نتایج جستجو برای: magneto hydro dynamics
تعداد نتایج: 460799 فیلتر نتایج به سال:
This work demonstrates nanoscale magnetic imaging using bright circularly polarized high-harmonic radiation. We utilize the magneto-optical contrast of worm-like magnetic domains in a Co/Pd multilayer structure, obtaining quantitative amplitude and phase maps by lensless imaging. A diffraction-limited spatial resolution of 49 nm is achieved with iterative phase reconstruction enhanced by a holo...
In this study, we consider the vibration mitigation problem for a structural system using a magneto-rheological (MR) damper. For this purpose, through the use of Lyapunov-based design techniques, a nonlinear adaptive controller which can compensate the parametric uncertainties related to both the structural system and the MR damper has been constructed. To overcome effects of the unmeasurable i...
Magneto-optical sensors including spin noise spectroscopies and magneto-optical Kerr effect microscopies are now ubiquitous tools for materials characterization that can provide new understanding of dynamics, hyperfine interactions, spin-orbit charge-carrier g-factors. Both interferometric intensity-difference measurements photon shot-noise limited sensitivity, but further improvements in sensi...
In this research, Magneto-Hydro-Dynamic subsonic flow in a MHD generator has been simulated and its effect on efficiency and power generation of a triple cycle has been investigated. A 2D constant cross-section Faraday channel with segmented electrodes was used as MHD generator. MHD flow was assumed steady and compressible with ideal five-wave model MHD equations. Navier-Stokes equations were ...
Although important improvements have been achieved in the comprehension of astrophysical jets, several questions remain open, including jet formation, propagation in an external medium and survival to potentially disruptive instabilities [1]. Jets produced in laboratory are scalable to astrophysical conditions. In particular, jets produced by conical wire arrays are especially suitable to study...
We show that the interaction between a plasmonic and a magnetoplasmonic metallic nanodisk leads to the appearance of magneto-optical activity in the purely plasmonic disk induced by the magnetoplasmonic one. Moreover, at specific wavelengths the interaction cancels the net electromagnetic field at the magnetoplasmonic component, strongly reducing the magneto-optical activity of the whole system...
We study the quantum-interference eeect for the single ballistic Aharonov-Bohm billiard in the presence of a weak magnetic eld B. The diagonal part of the wave-number averaged reeection coeecient R D is calculated by use of semi-classical scattering theory. In addition to the appearance of "h=2e oscil-lation" which is caused by interference between time-reversed coherent back-scattering classic...
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