نتایج جستجو برای: bubble regime
تعداد نتایج: 90561 فیلتر نتایج به سال:
We present a theoretical and experimental study of the acoustic second-harmonic generation by a single layer of bubbles. This simple system allows us to investigate the subtle interplay between nonlinear effects and multiple scattering. A perturbative model is shown to give an excellent agreement with the experimental measurements, and we demonstrate the existence of an optimal concentration of...
In this study, we extend the three-regime bubble model of Pang et al. (2021) to allow forth regime followed by unit root process after recovery. We provide asymptotic and finite sample justification consistency collapse date estimator in two-regime AR(1) model. The allows us split before consider estimation exuberation recovery separately. have also found that limiting behavior varies depending...
The dynamics of magnetic reconnection (MR) in the high-energy-density (HED) regime, where the plasma inflow is strongly driven and the thermal pressure is larger than the magnetic pressure (β>1), is reexamined theoretically and by particle-in-cell simulations. Interactions of two colliding laser-produced plasma bubbles with self-generated poloidal magnetic fields of, respectively, antiparallel ...
The literature pertinent to various aspects of drop evaporation on a heated surface is reviewed. Both the laser shadowgraphic and direct photographic methods are employed to study thermal stability and flow structures in evaporating drops in all heating regimes. It is revealed that four flow regions exist in stable and unstable type drops at low liquid-film type vaporization regime. As the surf...
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