نتایج جستجو برای: double diffusive convection
تعداد نتایج: 277097 فیلتر نتایج به سال:
In this study, the unsteady double-diffusive mixed convection in the one and two-sided lid-driven cavities are studied and compared together using numerical SIMPLE algorithm. Uniform but different temperatures and mass concentrations are assumed at horizontal walls. The used fluid (pure air) was assumed incompressible and Newtonian. The used numerical method is firstly validated against previou...
The diffusive (or semiconvection) regime of double-diffusive convection (DDC) is widespread in the polar oceans, generating ‘‘staircases’’ consisting of high-gradient interfaces of temperature and salinity separated by convectively mixed layers. Using two-dimensional direct numerical simulations, support is provided for a previous theory that rotation can influence DDC heat fluxes when the thic...
Abstract Double-diffusive systems, such as thermosolutal convection, in which the density depends on two components that diffuse at different rates, are prone to both steady and oscillatory instabilities. Such systems can evolve into layered states, components, also density, adopt a “staircase” profile. Turbulent transport is enhanced significantly state. Here we exploit an analogy between magn...
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