نتایج جستجو برای: electrostatic waves

تعداد نتایج: 137357  

2006
P. K. Shukla

Abstract Nonlinear interactions involving electrostatic upper-hybrid (UH), ion-cyclotron (IC), lowerhybrid (LH), and Alfvén waves in quantum magnetoplasmas are considered. For this purpose, the quantum hydrodynamical equations are used to derive the governing equations for nonlinearly coupled UH, IC, LH, and Alfvén waves. The equations are then Fourier analyzed to obtain nonlinear dispersion re...

Journal: :Optics express 2014
Yuanjiang Xiang Jun Guo Xiaoyu Dai Shuangchun Wen Dingyuan Tang

A kind of tunable hyperbolic metamaterial (HMM) based on the graphene-dielectric layered structure at near-infrared frequencies is presented, and the engineered surface Bloch waves between graphene-based HMM and isotropic medium are investigated. Our calculations demonstrate that the frequency and frequency range of surface Bloch waves existence can be tuned by varying the Fermi energy of graph...

2009
Jerzy Mizeraczyk

the electrohydrodynamic (EHD) flow in a relatively wide electrostatic precipitator (ESP) (width:height = 2) is 2-or 3-dimensional (3D). The previous our measurements of 3D time-averaged flow velocity fields suggested that the flow in the ESP duct centre is almost 2-dimensional. In this paper we present both the 3D instantaneous and time-averaged flow velocity fields in a relatively wide ESP (wi...

2001
Gurudas Ganguli Robert Merlino Abhijit Sen

Novel properties introduced by charged particulates in a plasma medium and how they influence excitation and propagation of waves are discussed. Such a medium, commonly known as dusty plasma, is generated in the near Earth environment by dust and other debris of meteoric origin and exhausts and effluents from space platforms. A novel feature of dusty plasma is that the charge to mass ratio can ...

Journal: :Journal of Geophysical Research: Space Physics 2016

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