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- W2136027326 abstract "Because of the ability to reveal characteristics of air flow in detail, the numerical simulation method becomes more important in designing high-speed train parts with better aerodynamic performance, such as nose shape, lower-drag body and so on. Using a CFD code based on the finite volume method and blocking structured hexahedron mesh generated using ICEM CFD software, the present study carried out numerical simulation of air flow around ICE2 high-speed train under crosswind. The SIMPLE algorism was used in solution of N-S equations of three dimension, steady state and incompressible flow of air which possesses constant physical properties. Comparison study of present work with classical experimental data performed by overseas scholar shows that the results of solution method using QSKE turbulence model and MARS scheme is reliable. Thereafter, the grid independence research was performed in two ways, one is to fix the height of the first layer cells around the body but change the overall number of cells, and the other is to fix the overall number of cells but change the height of the first layer cells around the body. It is shown that the mesh with both the proper overall number and the height of the first layer cells can produce better results. The conclusion of present study could be used in further numerical study of high speed train with rather complicated geometry." @default.
- W2136027326 created "2016-06-24" @default.
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- W2136027326 date "2011-04-01" @default.
- W2136027326 modified "2023-10-14" @default.
- W2136027326 title "Research on numerical method of air flow around the high-speed train under crosswind using blocking structured mesh" @default.
- W2136027326 cites W2103647363 @default.
- W2136027326 doi "https://doi.org/10.1109/iceice.2011.5776959" @default.
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