نتایج جستجو برای: acoustically driven diffusion
تعداد نتایج: 387176 فیلتر نتایج به سال:
Mixing presents a notoriously difficult problem in small amounts of fluids. Herein, surface acoustic waves provide a convenient technique to generate time-dependent flow patterns. These flow patterns can be optimized in such a way that advected particles are mixed most efficiently in the fluid within a short time compared to the time pure diffusion would take. Investigations are presented for t...
The manipulation of transverse-optical TO -phonon polaritons and the associated terahertz THz light field by means of an ultrasound acoustic wave is proposed and illustrated by calculating the TO-phonon-mediated THz response of acoustically pumped CuCl and TlCl crystals. We show the high-contrast acoustically induced change in the THz reflectivity and multiple THz Bragg replicas, which are asso...
We investigate the mixing properties of an acoustic driven flow in a parallelepipedic cavity with square basis. Relying on nonnormal reflections, beam path is obtained, generating global complex which enables chaotic advection. For moderate power source, region invades whole cavity, illustrating that streaming can be used successfully as nonintrusive tool to mix efficiently.
of the Dissertation Acoustically-Driven Talking Face Animations Using Dynamic Bayesian Networks
The flow-induced vibrations of a single-layer vocal fold model were investigated as a function of vocal fold stiffness, and subglottal and supraglottal acoustic loading. Previously, it was reported that the single-layer vocal fold model failed to vibrate when short, clinically-relevant tracheal tubes were used. Moreover, it was reported that the model had a propensity to be acoustically driven,...
The Stark effect is one of the most efficient mechanisms to manipulate many-body states in nanostructured systems. In mono- and few-layer transition metal dichalcogenides, it has been successfully induced by optical electric field means. Here, we tune emission energies dissociate excitonic MoSe2 monolayers employing 220 MHz in-plane piezoelectric carried surface acoustic waves. We transfer high...
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