نتایج جستجو برای: turbulent kinetic energy
تعداد نتایج: 760063 فیلتر نتایج به سال:
According to conventional view, sunspots form when coherent magnetic flux tubes intersect the surface. Such tubes would rise from the bottom of the convection zone as a result of an instability. In this study an alternative view is advanced where the field is produced throughout the entire convection zone and sunspots may form from local flux concentrations near the surface. In order to underst...
Massive galaxy clusters (GC) are filled with a hot, turbulent and magnetised intra-cluster medium (ICM). Still forming under the action of gravitational instability they grow in mass by accretion of supersonic flows. These flows partially dissipate into heat through a complex network of large scale shocks1, while residual transonic flows create giant turbulent eddies and cascade2, 3. Turbulence...
Shock-boundary layer interaction (SBLI) is a kind of problem which is frequently met in supersonic engine inlet flow and external flow. A detail study on mechanism of reduction of shock induced flow separation by MVG is carried out by high order implicit large eddy simulation (LES). To generate the fully developed turbulent flow, a series of turbulent profiles are given by previous DNS simulati...
Direct numerical simulations (DNS) and large-eddy simulations (LES) simulations of flow through a periodic channel with a constriction are performed using the dynamic Smagorinsky model at two Reynolds numbers of 2800 and 10595. The LES equations are solved using higher order compact schemes. DNS are performed for the lower Reynolds number case using a fine grid and the data are used to validate...
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