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- W2923182813 abstract "The aim of our study is to analyze the impact of insertion holes in the middle of obstacles on the flow around a surface-mounted cube, In order to do this; we studied four configurations of obstacles in a channel with a Reynods number based on obstacle height ReH = 40000. The hexahedral structured meshes were used to solve the fluid dynamics equations .The finite volume method are employed to solve the governing equations using the ANSYS CFX code and the turbulence model k-ω SST. The streamwise velocity profiles, the Time-averaged streamlines, the turbulence kinetic energy and the drag coefficient are presented. The results showed the appearance of a second vortex behind obstacles with hole from diameter D/H=0.2. The turbulence kinetic energy was greater on top of the obstacle, it was more intense for the obstacle without hole, this intensity decreased as the hole diameter increased. The drag coefficient was improved only for the case D/H=0.32" @default.
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- W2923182813 date "2019-09-01" @default.
- W2923182813 modified "2023-09-25" @default.
- W2923182813 title "Influence of insertion of holes in the middle of obstacles on the flow around a surface-mounted cube" @default.
- W2923182813 doi "https://doi.org/10.22061/jcarme.2019.3984.1472" @default.
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