[PDF] Top 20 Numerical simulation of a variable-density mixing-layer

... of variable-density shear flows, the generation-destruction of vorticity by the baroclinic torque may alter the dynamics of the flow ...binary mixing of fluids of different densities or in thermal ... See full document

... self-similar mixing at an enhanced rate could be obtained if random long wavelength perturbations with amplitude  wavelength, which corresponds to a k -3 power ...different density ratios and with ... See full document

... numerical model, while underestimating the maximum vertical velocities at canopy top. There is some indication of a difference in phase between the vertical velocity in the analytical and numerical models ... See full document

... As the Figure 3 showed, because of the free jet of fuel and oxidants, the high pressure area came forth near injection surface and appeared larger changes. In the combustion process, the combustion chamber pressure ... See full document

... absorber layer. In turn, the band gap affects various properties of this layer, such as optical absorption coefficient, electron affinity, and bulk defect concentration ...buffer layer, an optimum ... See full document

... the numerical soil thawing– freezing processes, peatland hydrology and the model of wet- land methane emission with LPJ-DGVM WHyMe, as de- scribed by Wania et ...active layer depths, the soil column in LPJ- ... See full document

... and Simulation fication of the most important parameters which influence the performance of solar cells and also provides a good understanding their operation since com- plete devices can now be computationally ... See full document

... the numerical models are based on different concepts and can be categorized in two approaches as: sharp-interface approach and Variable-density and dispersion ...paper, Variable-density ... See full document

... The CIGS solar cell is one of the promising solar cells. The efficiency of CIGS is up to 23% [2] one of the best efficiency of a thin film. The CIGS solar cell has also many merits. It has a variable band gap ... See full document

... The idea of LES—directly simulating the large eddies while modeling the small eddies—cannot be applied near walls in a straightforward way. Near walls, “large eddies”, implicitly defined by the coarse grid, simply do not ... See full document

... turbulent mixing-layer models by numerical ...in numerical simulations of global oceanic circulation, ...prevent numerical insta- bilities generated by physically unstable ...The ... See full document

... stresses were computed with an FEM: ANSYS program. 13) Two-dimensional axisymmetric model had 46,981 nodes and 15,494 elements by meshing up to element size of 0.1 mm. The type of element used is two-dimensional 8-node ... See full document

... Swirling flows are observed in variety of natural phenomenon such as tornadoes and typhoons, and its importance has been experience in a number of technical applications, such as aeronautics, heat exchanger, spray ... See full document

... The next study to be presented focuses on the influence of the structuration of the freshly printed concrete after being extruded. In Fig. 13a, the vertical surface tractions under the nozzle are plotted along the length ... See full document

... internal layer and bolt: (a) force-time histories; (b) displacement-force ...interface layer including the spiral-wound gasket and the flowmeter in series connection, the total resistance force was offered ... See full document

... in numerical models of the atmosphere is to employ uniform ...provide variable spatial resolution over the simulation domain within a single numerical ...comparable simulation using a ... See full document

... the numerical evolution mixing zone width are given in Figure ...of mixing zone width from the three kinds of random wavelength range is little, and it’s within the error bars of this visual ... See full document

... all simulation cases discussed so far, most oxygen atoms bond with the Si atoms of the first top layer of the substrate after the cluster impact, and only a very small number of O atoms are seen to enter ... See full document

... The reserves and production history matching have been studied. The Petrel geological model has been leaded into Eclipse numerical simulation software. The total number of model grid is 219×218×1= 47742. ... See full document

... MCNP-5 simulation geometry, the mass attenuation coefficients for composite with ratios 20% w of bismuth were calculated at energy between ...software simulation and Matlab for silicon rubber/Bi and ... See full document