نتایج جستجو برای: air core vortices
تعداد نتایج: 426321 فیلتر نتایج به سال:
Olfaction is considered to be an important sensory modality in next-generation virtual reality (VR) systems. We currently focus on spatiotemporal control of odor, rather than capturing and synthesizing odor itself. If we simply diffused the odor into the atmosphere, it would be difficult to clean it away in a short time. Several olfactory displays that inject the scented air under the nose thro...
The fast contraction, or pinching, of optical vortices in both thermal and Kerr self-defocusing media is investigated by numerical techniques. For the thermal case, heat diffusion across the vortex core is described, and the heretofore unexplained stability of optical-vortex solitons in thermal media is explained. © 2001 Optical Society of America OCIS codes: 190.4420, 190.5940, 190.3270, 160.4...
We show that the dynamical instability of quantum vortices with more than a single unit circulation results from superradiant bound state inside vortex core. then reveal striking behavior system in nonlinear regime. Counter to expectation should produce well-separated vortices, evolves into corotating singularities orbiting within few healing lengths each other, undergoing modulations separatio...
In a Type II superconductor, the vortex core behaves like normal metal. Consequently, single-particle density of states in conventional superconductor remains either flat or (for very clean single crystals) exhibits peak at zero bias due to formation Caroli-de Gennes-Matricon bound state inside core. Here we report an unusual observation from scanning tunneling spectroscopy measurements weakly ...
This paper is devoted to a statistical analysis of the fluctuations of velocity and acceleration produced by a random distribution of point vortices in two-dimensional turbulence. We show that the velocity probability density function PDF behaves in a manner which is intermediate between Gaussian and Levy laws, while the distribution of accelerations is governed by a Cauchy law. Our study accou...
The unstable flow with rotating-stall-like (RS) effects in a rotor-cascade of an axial compressor was numerically investigated. The RS was captured with the reduction in mass flow rate and increasing of exit static pressure with respect to design operating condition of the single rotor. The oscillatory velocity traces during the stall propagation showed that the RS vortices repeat periodically,...
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