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The three-dimensional turbulent flow in a supercritical pump with complex double-cases based on the integral model combined with the pass-by pipes is computed and simulated by means of a parallel computer and the software FLUENT using the mathematical models (Navier-Stokes equations, RNG k-ε turbulence model and boundary conditions) in Computational Fluid Dynamics (CFD), which aims at improving the...
Based on turbulent model, this paper has established a 3D flow and sediment mathematical model under orthogonal curvilinear system, numerically simulating the free water surface, the flow velocity structure, the sediment content distribution of a 180°sharp curved open channel, as well as the bed deformation effected by complicated flow field of curved channel. Validation and analysis have been made...
The study of maneuverability hydrodynamic of damaged ship in yawing motion has not been found, although maneuverability hydrodynamic of damaged ship is a major and difficult issue. In order to predict damaged ship maneuverability in viscous flows, the continuous equation, the Reynolds-averaged Navier-Stokes (RANS) equation, and the SST k-w turbulence model are chosen to calculate the hydrodynamic...
In this paper, the flow around a single foil has been simulated. Effort has been made to search for better ways for imposing the interface conditions of the multi-mesh system and partial slip condition on the foil wall. Simulated results are compared with the available experimental measurement. The features of present approach of the large eddy simulation for flow around foil is discussed.
Comprehensive knowledge of the heat and mass transfer processes in the melt of induction applications is required to realize efficient metallurgical processes. Experimental and numerical studies of the melt flow in induction furnaces show that the flow pattern, which comprise several vortexes of the mean flow, and the temperature distribution in the melt are significantly influenced by low-frequency...
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