João Valente Jun-Yu Ou Eric Plum Ian J. Youngs Nikolay I. Zheludev

Electro- and magneto-optical phenomena play key roles in photonic technology enabling light modulators, optical data storage, sensors and numerous spectroscopic techniques. Optical effects, linear and quadratic in external electric and magnetic field are widely known and comprehensively studied. However, optical phenomena that depend on the simultaneous application of external electric and magn...

Journal: :International Journal of Applied Mechanics and Engineering 2021

Abstract An electro-magnetohydrodynamic (EMHD) two fluid flow and heat transfer of ionized gases through a horizontal channel surrounded by non-conducting plates in rotating framework with Hall currents is investigated. The effect considered an assumption that the are completely strength applied transverse magnetic field strong. governing equations solved analytically for temperature velocity d...

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